{"data":{"filter_options":{"titles":[{"name":"Managing Partner Atlanta Office","value":"Managing Partner Atlanta Office"},{"name":"Partner","value":"Partner"},{"name":"Partner / Head of Pro Bono","value":"Partner / Head of Pro Bono"},{"name":"Partner / Chief Operating Officer","value":"Partner / Chief Operating Officer"},{"name":"Partner / General Counsel","value":"Partner / General Counsel"},{"name":"Partner / Dir. E-Discovery Ops","value":"Partner / Dir. E-Discovery Ops"},{"name":"Partner / Chairman, Saudi Arabia Practice","value":"Partner / Chairman, Saudi Arabia Practice"},{"name":"K\u0026S Talent Partner","value":"K\u0026S Talent Partner"},{"name":"Partner / Chief Human Resources Officer","value":"Partner / Chief Human Resources Officer"},{"name":"Chairman","value":"Chairman"},{"name":"Senior Counsel","value":"Senior Counsel"},{"name":"Associate Director, E-Discovery Operations","value":"Associate Director, E-Discovery Operations"},{"name":"Counsel","value":"Counsel"},{"name":"Senior Associate","value":"Senior Associate"},{"name":"Associate","value":"Associate"},{"name":"Senior Attorney","value":"Senior Attorney"},{"name":"Senior Lawyer","value":"Senior Lawyer"},{"name":"Attorney","value":"Attorney"},{"name":"Senior Counsel and Policy Advisor","value":"Senior Counsel and Policy Advisor"},{"name":"Managing Director - Capital Solutions","value":"Managing Director - Capital Solutions"},{"name":"Senior Government Relations Advisor","value":"Senior Government Relations Advisor"},{"name":"Associate General Counsel","value":"Associate General Counsel"},{"name":"Senior Advisor","value":"Senior Advisor"},{"name":"Patent Agent","value":"Patent Agent"},{"name":"Consultant","value":"Consultant"},{"name":"Government Relations Advisor","value":"Government Relations Advisor"},{"name":"Chief of Lateral Partner Recruiting \u0026 Integration","value":"Chief of Lateral Partner Recruiting \u0026 Integration"},{"name":"Chief Financial Officer","value":"Chief Financial Officer"},{"name":"Chief Information Officer","value":"Chief Information Officer"},{"name":"Chief Revenue Officer","value":"Chief Revenue Officer"},{"name":"Chief Recruiting Officer","value":"Chief Recruiting Officer"},{"name":"Chief Lawyer Talent Development Officer","value":"Chief Lawyer Talent Development Officer"},{"name":"Chief Marketing Officer","value":"Chief Marketing Officer"},{"name":"Tax Consultant","value":"Tax Consultant"},{"name":"Director of Community Affairs","value":"Director of Community Affairs"},{"name":"Director of Facilities \u0026 Admin Operations","value":"Director of Facilities \u0026 Admin Operations"},{"name":"Senior Office Manager","value":"Senior Office Manager"},{"name":"Director of Operations","value":"Director of Operations"},{"name":"Pro Bono Deputy","value":"Pro Bono Deputy"},{"name":"Director of Office Operations","value":"Director of Office Operations"},{"name":"Director of Operations Europe","value":"Director of Operations Europe"},{"name":"Law Clerk","value":"Law Clerk"},{"name":"Deputy General Counsel","value":"Deputy General Counsel"}],"schools":[{"name":"(Commercial Law), in front of Monash University, Australia","value":3045},{"name":"Aberystwyth University","value":3004},{"name":"Albany Law School","value":2118},{"name":"American University Washington College of Law","value":3042},{"name":"American University, Washington College of Law","value":3024},{"name":"Appalachian School of Law","value":2891},{"name":"Ateneo de Manila University","value":2914},{"name":"Ave Maria School of Law","value":2892},{"name":"Baylor University School of Law","value":181},{"name":"Benjamin N. Cardozo School of Law","value":2619},{"name":"Binghamton University","value":3002},{"name":"Boston College Law School","value":245},{"name":"Boston University School of Law","value":247},{"name":"BPP Law School Leeds","value":2642},{"name":"BPP Law School London","value":2782},{"name":"BPP University","value":2984},{"name":"Brooklyn Law School","value":2705},{"name":"Cairo University, Law School","value":2962},{"name":"California Western School of Law","value":315},{"name":"Capital University Law School","value":327},{"name":"Case Western Reserve University School of Law","value":345},{"name":"Cecil C. Humphreys School of Law","value":2235},{"name":"Chapman University School of Law","value":377},{"name":"Charleston School of Law","value":2910},{"name":"City Law School, London","value":2998},{"name":"City Law School","value":2857},{"name":"Clark University","value":3006},{"name":"Cleveland-Marshall College of Law","value":426},{"name":"Columbia University School of International and Public Affairs","value":3008},{"name":"Columbia University School of Law","value":485},{"name":"Columbia University","value":3126},{"name":"Columbus School of Law, Catholic University of America","value":3010},{"name":"Columbus School of Law","value":350},{"name":"Concord Law School of Kaplan University","value":1026},{"name":"Cornell Law School","value":512},{"name":"Creighton University School of Law","value":518},{"name":"Creighton University","value":3025},{"name":"Cumberland School of Law","value":1759},{"name":"CUNY School of Law","value":2893},{"name":"David A. Clarke School of Law","value":2399},{"name":"Deakin University School of Law","value":2907},{"name":"DePaul University College of Law","value":565},{"name":"DePaul University College of Law","value":3060},{"name":"Dickinson School of Law","value":2719},{"name":"Drake University Law School","value":609},{"name":"Duke University School of Law","value":613},{"name":"Duquesne University School of Law","value":614},{"name":"Dwayne O. Andreas School of Law","value":173},{"name":"Edinburgh Law School","value":3160},{"name":"Emory University School of Law","value":659},{"name":"ESADE Business and Law School – Universidad Ramon Llull","value":3215},{"name":"Fachseminare von Fürstenberg","value":2918},{"name":"Faculté Libre de Droit, Université Catholique de Lille","value":3055},{"name":"Faculty of Law, University of Zagreb","value":2983},{"name":"Faculty of Law","value":2944},{"name":"Faculty of Law","value":3039},{"name":"Federal University of Rio de Janeiro","value":3022},{"name":"Federal University of Rio Grande do Sul School of Law (Brazil)","value":3062},{"name":"Florida A\u0026M University College of Law","value":699},{"name":"Florida Coastal School of Law","value":2894},{"name":"Florida International College of Law","value":707},{"name":"Florida State University College of Law","value":720},{"name":"Fordham University School of Law","value":722},{"name":"Franklin Pierce Law Center","value":734},{"name":"Friedrich-Schiller-Universität Jena","value":3015},{"name":"George Mason University School of Law","value":752},{"name":"George Washington University Law School","value":753},{"name":"Georgetown University Law Center","value":755},{"name":"Georgia State University College of Law","value":761},{"name":"Ghent Law School","value":2793},{"name":"Golden Gate University School of Law","value":770},{"name":"Gonzaga University School of Law","value":772},{"name":"Graduate Institute of International and Development Studies, Geneva","value":2997},{"name":"Hamline University School of Law","value":811},{"name":"Harvard Law School","value":824},{"name":"Hebrew University of Jerusalem Faculty of Law","value":2994},{"name":"Hofstra University School of Law","value":858},{"name":"Howard University School of Law","value":872},{"name":"Huazhong University of Science and Technology","value":3016},{"name":"Humboldt University of Berlin","value":3012},{"name":"Indiana University School of Law","value":2711},{"name":"Indiana University School of Law","value":890},{"name":"International Association of Privacy Professionals","value":3009},{"name":"J. Reuben Clark Law School","value":262},{"name":"Jacob D. Fuchsberg Law Center","value":2084},{"name":"James Cook University of North Queensland","value":3034},{"name":"Jean Moulin University Lyon 3, France","value":2938},{"name":"Johns Hopkins Bloomberg School of Public Health","value":2992},{"name":"Justus-Liebig-Universität Gießen Rechtswissenschaft (Germany)","value":3063},{"name":"Kansas City School of Law","value":2247},{"name":"Keio University","value":2968},{"name":"Kent College of Law","value":883},{"name":"Kline School of