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Leah Brannon



  • Partner, Cleary Gottlieb

    Washington, D.C.

Experience & Areas of Interest:

Ms. Brannon joined the firm in 2003 and became a partner in 2008. Her practicefocuses on antitrust matters, including mergers and litigation, and appellate litigation. Ms. Brannon’s work has involved cases in both federal and state courts, and she has advised clients in investigations by the Department of Justice, the Federal Trade Commission, state agencies, and the European Commission. Ms. Brannon is distinguished as one of the leading antitrust lawyers by Chambers USA and she is listed in the U.S. Legal 500. In 2010, Ms. Brannon was named as one of Law360’s ten “rising stars” in antitrust law.

Ms. Brannon has taught antitrust as a teaching fellow at Harvard University and as an adjunct professor at Georgetown University. She is currently an Associate Editor of the ABA’s Antitrust Law Journal.

From 1996-1997, Ms. Brannon was a Fulbright Scholar in Egypt. From 2000-2001, she served as a law clerk to Chief Judge Douglas H. Ginsburg of the U.S. Court of Appeals for the District of Columbia Circuit, and from 2002-2003 she served as law clerk to Chief Justice William H. Rehnquist of the Supreme Court of the United States.


  • University of Virginia—B.A.. (with highest distinction), 1995

  • Harvard Law School, J.D.,magna cum laude. 1999


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