Leah Brannon

Leah Brannon’s practice focuses on antitrust matters, including litigation, merger review, and government investigations. She has represented clients in various industries including high technology, advertising, consumer products, manufacturing, pharmaceuticals. Her work has involved cases in both federal and state courts, and she has advised clients in investigations by the U.S. Department of Justice, the Federal Trade Commission, state antitrust authorities and the European Commission.

Leah has helped to secure critical wins for clients in numerous cases, including monopolization and conspiracy litigation. Currently, she is defending Keurig in a massive multidistrict monopolization litigation in the Southern District of New York. Leah has also helped clients obtain global merger clearance in complex transactions and has guided clients through government conduct investigations. She is also active in the firm’s pro bono practice.

Joined firm, 2003; became partner, 2008; current co-leader of the firm’s Antitrust Practice Group; Clerkships: Chief Justice William H Rehnquist, US Supreme Court (2002-03); Chief Judge Douglas H. Ginsburg, US Court of Appeals, DC Circuit (2000-01); JD, magna cum laude, Harvard Law School (1999); BA, with highest distinction, University of Virginia (1995).

Leah has held leadership roles in the American Bar Association’s Antitrust Law Section since 2009, including co-chairing the Section’s Presidential Transition Task Force, serving as a Section Council member (2017-2020) and working on the Section’s Long Range Planning Committee. Currently, she serves as co-chair of the Comments and Policy Committee, leading the Section’s work to comment on proposed legislation and requests for comment by antitrust enforcers, as well as other important public comment opportunities.