Law","value":611},{"name":"KU Leuven","value":3007},{"name":"Levin College of Law","value":2189},{"name":"Lewis and Clark Law School","value":1089},{"name":"Liberty University School of Law","value":1094},{"name":"Lincoln College of Law","value":2253},{"name":"LL.M. in International Crime and Justice UNICRI","value":2937},{"name":"Loyola Law School","value":2895},{"name":"Loyola University Chicago School of Law","value":1135},{"name":"Loyola University New Orleans College of Law","value":1136},{"name":"Marquette University Law School","value":1176},{"name":"McGeorge School of Law","value":2402},{"name":"McGill University","value":2659},{"name":"Melbourne Law School","value":2899},{"name":"Mercer University Walter F. George School of Law","value":1221},{"name":"Mexico Autonomous Institute of Technology","value":2996},{"name":"Michael E. Moritz College of Law","value":2728},{"name":"Michigan State University College of Law","value":1245},{"name":"Mississippi College School of Law","value":1285},{"name":"Moscow State University","value":2815},{"name":"National and Kapodistrian University of Athens","value":3032},{"name":"National Law University Jodhpur","value":3020},{"name":"National University of Singapore, Faculty of Law","value":2662},{"name":"New England School of Law","value":2886},{"name":"New York Law School","value":1403},{"name":"New York University School of Law","value":1406},{"name":"Norman Adrian Wiggins School of Law","value":323},{"name":"North Carolina Central University School of Law","value":1417},{"name":"Northeastern University School of Law","value":1430},{"name":"Northern Illinois University College of Law","value":1432},{"name":"Northwestern Pritzker School of Law","value":1451},{"name":"Notre Dame Law School","value":2278},{"name":"Ohio Northern University Law School","value":3036},{"name":"Oklahoma City University School of Law","value":1487},{"name":"Osgoode Hall Law School","value":3124},{"name":"Pace University School of Law","value":1516},{"name":"Panteion University","value":3033},{"name":"Paul M. Hebert Law Center","value":2713},{"name":"Pennsylvania State University, Dickinson School of Law","value":1562},{"name":"Pepperdine University School of Law","value":1570},{"name":"Pettit College of Law","value":1473},{"name":"Pontificia Universidad Catolica de Chile","value":3203},{"name":"Pontificia Universidad Catolica del Peru","value":3011},{"name":"Pontificia Universidad Javeriana","value":3013},{"name":"Pontificia Universidade Catolica de Sao Paulo","value":3095},{"name":"Prince Sultan University College of Law","value":3167},{"name":"Queens College, Cambridge","value":3003},{"name":"Quinnipiac University School of Law","value":1626},{"name":"Ralph R. Papitto School of Law","value":1686},{"name":"Regent University School of Law","value":1649},{"name":"Rice University","value":3043},{"name":"Ruprecht-Karls-Universität Heidelberg","value":3049},{"name":"Rutgers University School of Law-Newark","value":1699},{"name":"Rutgers University School of Law","value":1697},{"name":"S.J. Quinney College of Law","value":2408},{"name":"Saint Louis University School of Law","value":1732},{"name":"Salmon P. Chase College of Law","value":1433},{"name":"Sandra Day O'Connor College of Law","value":103},{"name":"Santa Clara University School of Law","value":1771},{"name":"Seattle University School of Law","value":1787},{"name":"Seton Hall University School of Law","value":1790},{"name":"Shepard Broad Law Center","value":1460},{"name":"South Texas College of Law","value":2721},{"name":"Southern Illinois University School of Law","value":1849},{"name":"Southern Methodist University Dedman School of Law","value":1852},{"name":"Southern University Law Center","value":1857},{"name":"Southwestern Law School","value":1876},{"name":"St. John's University School of Law","value":2724},{"name":"St. Mary's University School of Law","value":1896},{"name":"St. Thomas University School of Law","value":1746},{"name":"Stanford Law School","value":1904},{"name":"Stetson University College of Law","value":1910},{"name":"Sturm College of Law","value":2184},{"name":"Suffolk University Law School","value":1921},{"name":"Syracuse University College of Law","value":1956},{"name":"Temple University Beasley School of Law","value":1974},{"name":"Texas A\u0026M School of Law","value":1980},{"name":"Texas Tech University School of Law","value":1994},{"name":"Texas Wesleyan University School of Law","value":1996},{"name":"The College of Law Australia","value":3091},{"name":"The College of Law, London","value":2935},{"name":"The John Marshall Law School","value":2034},{"name":"The Judge Advocate General's Legal Center and School","value":2896},{"name":"The Ohio State University Moritz College of Law","value":2990},{"name":"The University of Akron School of Law","value":2143},{"name":"The University of Alabama School of Law","value":2045},{"name":"The University of Birmingham, U.K.","value":2796},{"name":"The University of Iowa College of Law","value":2206},{"name":"The University of Texas School of Law","value":2055},{"name":"The University of Tulsa College of Law","value":2407},{"name":"Thomas Jefferson School of Law","value":685},{"name":"Thomas M. Cooley Law School","value":2729},{"name":"Thurgood Marshall School of Law","value":1992},{"name":"Tianjin University of Commerce","value":2995},{"name":"Tulane University Law School","value":2113},{"name":"UC Davis School of Law","value":2160},{"name":"UCLA School of Law","value":2162},{"name":"Universidad Católica de Honduras","value":2916},{"name":"Universidad Francisco Marroquin","value":3090},{"name":"Universidad Panamericana","value":2904},{"name":"Universidad Torcuato di Tella","value":3035},{"name":"Universidade de São Paulo, Faculdade de Direito","value":3028},{"name":"Universidade Presbiteriana Mackenzie","value":2977},{"name":"Università Commerciale Luigi Bocconi","value":3135},{"name":"University at Buffalo Law School","value":1928},{"name":"University College Dublin Law School","value":2900},{"name":"University of Alberta Faculty of Law","value":3088},{"name":"University of Amsterdam","value":2980},{"name":"University of Arizona, James E. Rogers College of Law","value":2149},{"name":"University of Arkansas School of Law","value":2154},{"name":"University of Baltimore School of Law","value":2156},{"name":"University of California College of the Law","value":3196},{"name":"University of California Hastings College of Law","value":2158},{"name":"University of California Irvine School of Law","value":2161},{"name":"University of California, Berkeley, School of Law","value":2159},{"name":"University of California, Davis","value":3019},{"name":"University of Cambridge, U.K","value":2991},{"name":"University of Canterbury","value":2981},{"name":"University of Central Florida","value":3027},{"name":"University of Chester Law School","value":3005},{"name":"University of Chicago Law School","value":2174},{"name":"University of Chicago","value":3038},{"name":"University of Cincinnati College of Law","value":2175},{"name":"University of Colorado School of Law","value":2177},{"name":"University of Connecticut School of Law","value":2180},{"name":"University of Dayton School of Law","value":2182},{"name":"University of Detroit Mercy School of Law","value":2185},{"name":"University of East Anglia","value":3000},{"name":"University of Florida, Levin College of Law","value":3188},{"name":"University of Georgia School of Law","value":2190},{"name":"University of Houston Law Center","value":2197},{"name":"University of Hull","value":3040},{"name":"University of Idaho College of Law","value":2201},{"name":"University of Illinois College of Law","value":2204},{"name":"University of Kansas School of Law","value":2208},{"name":"University of Kentucky College of Law","value":2210},{"name":"University of La Verne College of Law","value":2211},{"name":"University of Law, London","value":2999},{"name":"University of Lethbridge","value":3030},{"name":"University of Louisville Brandeis School of Law","value":2214},{"name":"University of Maine School of Law","value":2391},{"name":"University of Maryland School of Law","value":2224},{"name":"University of Miami School of Law","value":2236},{"name":"University of Michigan Law School","value":2237},{"name":"University