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David Weiss is in King & Spalding’s International Arbitration Group.

Mr. Weiss concentrates on investor-state arbitration and international commercial disputes.  Mr. Weiss has significant experience in investment disputes, energy disputes, and disputes in Latin America.  He has participated in proceedings before the International Centre for Settlement of Investment Disputes (ICSID), the International Chamber of Commerce (ICC), and the Permanent Court of Arbitration in The Hague (PCA). 

International Chamber of Commerce (ICC), and the Permanent Court of Arbitration in The Hague (PCA). 

In 2017, Mr. Weiss was named to Who’s Who Legal: Arbitration – Future Leaders 2017.

Mr. Weiss graduated from The University of Texas School of Law, with honors, where he was a member of the Texas International Law Journal and the International Arbitration Moot Court Team.  Mr. Weiss spent one semester of law school at the Faculdade de Direito da Universidade de São Paulo (USP) in São Paulo, Brazil.  Before law school, Mr. Weiss graduated, with Phi Beta Kappa honors, from the University of Richmond with majors in Diplomacy and Political Science.  He spent one semester of his undergraduate studies at the Universidad Torcuato Di Tella in Buenos Aires, Argentina.

Publications

  • Overview of Principles Reducing Damages, in Global Arbitration Review - The Guide to Damages in International Arbitration (John A. Trenor, ed., 2016) (co-author with Craig Miles);
  • Systematic Advocacy: A Guide to Cross-Examination in International Arbitration, 13 Revista Brasiliera de Arbitragem, Issue 51, pp. 99-132 (2016) (co-author with Harry Burnett);
  • Distorted Mirrors: Perceived Disagreements Obfuscate the General Principle of Law that a Heightened Standard of Proof Applies to Corruption Allegations in International Arbitration, in 9 Investment Treaty Arbitration and International Law 291 (Ian A. Laird, Borzu Sabahi, Frederic G. Sourgens, & Todd Weiler, eds., 2016).

Recent Speaking Engagements

  • Applicable Law in Environmental Counterclaims, Third Annual Houston Conference on Oil and Gas Investment Arbitration, Houston, USA, September 2016.
  • Medidas cautelares en el arbitraje de inversión (Interim Measures in Investment Arbitration), Segundo Congreso Centroamericano de Arbitraje de Inversión, San Salvador, El Salvador, February 2016.
  • Burdens and Standards of Proof for Corruption – is the allegation of claimant corruption by a state a sufficient basis on which tribunals may deny an investment claim?, Ninth Annual Investment Treaty Arbitration Conference, Washington DC, USA, February 2015.
  • La utilización de la cláusula de la nación más favorecida (Use of the Most-Favored-Nation Clause), Primero Congreso Centroamericano de Arbitraje de Inversión, San Salvador, El Salvador, January 2015.
  • Papel das Instituições Arbitrais no Fomento ao Desenvolvimento da Arbitragem (The Role of Arbitral Institutions in Fostering the Development of Arbitration), Primeiro Congresso Pan-Americano de Arbitragem, São Paulo, Brasil, October 2014.
  • Relevancia del derecho doméstico en la interpretación de los tratados bilaterales de inversión y su rol como ley aplicable en la solución de controversias inversor-Estado (The Relevance of Domestic Law in the Interpretation of Bilateral Investment Treaties and its Role as the applicable law in Investment Disputes), Segundo Seminario Internacional de Arbitraje de Inversión, Instituto Peruano de Arbitraje, Lima, Perú, October 2014.
Full Bio

Credentials

J.D., The University of Texas at Austin, with honors

B.A., University of Richmond, Phi Beta Kappa

Texas

Portuguese

Spanish

Matters

Representing a major U.S. energy company in an UNCITRAL arbitration involving over US$ 9 billion against Ecuador for denial of justice, violation of an investment agreement, and breach of the U.S.-Ecuador bilateral investment treaty

Representing a Spanish energy company in an ICSID case against Egypt for improper interference in a natural gas sale purchase agreement

Representing a Bermudian company in an UNCITRAL arbitration against Bolivia for expropriation of a mining concession

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Matters

Representing a major U.S. energy company in an UNCITRAL arbitration involving over US$ 9 billion against Ecuador for denial of justice, violation of an investment agreement, and breach of the U.S.-Ecuador bilateral investment treaty

