People

John D. Carroll is a partner in the Antitrust practice in the Washington, D.C., office of King & Spalding.  His practice focuses on civil and criminal antitrust matters, including mergers & acquisitions, strategic counseling and compliance, and global cartel investigations, where he represents clients before the Department of Justice Antitrust Division, Federal Trade Commission, and international and state antitrust enforcement authorities.

John was named a “Rising Star” for antitrust by Washington Super Lawyers and holds leadership positions in both the American Bar Association Section of Antitrust Law (Vice-Chair, Healthcare & Pharmaceuticals Committee) and the American Health Lawyers Association Antitrust Practice Group (Social Media Chair).

John joined King & Spalding in 2011 after spending three years in the antitrust group at Ropes & Gray.  Prior to joining Ropes & Gray, he was a staff attorney for several years in the Mergers I Division of the Federal Trade Commission’s Bureau of Competition.  While with the FTC, he investigated, challenged, and negotiated settlements in a number of potentially anti-competitive business combinations in the technology, consumer products, defense, healthcare, and pharmaceutical industries and received an Award for Meritorious Service for work on merger litigation.

Recent Speaking Engagements

  • Panelist, "Federal Antitrust Enforcement of the FinTech Industry," Electronic Transactions Association, April 10, 2019
  • Panelist, "Healthcare Antitrust Educational Call," American Health Lawyers Association, December 11, 2018
  • Panelist, "Exclusionary Practices: An Overview," American Health Lawyers Association Annual Meeting, June 27, 2018
  • Panelist, "Recent Developments in Healthcare & Pharmaceuticals," American Bar Association, Antitrust Section, January 24, 2018
  • Panelist, "300 Days and Counting, Antitrust in the Trump Administration, What We've Seen and What to Expect," King & Spalding Pharma U, November 1, 2017 
  • Moderator & Panelist, “A Practical, Real-Life Look at Joint Venture Activity,” American Health Lawyers Association Annual Meeting, June 27, 2017
  • Panelist, “Managed Care Contracting Risks: An Antitrust, Government Pricing and Fraud and Abuse Analysis,” King & Spalding Pharma U, November 16, 2016.
  • Panelist, “Hospital Affiliation Antitrust Scrutiny: How to Minimize Risk,” University of Texas Healthcare Summit, September 13, 2016.
  • Moderator, “What’s New in Health Care Antitrust: Multiregional Networks, Physician Acquisitions, and Vertical Theories of Harm,” American Health Lawyers Association, March 22, 2016.
  • Panelist, “Hot Topics in FTC Antitrust Enforcement,” King & Spalding Healthcare Law & Policy Forum, March 21, 2016.

Recent Publications

  •  Co-Editor, Antitrust Law Developments, 2018 Update, ABA Publications 
  • Contributing Editor, Pharmaceutical Industry Handbook (2018), ABA Publications
  • "Growing Your Healthcare System: What you Need to Know About Antitrust," The Reimbursement Advisor, April 2018
  • Supervising Editor, The Energy Industry Handbook (2017) ABA Publications
  • “FTC Challenges Proposed Combination of Two West Virginia Hospitals Despite Clearance from State of West Virginia Attorney General,” The Threshold, January 2016.

Memberships & Affiliations

  • Vice-Chair, Healthcare & Pharmaceuticals Committee, ABA Section of Antitrust Law
  • Social Media Chair, American Health Lawyers Association Antitrust Practice Group
Full Bio

Credentials

J.D., George Washington University

B.A., University of Michigan

District of Columbia

Maryland

Supreme Court of the United States

Matters

Currently advising health systems and physician groups on variety of antitrust issues, including network formation and potential transactions.

Successfully represented Energizer Holdings, Inc. on antitrust aspects of it $2 billion acquisition of Spectrum Brands. The transaction was cleared by the Federal Trade Commission in 2018.

Successfully represented WestRock Company on antitrust aspects of its $4.9 billion acquisition of KapStone Paper & Packaging. The transaction was cleared by the U.S. Department of Justice, Antitrust Division in 2018 without enforcement action. 

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Matters

Currently advising health systems and physician groups on variety of antitrust issues, including network formation and potential transactions.

Successfully represented Energizer Holdings, Inc. on antitrust aspects of it $2 billion acquisition of Spectrum Brands. The transaction was cleared by the Federal Trade Commission in 2018.

Successfully represented WestRock Company on antitrust aspects of its $4.9 billion acquisition of KapStone Paper & Packaging. The transaction was cleared by the U.S. Department of Justice, Antitrust Division in 2018 without enforcement action. 

Successfully represented Ochsner Health System it its formation of JOA with Slidell Memorial Hospital.

Successfully represented Carmike Cinemas in the Department of Justice investigation of their sale to AMC theatres, creating the nation’s largest movie theatre chain.  The transaction achieved DOJ clearance at the end of 2016.

Successfully defended University of Texas Southwestern Medical Center (UTSW) in an FTC and Texas AG investigation of its formation of a JOA with Texas Health Resources.

Represented Bass Pro Group in its successful defense of an FTC investigation of its acquisition of Fishing Holdings LLC,  a manufacturer of fishing boats that include Ranger Boats and the Stratos and Triton boat brands.

Advises various pharmaceutical and medical device companies on all aspects of competitor collaborations, including mergers, acquisitions, and joint ventures.

Successfully represented an executive of international auto parts company in connection with a cartel investigation in that industry.

Insights

View all

Matters

Currently advising health systems and physician groups on variety of antitrust issues, including network formation and potential transactions.

Successfully represented Energizer Holdings, Inc. on antitrust aspects of it $2 billion acquisition of Spectrum Brands. The transaction was cleared by the Federal Trade Commission in 2018.

Successfully represented WestRock Company on antitrust aspects of its $4.9 billion acquisition of KapStone Paper & Packaging. The transaction was cleared by the U.S. Department of Justice, Antitrust Division in 2018 without enforcement action. 

See more
Icon close

Close

Matters

Currently advising health systems and physician groups on variety of antitrust issues, including network formation and potential transactions.

Successfully represented Energizer Holdings, Inc. on antitrust aspects of it $2 billion acquisition of Spectrum Brands. The transaction was cleared by the Federal Trade Commission in 2018.

Successfully represented WestRock Company on antitrust aspects of its $4.9 billion acquisition of KapStone Paper & Packaging. The transaction was cleared by the U.S. Department of Justice, Antitrust Division in 2018 without enforcement action. 

Successfully represented Ochsner Health System it its formation of JOA with Slidell Memorial Hospital.

Successfully represented Carmike Cinemas in the Department of Justice investigation of their sale to AMC theatres, creating the nation’s largest movie theatre chain.  The transaction achieved DOJ clearance at the end of 2016.

Successfully defended University of Texas Southwestern Medical Center (UTSW) in an FTC and Texas AG investigation of its formation of a JOA with Texas Health Resources.

Represented Bass Pro Group in its successful defense of an FTC investigation of its acquisition of Fishing Holdings LLC,  a manufacturer of fishing boats that include Ranger Boats and the Stratos and Triton boat brands.

Advises various pharmaceutical and medical device companies on all aspects of competitor collaborations, including mergers, acquisitions, and joint ventures.

Successfully represented an executive of international auto parts company in connection with a cartel investigation in that industry.

Insights

View all

Credentials

J.D., George Washington University

B.A., University of Michigan

District of Columbia

Maryland

Supreme Court of the United States