of Minnesota Law School","value":2243},{"name":"University of Mississippi School of Law","value":2244},{"name":"University of Missouri School of Law","value":2246},{"name":"University of Montana School of Law","value":2048},{"name":"University of Nebraska College of Law","value":2744},{"name":"University of New Mexico School of Law","value":2262},{"name":"University of North Carolina School of Law","value":2266},{"name":"University of North Dakota School of Law","value":2271},{"name":"University of Oklahoma Law Center","value":2747},{"name":"University of Oregon School of Law","value":2281},{"name":"University of Pennsylvania Law School","value":2282},{"name":"University of Pittsburgh School of Law","value":2354},{"name":"University of Richmond School of Law","value":2370},{"name":"University of San Diego School of Law","value":2377},{"name":"University of San Francisco School of Law","value":2378},{"name":"University of South Carolina School of Law","value":2750},{"name":"University of South Dakota School of Law","value":2387},{"name":"University of Southern California Gould School of Law","value":3051},{"name":"University of St. Thomas School of Law","value":2751},{"name":"University of Sydney Law School","value":3031},{"name":"University of Tennessee College of Law","value":2051},{"name":"University of the West of England, Bristol","value":3001},{"name":"University of Toledo College of Law","value":2406},{"name":"University of Toronto","value":2912},{"name":"University of Utah","value":3026},{"name":"University of Virginia School of Law","value":2410},{"name":"University of Washington School of Law","value":2412},{"name":"University of Wisconsin Law School","value":2419},{"name":"University of Wyoming College of Law","value":2429},{"name":"University of Zürich","value":3037},{"name":"University Paris Dauphine","value":2976},{"name":"University Paris II Assas","value":2975},{"name":"University Paris II Assas","value":3052},{"name":"USC Gould School of Law","value":2389},{"name":"Utrecht University","value":3085},{"name":"Valparaiso University School of Law","value":2441},{"name":"Vanderbilt University School of Law","value":2442},{"name":"Vermont Law School","value":2451},{"name":"Villanova University School of Law","value":2454},{"name":"Wake Forest University School of Law","value":2471},{"name":"Washburn University School of Law","value":2482},{"name":"Washington and Lee University School of Law","value":2484},{"name":"Washington College of Law","value":61},{"name":"Washington University in St. Louis School of Law","value":2489},{"name":"Wayne State University Law School","value":2493},{"name":"West Virginia University College of Law","value":2517},{"name":"Western New England College School of Law","value":2528},{"name":"Western State College of Law","value":2897},{"name":"Wharton School of Business","value":3044},{"name":"Whittier Law School","value":2564},{"name":"Widener University Delaware Law School","value":2569},{"name":"Willamette University College of Law","value":2573},{"name":"William \u0026 Mary Law School","value":462},{"name":"William H. Bowen School of Law","value":2150},{"name":"William Mitchell College of Law","value":2758},{"name":"William S. Boyd School of Law","value":2256},{"name":"William S. Richardson School of Law","value":2195},{"name":"Wilmington University","value":2993},{"name":"Yale Law School","value":2605}],"offices":[{"name":"Abu Dhabi","value":13},{"name":"Atlanta","value":1},{"name":"Austin","value":12},{"name":"Brussels","value":23},{"name":"Charlotte","value":8},{"name":"Chicago","value":21},{"name":"Dallas","value":28},{"name":"Denver","value":22},{"name":"Dubai","value":6},{"name":"Frankfurt","value":9},{"name":"Geneva","value":15},{"name":"Houston","value":4},{"name":"London","value":5},{"name":"Los Angeles","value":19},{"name":"Miami","value":25},{"name":"New York","value":3},{"name":"Northern Virginia","value":24},{"name":"Paris","value":14},{"name":"Riyadh","value":27},{"name":"Sacramento","value":20},{"name":"San Francisco","value":10},{"name":"Silicon Valley","value":11},{"name":"Singapore","value":16},{"name":"Sydney","value":26},{"name":"Tokyo","value":18},{"name":"Washington, D.C.","value":2}],"capabilities":[{"name":"Corporate, Finance and Investments","value":"cg-1"},{"name":null,"value":72},{"name":null,"value":26},{"name":null,"value":40},{"name":null,"value":27},{"name":null,"value":80},{"name":null,"value":28},{"name":null,"value":35},{"name":null,"value":10},{"name":null,"value":134},{"name":null,"value":121},{"name":null,"value":78},{"name":null,"value":29},{"name":null,"value":32},{"name":null,"value":31},{"name":null,"value":33},{"name":null,"value":126},{"name":"Immobilier","value":36},{"name":null,"value":82},{"name":null,"value":37},{"name":null,"value":115},{"name":"Government Matters","value":"cg-2"},{"name":null,"value":1},{"name":null,"value":6},{"name":null,"value":71},{"name":null,"value":21},{"name":null,"value":23},{"name":null,"value":116},{"name":null,"value":24},{"name":null,"value":135},{"name":null,"value":25},{"name":null,"value":110},{"name":null,"value":20},{"name":null,"value":11},{"name":"Trial and Global Disputes","value":"cg-3"},{"name":null,"value":129},{"name":null,"value":2},{"name":null,"value":38},{"name":null,"value":3},{"name":null,"value":5},{"name":null,"value":19},{"name":null,"value":7},{"name":null,"value":4},{"name":null,"value":136},{"name":null,"value":13},{"name":null,"value":14},{"name":null,"value":15},{"name":null,"value":17},{"name":null,"value":18},{"name":null,"value":16},{"name":"Industries / Issues","value":"cg-4"},{"name":null,"value":133},{"name":null,"value":106},{"name":null,"value":124},{"name":null,"value":111},{"name":null,"value":132},{"name":null,"value":131},{"name":null,"value":102},{"name":null,"value":125},{"name":null,"value":127},{"name":null,"value":107},{"name":null,"value":112},{"name":null,"value":105},{"name":null,"value":109},{"name":null,"value":103},{"name":null,"value":128},{"name":null,"value":123},{"name":null,"value":118}]},"title_id":null,"school_id":null,"office_id":"14","capability_id":null,"extra_filter_id":null,"extra_filter_type":null,"q":null,"starts_with":"L","per_page":12,"people":[{"id":444441,"version":1,"owner_type":"Person","owner_id":5244,"payload":{"bio":"\u003cp\u003eMarc-Olivier Langlois is a partner in our Paris office. He regularly represents the world\u0026rsquo;s largest companies in complex international arbitrations arising out of infrastructure and energy projects, international investments, mergers \u0026amp; acquisitions, pharmaceutical licensing and distribution agreements, defense and technology disputes, and compliance issues.\u003c/p\u003e\n\u003cp\u003eLegal 500 has described Marc-Olivier as \u0026ldquo;outstanding,\u0026rdquo; noting his \u0026ldquo;excellent drafting and pleading skills\u0026rdquo; and ranking him \u0026ldquo;among the \u0026lsquo;few civil and common law lawyers able to cross-examine witnesses and experts\u0026rsquo;.\u0026rdquo;[[--readmore--]]\u003c/p\u003e\n\u003cp\u003eMarc-Olivier has twenty years\u0026rsquo; experience representing international companies and individuals in commercial and investment treaty arbitrations brought under the ICC, LCIA, AAA/ICDR, SCC, ICSID, and UNCITRAL Rules.\u0026nbsp;\u003c/p\u003e\n\u003cp\u003eMarc-Olivier specializes in complex disputes arising out of international energy and infrastructure projects.\u0026nbsp; He eschews a one-size-fits-all approach to dispute resolution, preferring to work closely with clients\u0026rsquo; internal teams and outside experts to develop tailor-made strategies for efficiently resolving specific disputes. \u0026nbsp;\u0026nbsp;Clients value his ability to simplify complicated technical issues and craft winning legal arguments that take into account their commercial priorities and risks.\u0026nbsp; Marc-Olivier regularly acts for clients in the electrical power generation, oil and gas, nuclear, and renewables industries.\u003c/p\u003e\n\u003cp\u003eMarc-Olivier also acts in disputes arising out of international investments, mergers \u0026amp; acquisitions, pharmaceutical licensing and distribution agreements, defense and technology disputes, and compliance issues.