Wilmer Cutler Pickering Hale and Dorr LLP

105 Best Lawyers awards

Wilmer Cutler Pickering Hale and Dorr LLP logo

Awarded Practice Areas

Antitrust Law Litigation - Antitrust

Biography

Thomas Mueller's antitrust practice focuses on global cartel enforcement matters, as well as merger and other investigations. Having practiced both in Brussels and Washington, Mr. Mueller has insight into antitrust issues on both sides of the Atlantic and has helped steer clients through the difficulties and opportunities created by the closer cooperation between the US and EU authorities. Chambers describes him as "a figure of great stature within criminal and cartel investigation circles" and "a creative strategist, which makes him a perfect choice for this often complicated and rapidly moving area."
Wilmer Cutler Pickering Hale and Dorr LLP

105 Best Lawyers awards

Wilmer Cutler Pickering Hale and Dorr LLP logo

Overview

  • German

  • Harvard University, J.D., graduated 1990
  • Williams College, BA, graduated 1987

  • District of Columbia, The District of Columbia Bar
  • Massachusetts, Massachusetts Bar Association
  • New York, New York State Bar Association

  • United States District Court
  • German
  • District of Columbia, The District of Columbia Bar
  • Massachusetts, Massachusetts Bar Association
  • New York, New York State Bar Association
  • Harvard University, J.D., graduated 1990
  • Williams College, BA, graduated 1987
  • United States District Court

Client Testimonials

Thomas Mueller is one of the very best attorneys representing clients in criminal antitrust attorneys. He always has command of the facts, is well prepared, and does not overstate or understate the facts.

Thomas Mueller is very detailed and very attentive.

Thomas Mueller has outstanding expertise and responsiveness. He is highly skilled in managing extremely sensitive issues; and has an excellent professional relationship with key antitrust authorities.

Henning zur Hausen (Lufthansa Cargo AG)

Awards & Focus

Recognized in The Best Lawyers in America® 2026 for work in:
  • Antitrust Law
  • Litigation - Antitrust
Awards:
  • Visiting fellow, Max Planck Institute for Foreign and International Patent, Copyright, and Competition Law (Munich, Germany)
  • Recognized by his peers as one of the world's leading antitrust and competition attorneys in Legal Media Group's The Best of the Best
  • In 2004, was subject of an in-depth profile as one of the top competition lawyers, featured in Global Competition Review's "40 under 40—The World's 40 Brightest Young Antitrust Lawyers and Economists"
  • Recognized in the 2005-2014 editions of Global Competition Review’s Who's Who Legal, The International Who's Who of Competition Lawyers and Economists
  • Listed in the 2006/2007, 2009/2010 and 2011/2012 editions of the PLC Cross-border Competition Handbook for competition/antitrust
  • Recognized as a leader in antitrust and competition law in the 2007-2012 editions Chambers Europe
  • Recognized as a Washington DC leader in antitrust in the 2007-2014 editions of Chambers USA: America's Leading Lawyers for Business
  • Recognized for exceptional standing in the area of antitrust and competition law in the 2006-2014 editions of Chambers Global: The World's Leading Lawyers

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