Morgan Lewis

Related Publications

05/21/07 The Role of the Corporation in America: How Are the Rules of Corporate Governance and Antitrust Law Evolving?, presented at The Hudson Institute Center for Economic Policies Panel Discussion, Washington, D.C.
04/16/07 Is the Assumption Valid that Cartels are Fragile and Temporary—Particularly Because of the Difficulty of Controlling Cheating?, presented at Georgetown University Law Center's Conservative Economic Influence on U.S. Antitrust Policy Conference, Washington, D.C.
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Related News

06/19/08 Antitrust Partner Receives Achievement Award
Antitrust partner John Shenefield received the AAI Antitrust Achievement Award during the American Antitrust Institute's annual national conference.
05/21/07 Morgan Lewis Antitrust Partner John Shenefield Participates in Hudson Institute Center Panel
Morgan Lewis Antitrust Partner John Shenefield participated in a panel discussion titled “The Role of the Corporation in America: How Are the Rules of Corporate Governance and Antitrust Law Evolving?”
02/22/07 Morgan Lewis's Antitrust Practice Recognized as Leading Competition Practice
Morgan Lewis is pleased to announce that the Antitrust Practice and several of its attorneys are recognized in both the PLCCross-border Competition Handbook 2006/2007 and Global Competition Review’s GCR 1.
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Photo of  John H. Shenefield

honors + affiliations

Member, American Bar Association

Former Chair, American Bar Association, Standing Committee on Law and National Security

Former Chairman, Virginia Racing Commission

Former President, Washington National Cathedral Association

Former Chairman, Chapter, Washington National Cathedral

Former Member, Antitrust Modernization Commission

Listed, The Best Lawyers in America (2006–2011)

Listed, Global Competition Review's International Who's Who of Competition Lawyers & Economists (2013)

Listed as Recognized, Competition/Antitrust, PLC Which Lawyer? Yearbook 2008

AV rated by Martindale-Hubbell

Recipient of AAI Antitrust Achievement Award

bar admissions

  • District of Columbia

Court Admissions

  • U.S. Supreme Court
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John H. Shenefield

Washington, D.C.
1111 Pennsylvania Ave., NW
Washington, DC 20004-2541
United States
Phone: +1.202.739.5220
Fax: +1.202.739.5651

John H. Shenefield is a counsel in Morgan Lewis's Antitrust Practice. Mr. Shenefield’s practice concentrates on antitrust litigation and counseling. Mr. Shenefield has served as lead counsel in a number of national and regional antitrust litigations. His counseling practice involves issues ranging from mergers and acquisitions to government investigations. He is retained to counsel boards of directors, render second opinions, or act as an arbitrator. Mr. Shenefield also is involved in international antitrust issues and has handled matters before the European Commission and the United Kingdom’s Office of Fair Trading. He was a member of the Antitrust Modernization Commission, created by act of Congress.

Before joining the firm in 1986, Mr. Shenefield held several high-ranking positions at the U.S. Department of Justice, including serving as Assistant Attorney General in charge of the Antitrust Division from 1977-1979, and as Associate Attorney General of the United States from 1979-1981. He also served as chairman of the National Commission to Review Antitrust Laws and Procedures from 1978-1979. 

In addition to supervising all antitrust prosecutions, as Assistant Attorney General Mr. Shenefield was responsible for merger enforcement and the formulation of competition policy. He also guided the Antitrust Division’s relationship with foreign governments and with the Organization for Economic Cooperation and Development, attending meetings of its competition officials as chairman of the U.S. delegation.  Mr. Shenefield also supervised a group of celebrated international prosecutions in the uranium and North Atlantic shipping industries.

As Associate Attorney General, he presided over all of the civil litigation handled by the Department of Justice and had supervisory responsibility for immigration, and certain intelligence and counterintelligence activities.

Mr. Shenefield was in private practice for 12 years before joining the Department of Justice. He has written articles on a wide variety of antitrust topics and speaks frequently on the subject of antitrust law and policy. Mr. Shenefield has also lectured extensively on antitrust at programs in both the United States and abroad, and currently is an Adjunct Fellow at the Hudson Institute.

Active in firm management, he has served as chairman of the firm and also of the Antitrust and Trade Regulation Section.

Mr. Shenefield is admitted to practice in the District of Columbia and before the U.S. Supreme Court.


  • Harvard Law School, 1965, LL.B.
  • Harvard College, 1960, A.B.