\u0026nbsp; Among other things, he was part of a team of attorneys that obtained the first international awards finding the Russian Federation responsible for expropriating assets belonging to Yukos Oil Company and to Ukrainian investors following the Russian Federation\u0026rsquo;s takeover of Crimea.\u003c/p\u003e\n\u003cp\u003eA U.S.-trained lawyer and member of the Bars of the District of Columbia, Virginia, and Paris, Marc-Olivier practiced international arbitration for many years at another international law firm in Paris, where he was the co-head of its international construction disputes practice and the managing partner of its Paris office.\u0026nbsp;\u003c/p\u003e\n\u003cp\u003eMarc-Olivier was raised and educated in the United States and France. He speaks English and French fluently.\u003c/p\u003e","slug":"marc-olivier-langlois","email":"mlanglois@kslaw.com","phone":null,"matters":["\u003cp\u003e\u003cstrong\u003eConstruction\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eRepresenting a Spanish infrastructure contractor in an ICSID arbitration against Kuwait seeking more than USD 300 million in compensation for delays and disruption occurring during the construction of an elevated roadway in Kuwait City\u003c/p\u003e","\u003cp\u003eAssisting an Asian EPC contractor in preparing more than USD 270 million worth of contractual claims arising out of the construction of a power plant in Algeria\u003c/p\u003e","\u003cp\u003eRepresented a multinational supplier of turbines in an AFSA arbitration with a South African EPC contractor arising out of a power plant owner\u0026rsquo;s exercise of its step-in rights in respect of the subcontract between the supplier and the EPC contractor, with claims valued at USD 20 million\u003c/p\u003e","\u003cp\u003eRepresented a U.S.-based contractor in relation to arbitration claims arising out of the design and installation of undersea pipelines between oil platforms in the Gulf of Mexico\u003c/p\u003e","\u003cp\u003eRepresented a multinational EPC contractor in an UNCITRAL arbitration arising out of the commissioning of a power plant in Eastern Europe and the related termination of an EPC Contract, with claims valued in excess of 200 million euro\u003c/p\u003e","\u003cp\u003eAssisted a multinational contractor in preparing more than 100 million euro in contractual claims arising out of the construction of a third-generation nuclear reactor in Western Europe\u003c/p\u003e","\u003cp\u003eDefended a Eurasian state petroleum company in an ICC arbitration arising out of the design and installation of an underground natural gas storage facility\u003c/p\u003e","\u003cp\u003eDefended to a multinational EPC contractor in an ICC arbitration with a subcontractor over the construction of a power plant in Mexico\u003c/p\u003e","\u003cp\u003e\u003cstrong\u003eEnergy\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eActing for a multinational petroleum company in a nine-figure ICC arbitration arising out an Eastern European state's breach of contractual stabilisation provisions in an offshore gas concession contract\u003c/p\u003e","\u003cp\u003eRepresenting an oil \u0026amp; gas company in an ad hoc UNCITRAL arbitration against an Asian sovereign state relating to the company\u0026rsquo;s right to cost recovery under a PSC\u003c/p\u003e","\u003cp\u003eAdvising one of the world's largest oil and gas service providers in litigation over alleged defects in well completion equipment, with claims valued in excess of 60 million euro\u003c/p\u003e","\u003cp\u003eObtained a complete victory for an international turbine service provider in an SCC arbitration brought by an Russian power plant operator seeking almost 160 million euro in compensation for alleged breaches of service agreements\u003c/p\u003e","\u003cp\u003eSuccessfully defended a multinational supplier of turbines in an SCC arbitration brought by a Russian power plant developer arising out of the supplier\u0026rsquo;s exercise of its termination rights and retention of a contractual termination fee, with claims valued at USD 20 million\u003c/p\u003e","\u003cp\u003eDefended a UK-based heavy equipment supplier in an ICC mediation and arbitration arising out of alleged defects in electrical equipment installed in a fleet of modular power plants\u003c/p\u003e","\u003cp\u003eRepresented a UK-based industrial company in an AAA arbitration arising out of the installation of aluminum recycling equipment in a U.S. recycling facility\u003c/p\u003e","\u003cp\u003e\u003cstrong\u003eInvestment\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eRepresenting an international airline in an ICSID arbitration against Venezuela arising out of Venezuela\u0026rsquo;s failure to permit the repatriation of the airline's locally generated profits\u003c/p\u003e","\u003cp\u003eRepresenting European and Asian investors in multiple ICSID arbitrations against Romania under the Energy Charter Treaty arising out of changes to Romania\u0026rsquo;s \u0026ldquo;green certificate\u0026rdquo; incentive program enacted to stimulate investment in the renewable energy industry\u003c/p\u003e","\u003cp\u003eRepresented Ukrainian investors in five arbitrations against the Russian Federation under the Russia-Ukraine BIT arising out of measures carried out by the Russian Federation in connection with its annexation of Crimea\u003c/p\u003e","\u003cp\u003eRepresented Rosinvestco UK Ltd., a UK investment fund, in an arbitration against the Russian Federation under the UK-Russia BIT arising out of Russia\u0026rsquo;s expropriation of Yukos assets\u003c/p\u003e","\u003cp\u003e\u003cstrong\u003eMergers and Acquisitions/Joint Ventures\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eRepresented a multinational manufacturer of steam turbines in an UNCITRAL arbitration against a joint venture partner over the misappropriation of technology and mismanagement of an Indian joint venture\u003c/p\u003e","\u003cp\u003eRepresented a French-based multinational in an ICC arbitration arising out of the sale and valuation of an industrial business\u003c/p\u003e","\u003cp\u003e\u003cstrong\u003eLicensing, Agency, and Distributorship\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eRepresented a European pharmaceutical company in an ICC arbitration over licensing rights for a Brazilian trademark and pharmaceutical product\u003c/p\u003e","\u003cp\u003eDefended a European pharmaceutical company in an ICC arbitration arising out of the termination of an agency agreement for the promotion of pharmaceutical products in North Africa\u003c/p\u003e","\u003cp\u003e\u003cstrong\u003eDefense/Information Technology\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eDefended a U.S. defense contractor in an ICC arbitration against a European defense contractor arising out of alleged defects in equipment furnished for installation in missiles\u003c/p\u003e","\u003cp\u003eRepresented a French-based consulting company in an ICC arbitration against an Indian IT company for breach of contract\u003c/p\u003e","\u003cp\u003e\u003cstrong\u003eCompliance\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eDefended an international energy services supply contractor in an LCIA arbitration arising out of the non-payment of consultant commissions due to compliance concerns\u003c/p\u003e"],"taggings":{"tags":[],"meta_tags":[]},"expertise":[{"id":74,"guid":"74.capabilities","index":0,"source":"capabilities"},{"id":14,"guid":"14.capabilities","index":1,"source":"capabilities"},{"id":4,"guid":"4.capabilities","index":2,"source":"capabilities"},{"id":102,"guid":"102.capabilities","index":3,"source":"capabilities"},{"id":1157,"guid":"1157.smart_tags","index":4,"source":"smartTags"},{"id":128,"guid":"128.capabilities","index":5,"source":"capabilities"}],"is_active":true,"last_name":"Langlois","nick_name":"Marc-Olivier","clerkships":[{"name":"Law Clerk, the Honorable James H. Michael, Jr., Senior U.S. District Judge, U.S. District Court for the Western District of Virginia","years_held":"1996 - 1997"}],"first_name":"Marc-Olivier","title_rank":9999,"updated_by":202,"law_schools":[{"id":462,"meta":{"degree":"J.D.","honors":"","is_law_school":"1","graduation_date":"1996-01-01 00:00:00"},"order":2,"pin_order":null,"pin_expiration":null}],"middle_name":" ","name_suffix":"","recognitions":[{"title":"Recognized