John H. Shenefield concentrates his practice on antitrust-related litigation and counseling. With experience serving as lead counsel in national and regional antitrust lawsuits, John advises on issues ranging from mergers and acquisitions (M&A) to government investigations. Clients often retain him to advise boards of directors, render a second opinion, or act as an arbitrator. John also has experience handling antitrust matters before the European Commission and the United Kingdom’s Office of Fair Trading.
John is also a former member of the Antitrust Modernization Commission, created by act of Congress. Before joining Morgan Lewis in 1986, John held several high-ranking positions at the Department of Justice (DOJ), including Assistant Attorney General in charge of the Antitrust Division from 1977-1979 and Associate Attorney General from 1979-1981. He also chaired the National Commission to Review Antitrust Laws and Procedures from 1978-1979.
In addition to supervising antitrust prosecutions as Assistant Attorney General, John was also responsible for merger enforcement and the formulation of competition policy. He guided the Antitrust Division’s relationship with foreign governments, and with the Organization for Economic Cooperation and Development, attending meetings of the organization’s competition officials as chairman of the US delegation. He also supervised a group of celebrated international prosecutions in the uranium and North Atlantic shipping industries.
As Associate Attorney General, John presided over DOJ civil litigation proceedings, and supervised immigration-related matters and a number of intelligence and counterintelligence activities.
John has published on a wide variety of antitrust topics and lectured extensively on antitrust issues in both the United States and abroad. He is currently an adjunct fellow at the Hudson Institute.
John has served as the firm’s chairman, and also chaired its Antitrust and Trade Regulation Section.
Harvard Law School, 1965, LL.B.
Harvard University, 1960, A.B.
District of Columbia
U.S. Supreme Court
Awards and 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 Who's Who Legal: Competition (2013–2015)
Listed as Recognized, Competition/Antitrust, PLC Which Lawyer? Yearbook 2008