Retired Partner


Charles E. Biggio retired as a partner from Wilson Sonsini Goodrich & Rosati in February 2018. During his tenure, his practice focused on antitrust and trade regulation law. For 20 years, he advised clients on all aspects of antitrust law, including mergers and acquisitions, joint ventures, and intellectual property agreements. In particular, he often represented clients in merger and acquisition matters before the U.S. Department of Justice and the Federal Trade Commission.

Before joining the firm, Charles was the acting deputy assistant attorney general for merger enforcement at the Antitrust Division of the U.S. Department of Justice, where he was responsible for formulating and implementing merger enforcement policy. He also had been a partner in Akin Gump Strauss Hauer & Feld's antitrust practice in New York.

Charles has been regularly quoted on antitrust matters in national business periodicals, and he was a frequent writer and speaker on antitrust issues. He has also served on various panels and committees dealing with the field of antitrust law sponsored by the American Bar Association, the U.S. government, and other organizations.

  • J.D., Fordham University School of Law, 1985
    With Honors
  • A.B., History and Economics, Brown University, 1980
  • Honored with the "Best Business Mergers Article - 2012 Antitrust Writing Award" from the Institute of Competition Law for co-authoring "EU and U.S. Antitrust Authorities Update: Best Practices on Cooperation in Merger Investigations"
  • Named among New York's top antitrust attorneys in the 2010-2018 editions of Chambers USA: America's Leading Lawyers for Business
  • Named in New York Super Lawyers in 2007-2018
  • Selected for inclusion in the 2008, 2009, 2010, 2011, and 2012 editions of The International Who's Who of Competition Lawyers & Economists
  • Co-author with S. Sher, R. Shehadeh, and J. Lutinski, "The Emerging Role of Open-Source Software in Merger Analysis," Sweet & Maxwell, reprinted from European Competition Law Review, Issue 7, 2011
  • "Whole Foods' Impact on Unilateral Effects," Global Competition Policy, September 2008
  • Co-author with F. Rubinstein and S. Sher, "Brocade/McDATA: Structural Presumptions Didn't Tell the Whole Story," The Threshold, Spring 2007, Vol. 7, No. 2
  • "Applying Antitrust Law to B2B Marketplaces," Start-Up & Emerging Companies Strategist, April 2001
  • "Supreme Court Gives Sherman Act a Thorough 'Quick Look' Analysis," New York Law Review, June 23, 1999
  • "International Cooperation and U.S. Antitrust Enforcement," Government Antitrust Litigation Advisory, July 1996
  • Co-author, "Antitrust Investigations Can Delay and Kill Deals," The National Law Journal, April 15, 1996
  • "The United States: An Ideal Merger Review Process?" presented at the 2007 Annual Fall Conference on Competition Law, Canadian Bar Association, National Competition Law Section (co-authored with Paul Jin), Gatineau (Quebec), Canada, October 2007
  • "Competition and the Future of Digital Music," testimony before the Antitrust Task Force of the U.S. House of Representatives' Judiciary Committee regarding the proposed merger between XM Satellite Radio and Sirius Satellite Radio, Washington, D.C., February 28, 2007
  • State Bar of New York