for international arbitration","detail":"Chambers Global and Chambers France, 2024-2025"},{"title":"Recognized as one of the world's leading international arbitration practitioners","detail":"Lexology Index France, 2025"},{"title":"“[P]rovides very reliable advice on the litigation strategy and has pretty exceptional drafting skills”","detail":"Chambers Global, 2024"},{"title":"Recommended for International Arbitration every year since 2010 ","detail":"Legal 500"},{"title":"“‘Outstanding’ . . . ranks among the ‘few civil and common law lawyers able to cross-examine witnesses and experts’”","detail":"Legal 500 EMEA"},{"title":"“[K]nows the clients very well and also has institutional knowledge of our work”","detail":"Chambers Global 2024"},{"title":"“Excellent drafting and pleading skills” ","detail":"Legal 500 EMEA"},{"title":"“[V]ery good at understanding technical details and at working with experts to come up with convincing arguments” ","detail":"Legal 500 EMEA"},{"title":"Repeatedly recognized in Best Lawyers in France for International Arbitration and Construction Law ","detail":"Best Lawyers in France, 2023 - 2026"},{"title":"Named to the 2023 Lawdragon 500 Leading Global Litigators Guide ","detail":"Lawdragon, 2023"}],"linked_in_url":null,"seodescription":null,"primary_title_id":15,"translated_fields":{"en":{"bio":"\u003cp\u003eMarc-Olivier Langlois is a partner in our Paris office. He regularly represents the world\u0026rsquo;s largest companies in complex international arbitrations arising out of infrastructure and energy projects, international investments, mergers \u0026amp; acquisitions, pharmaceutical licensing and distribution agreements, defense and technology disputes, and compliance issues.\u003c/p\u003e\n\u003cp\u003eLegal 500 has described Marc-Olivier as \u0026ldquo;outstanding,\u0026rdquo; noting his \u0026ldquo;excellent drafting and pleading skills\u0026rdquo; and ranking him \u0026ldquo;among the \u0026lsquo;few civil and common law lawyers able to cross-examine witnesses and experts\u0026rsquo;.\u0026rdquo;[[--readmore--]]\u003c/p\u003e\n\u003cp\u003eMarc-Olivier has twenty years\u0026rsquo; experience representing international companies and individuals in commercial and investment treaty arbitrations brought under the ICC, LCIA, AAA/ICDR, SCC, ICSID, and UNCITRAL Rules.\u0026nbsp;\u003c/p\u003e\n\u003cp\u003eMarc-Olivier specializes in complex disputes arising out of international energy and infrastructure projects.\u0026nbsp; He eschews a one-size-fits-all approach to dispute resolution, preferring to work closely with clients\u0026rsquo; internal teams and outside experts to develop tailor-made strategies for efficiently resolving specific disputes. \u0026nbsp;\u0026nbsp;Clients value his ability to simplify complicated technical issues and craft winning legal arguments that take into account their commercial priorities and risks.\u0026nbsp; Marc-Olivier regularly acts for clients in the electrical power generation, oil and gas, nuclear, and renewables industries.\u003c/p\u003e\n\u003cp\u003eMarc-Olivier also acts in disputes arising out of international investments, mergers \u0026amp; acquisitions, pharmaceutical licensing and distribution agreements, defense and technology disputes, and compliance issues.\u0026nbsp; Among other things, he was part of a team of attorneys that obtained the first international awards finding the Russian Federation responsible for expropriating assets belonging to Yukos Oil Company and to Ukrainian investors following the Russian Federation\u0026rsquo;s takeover of Crimea.\u003c/p\u003e\n\u003cp\u003eA U.S.-trained lawyer and member of the Bars of the District of Columbia, Virginia, and Paris, Marc-Olivier practiced international arbitration for many years at another international law firm in Paris, where he was the co-head of its international construction disputes practice and the managing partner of its Paris office.\u0026nbsp;\u003c/p\u003e\n\u003cp\u003eMarc-Olivier was raised and educated in the United States and France. He speaks English and French fluently.\u003c/p\u003e","matters":["\u003cp\u003e\u003cstrong\u003eConstruction\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eRepresenting a Spanish infrastructure contractor in an ICSID arbitration against Kuwait seeking more than USD 300 million in compensation for delays and disruption occurring during the construction of an elevated roadway in Kuwait City\u003c/p\u003e","\u003cp\u003eAssisting an Asian EPC contractor in preparing more than USD 270 million worth of contractual claims arising out of the construction of a power plant in Algeria\u003c/p\u003e","\u003cp\u003eRepresented a multinational supplier of turbines in an AFSA arbitration with a South African EPC contractor arising out of a power plant owner\u0026rsquo;s exercise of its step-in rights in respect of the subcontract between the supplier and the EPC contractor, with claims valued at USD 20 million\u003c/p\u003e","\u003cp\u003eRepresented a U.S.-based contractor in relation to arbitration claims arising out of the design and installation of undersea pipelines between oil platforms in the Gulf of Mexico\u003c/p\u003e","\u003cp\u003eRepresented a multinational EPC contractor in an UNCITRAL arbitration arising out of the commissioning of a power plant in Eastern Europe and the related termination of an EPC Contract, with claims valued in excess of 200 million euro\u003c/p\u003e","\u003cp\u003eAssisted a multinational contractor in preparing more than 100 million euro in contractual claims arising out of the construction of a third-generation nuclear reactor in Western Europe\u003c/p\u003e","\u003cp\u003eDefended a Eurasian state petroleum company in an ICC arbitration arising out of the design and installation of an underground natural gas storage facility\u003c/p\u003e","\u003cp\u003eDefended to a multinational EPC contractor in an ICC arbitration with a subcontractor over the construction of a power plant in Mexico\u003c/p\u003e","\u003cp\u003e\u003cstrong\u003eEnergy\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eActing for a multinational petroleum company in a nine-figure ICC arbitration arising out an Eastern European state's breach of contractual stabilisation provisions in an offshore gas concession contract\u003c/p\u003e","\u003cp\u003eRepresenting an oil \u0026amp; gas company in an ad hoc UNCITRAL arbitration against an Asian sovereign state relating to the company\u0026rsquo;s right to cost recovery under a PSC\u003c/p\u003e","\u003cp\u003eAdvising one of the world's largest oil and gas service providers in litigation over alleged defects in well completion equipment, with claims valued in excess of 60 million euro\u003c/p\u003e","\u003cp\u003eObtained a complete victory for an international turbine service provider in an SCC arbitration brought by an Russian power plant operator seeking almost 160 million euro in compensation for alleged breaches of service agreements\u003c/p\u003e","\u003cp\u003eSuccessfully defended a multinational supplier of turbines in an SCC arbitration brought by a Russian power plant developer arising out of the supplier\u0026rsquo;s exercise of its termination rights and retention of a contractual termination fee, with claims valued at USD 20 million\u003c/p\u003e","\u003cp\u003eDefended a UK-based heavy equipment supplier in an ICC mediation and arbitration arising out of alleged defects in electrical equipment installed in a fleet of modular power plants\u003c/p\u003e","\u003cp\u003eRepresented a UK-based industrial company in an AAA arbitration arising out of the installation of aluminum recycling equipment in a U.S. recycling facility\u003c/p\u003e","\u003cp\u003e\u003cstrong\u003eInvestment\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eRepresenting an international airline in an ICSID arbitration against Venezuela arising out of Venezuela\u0026rsquo;s failure to permit the repatriation of the airline's locally generated profits\u003c/p\u003e","\u003cp\u003eRepresenting European and Asian investors in multiple ICSID arbitrations against Romania under the Energy Charter Treaty arising out of changes to Romania\u0026rsquo;s \u0026ldquo;green certificate\u0026rdquo; incentive