Jonathan Gleklen is a partner in the Washington, D.C. office of Arnold & Porter, where he serves as chair of the firm’s U.S. antitrust practice group. His practice focuses on antitrust issues affecting clients in high technology and network industries, including government merger review and investigations of alleged anticompetitive conduct, civil litigation, and counseling. He regularly represents clients before the Antitrust Division of the Department of Justice, the Federal Trade Commission, and state attorneys general and has been ranked as a leading antitrust lawyer by publications including Chambers USA, PLC’s Competition Law Handbook, Super Lawyers, and the International Who’s Who of Competition Lawyers and Economists. Mr. Gleklen was one of nine US antitrust lawyers identified as a "Client Service All-Star" in 2019 based on a poll of senior in-house counsel by BTI Consulting Group. He received the same recognition in 2016.
Mr. Gleklen serves as the Chair Elect of the American Bar Association’s Section of Antitrust Law and will become the Chair of the Section in 2021. He previously served as Vice Chair, Committee Officer, Publications Officer and International Officer. He frequently speaks and writes on antitrust subjects, serving as the Editorial Chair of Antitrust Law Developments (7th ed. 2012), the leading two-volume antitrust treatise, and earlier as Editorial Chair of the Antitrust Law Journal.
Mr. Gleklen graduated from Yale University 1988 and from University of Chicago Law School in 1993.