Henry C Thumann, ATTY - O'Melveny & Myers LLP

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1625 I St NW
Washington, DC 20006

Henry C. Thumann is Of Counsel at O'Melveny & Myers LLP in Washington, DC, specializing in high-stakes antitrust matters. With extensive experience defending mergers and acquisitions before the Federal Trade Commission and the Department of Justice, he serves clients across various industries, including defense, healthcare, and manufacturing.

Thumann is recognized for his expertise in commercial litigation and antitrust law, having been acknowledged by Best Lawyers in America from 1989 to 2025. He is actively involved in professional organizations, including the Ninth Circuit Judicial Council and the Antitrust Committee of the Center for Public Resources.

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