program enacted to stimulate investment in the renewable energy industry\u003c/p\u003e","\u003cp\u003eRepresented Ukrainian investors in five arbitrations against the Russian Federation under the Russia-Ukraine BIT arising out of measures carried out by the Russian Federation in connection with its annexation of Crimea\u003c/p\u003e","\u003cp\u003eRepresented Rosinvestco UK Ltd., a UK investment fund, in an arbitration against the Russian Federation under the UK-Russia BIT arising out of Russia\u0026rsquo;s expropriation of Yukos assets\u003c/p\u003e","\u003cp\u003e\u003cstrong\u003eMergers and Acquisitions/Joint Ventures\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eRepresented a multinational manufacturer of steam turbines in an UNCITRAL arbitration against a joint venture partner over the misappropriation of technology and mismanagement of an Indian joint venture\u003c/p\u003e","\u003cp\u003eRepresented a French-based multinational in an ICC arbitration arising out of the sale and valuation of an industrial business\u003c/p\u003e","\u003cp\u003e\u003cstrong\u003eLicensing, Agency, and Distributorship\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eRepresented a European pharmaceutical company in an ICC arbitration over licensing rights for a Brazilian trademark and pharmaceutical product\u003c/p\u003e","\u003cp\u003eDefended a European pharmaceutical company in an ICC arbitration arising out of the termination of an agency agreement for the promotion of pharmaceutical products in North Africa\u003c/p\u003e","\u003cp\u003e\u003cstrong\u003eDefense/Information Technology\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eDefended a U.S. defense contractor in an ICC arbitration against a European defense contractor arising out of alleged defects in equipment furnished for installation in missiles\u003c/p\u003e","\u003cp\u003eRepresented a French-based consulting company in an ICC arbitration against an Indian IT company for breach of contract\u003c/p\u003e","\u003cp\u003e\u003cstrong\u003eCompliance\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eDefended an international energy services supply contractor in an LCIA arbitration arising out of the non-payment of consultant commissions due to compliance concerns\u003c/p\u003e"],"recognitions":[{"title":"Recognized for international arbitration","detail":"Chambers Global and Chambers France, 2024-2025"},{"title":"Recognized as one of the world's leading international arbitration practitioners","detail":"Lexology Index France, 2025"},{"title":"“[P]rovides very reliable advice on the litigation strategy and has pretty exceptional drafting skills”","detail":"Chambers Global, 2024"},{"title":"Recommended for International Arbitration every year since 2010 ","detail":"Legal 500"},{"title":"“‘Outstanding’ . . . ranks among the ‘few civil and common law lawyers able to cross-examine witnesses and experts’”","detail":"Legal 500 EMEA"},{"title":"“[K]nows the clients very well and also has institutional knowledge of our work”","detail":"Chambers Global 2024"},{"title":"“Excellent drafting and pleading skills” ","detail":"Legal 500 EMEA"},{"title":"“[V]ery good at understanding technical details and at working with experts to come up with convincing arguments” ","detail":"Legal 500 EMEA"},{"title":"Repeatedly recognized in Best Lawyers in France for International Arbitration and Construction Law ","detail":"Best Lawyers in France, 2023 - 2026"},{"title":"Named to the 2023 Lawdragon 500 Leading Global Litigators Guide ","detail":"Lawdragon, 2023"}]},"fr":{"bio":"\u003cp\u003eMarc-Olivier Langlois est associ\u0026eacute; dans notre bureau de Paris. Il conseille r\u0026eacute;guli\u0026egrave;rement les plus grandes entreprises mondiales dans les arbitrages internationaux complexes en mati\u0026egrave;re d\u0026rsquo;infrastructure et de projets \u0026eacute;nerg\u0026eacute;tiques, d\u0026rsquo;investissements internationaux, de fusions et acquisitions, d\u0026rsquo;accords de licence et de distribution pharmaceutiques, dans des litiges en mati\u0026egrave;re de d\u0026eacute;fense et de technologie, et ceux li\u0026eacute;s aux probl\u0026eacute;matiques de conformit\u0026eacute;.\u003c/p\u003e\n\u003cp\u003eLegal 500 a qualifi\u0026eacute; Marc-Olivier de \u0026laquo;remarquable\u0026raquo;, notant ses \u0026laquo;excellentes comp\u0026eacute;tences de r\u0026eacute;daction et de plaidoirie\u0026raquo;, et le pla\u0026ccedil;ant parmi \u0026laquo;les quelques sp\u0026eacute;cialistes de droit civil et de \u003cem\u003ecommon law\u003c/em\u003e qui savent vraiment auditionner des t\u0026eacute;moins et autres experts\u0026raquo;.[[--readmore--]]\u003c/p\u003e\n\u003cp\u003eMarc-Olivier a pr\u0026egrave;s de vingt ans d\u0026rsquo;exp\u0026eacute;rience dans le conseil d\u0026rsquo;entreprises internationales et de particuliers dans des arbitrages commerciaux et d\u0026rsquo;investissements port\u0026eacute;s sous le r\u0026eacute;gime de la CCI, de la LCIA, de l\u0026rsquo;AAA/ICDR, de la Chambre de Commerce de Stockholm, et de la CNUDCI.\u003c/p\u003e\n\u003cp\u003eMarc-Olivier est sp\u0026eacute;cialis\u0026eacute; dans les litiges complexes li\u0026eacute;s aux projets internationaux d\u0026rsquo;\u0026eacute;nergie et d\u0026rsquo;infrastructure. Il \u0026eacute;vite une approche unique du r\u0026egrave;glement des diff\u0026eacute;rends, pr\u0026eacute;f\u0026eacute;rant travailler en \u0026eacute;troite collaboration avec les \u0026eacute;quipes internes des clients et des experts externes pour \u0026eacute;laborer des strat\u0026eacute;gies sur mesure afin de r\u0026eacute;soudre efficacement des litiges particuliers. Les clients appr\u0026eacute;cient sa capacit\u0026eacute; \u0026agrave; simplifier les probl\u0026egrave;mes techniques compliqu\u0026eacute;s et \u0026agrave; \u0026eacute;laborer des arguments juridiques gagnants, tout en tenant compte de leurs priorit\u0026eacute;s et de leurs risques commerciaux. Marc-Olivier agit r\u0026eacute;guli\u0026egrave;rement pour des clients dans les secteurs de la production d\u0026rsquo;\u0026eacute;lectricit\u0026eacute;, du p\u0026eacute;trole et du gaz, du nucl\u0026eacute;aire et des \u0026eacute;nergies renouvelables.\u003c/p\u003e\n\u003cp\u003eMarc-Olivier intervient \u0026eacute;galement dans des litiges li\u0026eacute;s aux investissements internationaux, aux fusions-acquisitions, aux accords de licence et de distribution pharmaceutiques, dans les litiges en mati\u0026egrave;re de d\u0026eacute;fense et de technologie, et ceux li\u0026eacute;s aux probl\u0026eacute;matiques de conformit\u0026eacute;. Il a notamment fait partie d\u0026rsquo;une \u0026eacute;quipe d\u0026rsquo;avocats ayant obtenu les premi\u0026egrave;res d\u0026eacute;cisions arbitrales internationales d\u0026eacute;clarant la F\u0026eacute;d\u0026eacute;ration de Russie responsable pour l\u0026rsquo;expropriation des actifs appartenant \u0026agrave; la soci\u0026eacute;t\u0026eacute; p\u0026eacute;troli\u0026egrave;re Ioukos et \u0026agrave; des investisseurs ukrainiens suite \u0026agrave; la prise de contr\u0026ocirc;le de la Crim\u0026eacute;e par la Russie.\u003c/p\u003e\n\u003cp\u003eAvocat form\u0026eacute; aux \u0026Eacute;tats-Unis et membre des barreaux du District de Columbia et de la Virginie, Marc-Olivier a exerc\u0026eacute; son activit\u0026eacute; en arbitrage international pendant de nombreuses ann\u0026eacute;es dans un autre cabinet d\u0026rsquo;avocats international \u0026agrave; Paris, o\u0026ugrave; il \u0026eacute;tait coresponsable de sa pratique internationale des litiges de construction et associ\u0026eacute; g\u0026eacute;rant de son bureau de Paris.\u003c/p\u003e\n\u003cp\u003eMarc-Olivier a \u0026eacute;t\u0026eacute; \u0026eacute;lev\u0026eacute; et \u0026eacute;duqu\u0026eacute; aux \u0026Eacute;tats-Unis et en France. Il parle couramment l\u0026rsquo;anglais et le fran\u0026ccedil;ais.