Stephen M. Medlock

Washington,  DC  U.S.A.

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Experience & Credentials

Practice Areas

  • Antitrust & Competition
  • Litigation & Dispute Resolution
  • Commercial Litigation
  • Franchise & Dealer
  • Toxic Tort
  • White Collar Defense & Compliance
Contact InfoTelephone: 202-263-3221
Fax: 202-263-5221
University Georgetown University, B.S.F.S., International Politics, 2006
Law SchoolAmerican University Washington College of Law, J.D., cum laude, 2009
Admitted2009, Virginia; 2014, US Court of Appeals for the Third Circuit; 2010, District of Columbia
LanguagesEnglish; Russian

Stephen Medlock is an associate in Mayer Brown's Litigation & Dispute Resolution practice. He focuses on representing some of the world's largest companies and corporate executives in private antitrust litigation, white collar investigations, and complex merger clearances. His substantive litigation experience includes successful pre-trial motions, taking and defending depositions, successful substantive motions, trial preparation, and post-trial motions practice in class action matters, criminal and civil investigations brought by the Department of Justice and Federal Trade Commission, and private party actions. Stephen's white collar experience includes counseling clients on criminal antitrust compliance measures, advocating before the Department of Justice, and preparing clients to testify before grand juries. Stephen's merger experience includes domestic and international merger review, notification filings, advocating before the FTC and DOJ, and counseling and defending clients in connection with potential acquisitions.

Outside of the antitrust field, Stephen has experience defending and counseling clients in trade secrets actions, contact disputes, and environmental litigation.

During law school, he was a legal clerk to the Hon. Richard D. Bennett of the US District Court for the District of Maryland and the United States Department of Justice, Criminal Division. He was also awarded the Mooers Trophy for being the outstanding trial advocate in his law school class. He is currently the Yong Lawyer Representative to the Exemption and Immunities Committee of the American Bar Association's Antitrust Section.

Stephen has contributed to a number of publications in the field of antitrust. In 2013, the Institute of Competition Law recognized A Policy Divided Against Itself? Health Care Reform and FTC Enforcement Policy as the best general antitrust article by a private practitioner.


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The Cartel Report: Commentary on Antitrust Enforcement from Around the World
Robert E. Bloch,Kiran S. Desai,Adam L. Hudes,Kelly B. Kramer,Stephen M. Medlock, February 27, 2015
Not too long ago, many countries—perhaps even most countries—either did not criminalize cartel conduct or did not enforce the laws prohibiting cartels. In the past 20 years or so, that has changed dramatically. Today, cartels, “the supreme evil of antitrust,” are unlawful...

Striking the Balance: The Views of International Competition Agencies on the Extraterritorial Application of US Antitrust Law
Robert E. Bloch,Kelly B. Kramer,Stephen M. Medlock, November 14, 2014
Foreign competition authorities have long been concerned about the application of US antitrust law—in particular civil claims for treble damages—to conduct occurring outside the United States. Over the years, courts and Congress have adopted different tests for determining when US...

Ninth Circuit Decision Clarifies the Applicability of US Antitrust Law to Foreign Conduct; Leaves Some Ambiguities
Robert E. Bloch,Kelly B. Kramer,Stephen M. Medlock, July 17, 2014
One of the most important topics in cartel enforcement today is the extent to which the Foreign Trade Antitrust Improvements Act (“FTAIA”) limits the extraterritorial reach of the Sherman Act. On July 10, 2014, the Ninth Circuit weighed in on this question by affirming a broad...

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Office Information

Stephen M. Medlock

1999 K Street, N.W.
WashingtonDC 20006-1101


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