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Stephen M. Medlock

Stephen M. Medlock

T +1 202-263-3221
F +1 202-263-5221
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Stephen Medlock, a senior associate, focuses his practice on antitrust litigation and criminal investigations, with an emphasis on the application of US antitrust law to allegations of foreign anticompetitive conduct. He handles all substantive aspects of antitrust matters, including drafting dispositive motions, planning and executing discovery strategies, taking and defending depositions, working with expert witnesses, preparing witnesses to testify at trial and before grand juries, advocating before the US Department of Justice and Federal Trade Commission, and counseling clients concerning on-going antitrust risks. Stephen has been integrally involved in many highly sensitive matters that have been resolved favorably with minimal negative media attention.

Antitrust Litigation. Stephen’s representations have included some of the largest antitrust and unfair competition cases filed by private plaintiffs and the class action bar. These matters have included a variety of legal theories including price-fixing, monopolization, exclusive dealing, tying, Robinson-Patman Act violations, patent misuse, and business torts. Recently, Stephen helped obtain summary judgment for Nestlé USA in In re Chocolate Confectionery Antitrust Litigation, one of the largest multi-district antitrust class actions to date. In 2015, Global Competition Review nominated In re Chocolate Confectionery Antitrust Litigation as “Litigation of the Year, Cartel Defense: Creative, Strategic, and Innovative Litigation on Behalf of a Defendant.”

Criminal Antitrust Investigations. Stephen regularly defends organizations and individuals facing criminal antitrust investigations. He assists in conducting sensitive internal investigations, counseling clients on potential criminal exposure, advocating for clients before the US Department of Justice, and preparing individuals to testify before grand juries. In addition, Stephen has authored multiple articles concerning how organizations should respond to search warrants executed in antitrust investigations. Many of these criminal matters have been resolved without indictment.

International Antitrust. Stephen has a deep understanding of the extraterritorial application of U.S. antitrust law to allegedly anticompetitive foreign conduct. He frequently litigates and counsels clients on issues related to the jurisdictional limits of US courts, the collection of evidence abroad, the application of US antitrust law to foreign business practices, and how foreign executives should respond to criminal antitrust investigations in the US. Stephen also has spoken and written on the implications of international antitrust litigation and investigations in multiple forums.

Stephen regularly participates in the American Bar Association’s Section of Antitrust Law where he is the Young Lawyer Representative to the Exemptions & Immunities Committee.
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