\u003c/p\u003e","matters":[""],"recognitions":[{"title":"Reconnu pour l’arbitrage international chaque année depuis 2010","detail":"Legal 500"},{"title":"“‘Remarquable’ . . . parmi ‘les quelques spécialistes de droit civil et de common law qui savent vraiment auditionner des témoins et autres experts’”","detail":"Legal 500 EMEA"},{"title":"“Excellentes compétences de rédaction et de plaidoirie” ","detail":"Legal 500 EMEA"},{"title":"“Très bien à comprendre les détails techniques et de travailler avec des experts pour trouver des arguments convaincants”","detail":"Legal 500 EMEA "}]},"locales":["en","fr"]},"secondary_title_id":null,"upload_assignments":{"headshot":[{"id":6056}]},"capability_group_id":3},"created_at":"2025-12-18T19:09:07.000Z","updated_at":"2025-12-18T19:09:07.000Z","searchable_text":"Langlois{{ FIELD }}{:title=\u0026gt;\"Recognized for international arbitration\", :detail=\u0026gt;\"Chambers Global and Chambers France, 2024-2025\"}{{ FIELD }}{:title=\u0026gt;\"Recognized as one of the world's leading international arbitration practitioners\", :detail=\u0026gt;\"Lexology Index France, 2025\"}{{ FIELD }}{:title=\u0026gt;\"“[P]rovides very reliable advice on the litigation strategy and has pretty exceptional drafting skills”\", :detail=\u0026gt;\"Chambers Global, 2024\"}{{ FIELD }}{:title=\u0026gt;\"Recommended for International Arbitration every year since 2010 \", :detail=\u0026gt;\"Legal 500\"}{{ FIELD }}{:title=\u0026gt;\"“‘Outstanding’ . . . ranks among the ‘few civil and common law lawyers able to cross-examine witnesses and experts’”\", :detail=\u0026gt;\"Legal 500 EMEA\"}{{ FIELD }}{:title=\u0026gt;\"“[K]nows the clients very well and also has institutional knowledge of our work”\", :detail=\u0026gt;\"Chambers Global 2024\"}{{ FIELD }}{:title=\u0026gt;\"“Excellent drafting and pleading skills” \", :detail=\u0026gt;\"Legal 500 EMEA\"}{{ FIELD }}{:title=\u0026gt;\"“[V]ery good at understanding technical details and at working with experts to come up with convincing arguments” \", :detail=\u0026gt;\"Legal 500 EMEA\"}{{ FIELD }}{:title=\u0026gt;\"Repeatedly recognized in Best Lawyers in France for International Arbitration and Construction Law \", :detail=\u0026gt;\"Best Lawyers in France, 2023 - 2026\"}{{ FIELD }}{:title=\u0026gt;\"Named to the 2023 Lawdragon 500 Leading Global Litigators Guide \", :detail=\u0026gt;\"Lawdragon, 2023\"}{{ FIELD }}Construction\nRepresenting a Spanish infrastructure contractor in an ICSID arbitration against Kuwait seeking more than USD 300 million in compensation for delays and disruption occurring during the construction of an elevated roadway in Kuwait City{{ FIELD }}Assisting an Asian EPC contractor in preparing more than USD 270 million worth of contractual claims arising out of the construction of a power plant in Algeria{{ FIELD }}Represented a multinational supplier of turbines in an AFSA arbitration with a South African EPC contractor arising out of a power plant owner’s exercise of its step-in rights in respect of the subcontract between the supplier and the EPC contractor, with claims valued at USD 20 million{{ FIELD }}Represented a U.S.-based contractor in relation to arbitration claims arising out of the design and installation of undersea pipelines between oil platforms in the Gulf of Mexico{{ FIELD }}Represented a multinational EPC contractor in an UNCITRAL arbitration arising out of the commissioning of a power plant in Eastern Europe and the related termination of an EPC Contract, with claims valued in excess of 200 million euro{{ FIELD }}Assisted a multinational contractor in preparing more than 100 million euro in contractual claims arising out of the construction of a third-generation nuclear reactor in Western Europe{{ FIELD }}Defended a Eurasian state petroleum company in an ICC arbitration arising out of the design and installation of an underground natural gas storage facility{{ FIELD }}Defended to a multinational EPC contractor in an ICC arbitration with a subcontractor over the construction of a power plant in Mexico{{ FIELD }}Energy\nActing for a multinational petroleum company in a nine-figure ICC arbitration arising out an Eastern European state's breach of contractual stabilisation provisions in an offshore gas concession contract{{ FIELD }}Representing an oil \u0026amp; gas company in an ad hoc UNCITRAL arbitration against an Asian sovereign state relating to the company’s right to cost recovery under a PSC{{ FIELD }}Advising one of the world's largest oil and gas service providers in litigation over alleged defects in well completion equipment, with claims valued in excess of 60 million euro{{ FIELD }}Obtained a complete victory for an international turbine service provider in an SCC arbitration brought by an Russian power plant operator seeking almost 160 million euro in compensation for alleged breaches of service agreements{{ FIELD }}Successfully defended a multinational supplier of turbines in an SCC arbitration brought by a Russian power plant developer arising out of the supplier’s exercise of its termination rights and retention of a contractual termination fee, with claims valued at USD 20 million{{ FIELD }}Defended a UK-based heavy equipment supplier in an ICC mediation and arbitration arising out of alleged defects in electrical equipment installed in a fleet of modular power plants{{ FIELD }}Represented a UK-based industrial company in an AAA arbitration arising out of the installation of aluminum recycling equipment in a U.S. recycling facility{{ FIELD }}Investment\nRepresenting an international airline in an ICSID arbitration against Venezuela arising out of Venezuela’s failure to permit the repatriation of the airline's locally generated profits{{ FIELD }}Representing European and Asian investors in multiple ICSID arbitrations against Romania under the Energy Charter Treaty arising out of changes to Romania’s “green certificate” incentive program enacted to stimulate investment in the renewable energy industry{{ FIELD }}Represented Ukrainian investors in five arbitrations against the Russian Federation under the Russia-Ukraine BIT arising out of measures carried out by the Russian Federation in connection with its annexation of Crimea{{ FIELD }}Represented Rosinvestco UK Ltd., a UK investment fund, in an arbitration against the Russian Federation under the UK-Russia BIT arising out of Russia’s expropriation of Yukos assets{{ FIELD }}Mergers and Acquisitions/Joint Ventures\nRepresented a multinational manufacturer of steam turbines in an UNCITRAL arbitration against a joint venture partner over the misappropriation of technology and mismanagement of an Indian joint venture{{ FIELD }}Represented a French-based multinational in an ICC arbitration arising out of the sale and valuation of an industrial business{{ FIELD }}Licensing, Agency, and Distributorship\nRepresented a European pharmaceutical company in an ICC arbitration over licensing rights for a Brazilian trademark and pharmaceutical product{{ FIELD }}Defended a European pharmaceutical company in an ICC arbitration arising out of the termination of an agency agreement for the promotion of pharmaceutical products in North Africa{{ FIELD }}Defense/Information Technology\nDefended a U.S. defense contractor in an ICC arbitration against a European defense contractor arising out of alleged defects in equipment furnished for installation in missiles{{ FIELD }}Represented a French-based consulting company in an ICC arbitration against an Indian IT company for breach of contract{{ FIELD }}Compliance\nDefended an international energy services supply contractor in an LCIA arbitration arising out of the non-payment of consultant commissions due to compliance concerns{{ FIELD }}Marc-Olivier Langlois is a partner in our Paris office. He regularly represents the world’s largest companies in complex international arbitrations arising out of infrastructure and energy projects, international investments, mergers \u0026amp; acquisitions, pharmaceutical licensing and distribution agreements, defense and technology disputes, and compliance issues.\nLegal 500 has described Marc-Olivier as “outstanding,” noting his “excellent drafting and pleading skills” and ranking him “among the ‘few civil and common law lawyers able to cross-examine witnesses and experts’.”\nMarc-Olivier has twenty years’ experience representing international companies and individuals in commercial and investment treaty arbitrations brought under the ICC, LCIA, AAA/ICDR, SCC, ICSID, and UNCITRAL Rules. \nMarc-Olivier specializes in complex disputes arising out of international energy and infrastructure projects.  