Mayer Brown

Mayer Brown‘s antitrust practice is led by Britt Miller in Chicago , with William Stallings providing leadership from Washington, DC. The team handles complex cross-border matters and high-stakes litigation under domestic and international antitrust law. Miller advises on antitrust and commercial disputes, including matters involving price-fixing, market allocation, monopolization, and alleged conspiracies. Stallings provides counsel on domestic and global merger reviews, government investigations, cartel matters, class action litigation, and government procurement, appearing before the US Department of Justice and the Federal Trade Commission. In DC, Carmine Zarlenga has more than 25 years of experience and has appeared in over 50 state and federal courts for national and international companies. Matthew Provance based in Chicago has litigated high-profile federal antitrust cases and brings experience in technology and data privacy matters. Timothy B Leake assists with litigation strategy, drafting motions and briefs, and advising clients across multiple sectors in Chicago . Andrew Marovitz contributes experience in antitrust litigation and multi-jurisdictional disputes. All lawyers mentioned above are based in Chicago unless otherwise stated. Gail Levine departed in January 2026.