Antitrust
With numerous victories against the DOJ, FTC, and state attorneys general, Cleary Gottlieb Steen & Hamilton‘s antitrust team boasts a strong track record in merger litigation. Renowned for its work on significant mandates, the team handles everything from complex litigation to high-stakes civil and criminal investigations. Recent highlights include advising prominent clients in the media, food and beverage, TMT, and real estate sectors. Co-chair Leah Brannon, based in Washington DC, oversees high-profile competition litigation in both federal and state courts. Also in DC, George Cary and Jeremy Calsyn bring extensive expertise in complex monopolization, merger disputes, and class action litigation. Operating out of the Bay Area, co-chair Heather Nyong’o is a skilled litigator who frequently represents multinationals and executives, guiding them from investigations to trials and appeals. Splitting his time between the East and West Coasts, Brian Byrne is an adept defender of clients involved in class action and Sherman Act antitrust lawsuits.
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Profile
Position
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. She 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.
Career
Ms. Brannon joined the firm in 2003 and became a partner in 2008.
Memberships
Council Member, Section of Antitrust Law, American Bar Association
Education
Ms. Brannon received a J.D. degree, magna cum laude, from Harvard Law School in 1999 and a B.A. with highest distinction from the University of Virginia in 1995. 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.
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Key clients
- Cushman & Wakefield Equifax Fox Humana Keurig Medtronic RTX/Pratt & Whitney T-Mobile Varsity Brands Walgreens
Work highlights
Defending Medtronic in antitrust litigation brought by Applied Medical Resources.