He eschews a one-size-fits-all approach to dispute resolution, preferring to work closely with clients’ internal teams and outside experts to develop tailor-made strategies for efficiently resolving specific disputes.   Clients value his ability to simplify complicated technical issues and craft winning legal arguments that take into account their commercial priorities and risks.  Marc-Olivier regularly acts for clients in the electrical power generation, oil and gas, nuclear, and renewables industries.\nMarc-Olivier also acts in disputes arising out of international investments, mergers \u0026amp; acquisitions, pharmaceutical licensing and distribution agreements, defense and technology disputes, and compliance issues.  Among other things, he was part of a team of attorneys that obtained the first international awards finding the Russian Federation responsible for expropriating assets belonging to Yukos Oil Company and to Ukrainian investors following the Russian Federation’s takeover of Crimea.\nA U.S.-trained lawyer and member of the Bars of the District of Columbia, Virginia, and Paris, Marc-Olivier practiced international arbitration for many years at another international law firm in Paris, where he was the co-head of its international construction disputes practice and the managing partner of its Paris office. \nMarc-Olivier was raised and educated in the United States and France. He speaks English and French fluently. Partner Recognized for international arbitration Chambers Global and Chambers France, 2024-2025 Recognized as one of the world's leading international arbitration practitioners Lexology Index France, 2025 “[P]rovides very reliable advice on the litigation strategy and has pretty exceptional drafting skills” Chambers Global, 2024 Recommended for International Arbitration every year since 2010  Legal 500 “‘Outstanding’ . . . ranks among the ‘few civil and common law lawyers able to cross-examine witnesses and experts’” Legal 500 EMEA “[K]nows the clients very well and also has institutional knowledge of our work” Chambers Global 2024 “Excellent drafting and pleading skills”  Legal 500 EMEA “[V]ery good at understanding technical details and at working with experts to come up with convincing arguments”  Legal 500 EMEA Repeatedly recognized in Best Lawyers in France for International Arbitration and Construction Law  Best Lawyers in France, 2023 - 2026 Named to the 2023 Lawdragon 500 Leading Global Litigators Guide  Lawdragon, 2023 University of Virginia University of Virginia School of Law Institut d'Etudes Politiques de Paris  College of William and Mary William \u0026amp; Mary Law School District of Columbia Virginia Paris Vice Chair, Executive Committee, Foundation for International Arbitration Advocacy (FIAA) Former Member, Arbitrator Nominations Committee, USCIB Arbitration Committee Law Clerk, the Honorable James H. Michael, Jr., Senior U.S. District Judge, U.S. District Court for the Western District of Virginia Construction\nRepresenting a Spanish infrastructure contractor in an ICSID arbitration against Kuwait seeking more than USD 300 million in compensation for delays and disruption occurring during the construction of an elevated roadway in Kuwait City Assisting an Asian EPC contractor in preparing more than USD 270 million worth of contractual claims arising out of the construction of a power plant in Algeria Represented a multinational supplier of turbines in an AFSA arbitration with a South African EPC contractor arising out of a power plant owner’s exercise of its step-in rights in respect of the subcontract between the supplier and the EPC contractor, with claims valued at USD 20 million Represented a U.S.-based contractor in relation to arbitration claims arising out of the design and installation of undersea pipelines between oil platforms in the Gulf of Mexico Represented a multinational EPC contractor in an UNCITRAL arbitration arising out of the commissioning of a power plant in Eastern Europe and the related termination of an EPC Contract, with claims valued in excess of 200 million euro Assisted a multinational contractor in preparing more than 100 million euro in contractual claims arising out of the construction of a third-generation nuclear reactor in Western Europe Defended a Eurasian state petroleum company in an ICC arbitration arising out of the design and installation of an underground natural gas storage facility Defended to a multinational EPC contractor in an ICC arbitration with a subcontractor over the construction of a power plant in Mexico Energy\nActing for a multinational petroleum company in a nine-figure ICC arbitration arising out an Eastern European state's breach of contractual stabilisation provisions in an offshore gas concession contract Representing an oil \u0026amp; gas company in an ad hoc UNCITRAL arbitration against an Asian sovereign state relating to the company’s right to cost recovery under a PSC Advising one of the world's largest oil and gas service providers in litigation over alleged defects in well completion equipment, with claims valued in excess of 60 million euro Obtained a complete victory for an international turbine service provider in an SCC arbitration brought by an Russian power plant operator seeking almost 160 million euro in compensation for alleged breaches of service agreements Successfully defended a multinational supplier of turbines in an SCC arbitration brought by a Russian power plant developer arising out of the supplier’s exercise of its termination rights and retention of a contractual termination fee, with claims valued at USD 20 million Defended a UK-based heavy equipment supplier in an ICC mediation and arbitration arising out of alleged defects in electrical equipment installed in a fleet of modular power plants Represented a UK-based industrial company in an AAA arbitration arising out of the installation of aluminum recycling equipment in a U.S. recycling facility Investment\nRepresenting an international airline in an ICSID arbitration against Venezuela arising out of Venezuela’s failure to permit the repatriation of the airline's locally generated profits Representing European and Asian investors in multiple ICSID arbitrations against Romania under the Energy Charter Treaty arising out of changes to Romania’s “green certificate” incentive program enacted to stimulate investment in the renewable energy industry Represented Ukrainian investors in five arbitrations against the Russian Federation under the Russia-Ukraine BIT arising out of measures carried out by the Russian Federation in connection with its annexation of Crimea Represented Rosinvestco UK Ltd., a UK investment fund, in an arbitration against the Russian Federation under the UK-Russia BIT arising out of Russia’s expropriation of Yukos assets Mergers and Acquisitions/Joint Ventures\nRepresented a multinational manufacturer of steam turbines in an UNCITRAL arbitration against a joint venture partner over the misappropriation of technology and mismanagement of an Indian joint venture Represented a French-based multinational in an ICC arbitration arising out of the sale and valuation of an industrial business Licensing, Agency, and Distributorship\nRepresented a European pharmaceutical company in an ICC arbitration over licensing rights for a Brazilian trademark and pharmaceutical product Defended a European pharmaceutical company in an ICC arbitration arising out of the termination of an agency agreement for the promotion of pharmaceutical products in North Africa Defense/Information Technology\nDefended a U.S. defense contractor in an ICC arbitration against a European defense contractor arising out of alleged defects in equipment furnished for installation in missiles Represented a French-based consulting company in an ICC arbitration against an Indian IT company for breach of contract Compliance\nDefended an international energy services supply contractor in an LCIA arbitration arising out of the non-payment of consultant commissions due to compliance concerns","searchable_name":"Marc-Olivier Langlois","is_active":true,"featured":null,"publish_date":null,"expiration_date":null,"blog_featured":null,"published_by":202,"capability_group_featured":null,"home_page_featured":null}]}}