Representing a Spanish energy company in an ICSID case against Egypt for improper interference in a natural gas sale purchase agreement

Representing a Bermudian company in an UNCITRAL arbitration against Bolivia for expropriation of a mining concession

Representing U.S. company in an UNCITRAL arbitration against Peru for expropriation of a large, mining complex

Representing an Italian company in an ICSID arbitration against Argentina failing to restore the economic equilibrium of a toll-road concession

Obtaining a favorable arbitration award (US$ 700 million less taxes) representing a major U.S. energy company in an UNCITRAL arbitration against Ecuador for violation of the U.S.-Ecuador bilateral investment treaty as a result of the Ecuadorian courts’ undue delay of seven breach-of-contract cases

Obtaining a favorable arbitration award representing an Italian company in its ICSID case against Argentina for the unlawful termination of a water and sewage concession contract

Representing a U.S. company during the annulment phase of its ICSID case against Argentina for abrogating dollar tariffs and inflationary adjustments in the gas sector

Representing a major U.S. energy company in its ICSID case against Argentina for measures taken against gas production companies

Representing a major U.S. energy company in an arbitration administered by the ICC against a joint-venture partner in a West African, off-shore project

Representing a U.S. energy company in an arbitration administered by the ICC against a state-owned, electricity-distribution company in the Dominican Republic

Obtaining a favorable arbitration award representing a U.S. company in a commercial dispute with its Brazilian partner concerning a real-estate development project in São Paulo in an arbitration administered by the ICC

Advising a major U.S. energy company on the implications of particular treaties during the course of that company’s negotiations to extend an oil-and-gas concession with a sovereign government.  

Matters

Representing a major U.S. energy company in an UNCITRAL arbitration involving over US$ 9 billion against Ecuador for denial of justice, violation of an investment agreement, and breach of the U.S.-Ecuador bilateral investment treaty

Representing a Spanish energy company in an ICSID case against Egypt for improper interference in a natural gas sale purchase agreement

Representing a Bermudian company in an UNCITRAL arbitration against Bolivia for expropriation of a mining concession

See more
Icon close

Close

Matters

Representing a major U.S. energy company in an UNCITRAL arbitration involving over US$ 9 billion against Ecuador for denial of justice, violation of an investment agreement, and breach of the U.S.-Ecuador bilateral investment treaty

Representing a Spanish energy company in an ICSID case against Egypt for improper interference in a natural gas sale purchase agreement

Representing a Bermudian company in an UNCITRAL arbitration against Bolivia for expropriation of a mining concession

Representing U.S. company in an UNCITRAL arbitration against Peru for expropriation of a large, mining complex

Representing an Italian company in an ICSID arbitration against Argentina failing to restore the economic equilibrium of a toll-road concession

Obtaining a favorable arbitration award (US$ 700 million less taxes) representing a major U.S. energy company in an UNCITRAL arbitration against Ecuador for violation of the U.S.-Ecuador bilateral investment treaty as a result of the Ecuadorian courts’ undue delay of seven breach-of-contract cases

Obtaining a favorable arbitration award representing an Italian company in its ICSID case against Argentina for the unlawful termination of a water and sewage concession contract

Representing a U.S. company during the annulment phase of its ICSID case against Argentina for abrogating dollar tariffs and inflationary adjustments in the gas sector

Representing a major U.S. energy company in its ICSID case against Argentina for measures taken against gas production companies

Representing a major U.S. energy company in an arbitration administered by the ICC against a joint-venture partner in a West African, off-shore project

Representing a U.S. energy company in an arbitration administered by the ICC against a state-owned, electricity-distribution company in the Dominican Republic

Obtaining a favorable arbitration award representing a U.S. company in a commercial dispute with its Brazilian partner concerning a real-estate development project in São Paulo in an arbitration administered by the ICC

Advising a major U.S. energy company on the implications of particular treaties during the course of that company’s negotiations to extend an oil-and-gas concession with a sovereign government.  

Credentials

J.D., The University of Texas at Austin, with honors

B.A., University of Richmond, Phi Beta Kappa

Texas

Portuguese

Spanish