Melanie Katsur

About Melanie Katsur

Melanie Katsur is a partner in Gibson, Dunn & Crutcher’s Washington, D.C. office. She practices in the firm’s Litigation Department, and she is a member of the firm’s Antitrust and Competition and Class Action Practice Groups.Ms. Katsur has substantial experience defending clients in complex commercial litigation matters in state and federal courts, including appellate courts, with a focus on antitrust and class actions. Ms. Katsur’s antitrust litigation experience includes representing clients in disputes in a range of industries, including financial services and consumer products. She has represented companies in class actions involving a range of antitrust-based claims, including allegations of price fixing.Ms. Katsur’s general class action litigation experience includes multi-district litigation, actions in state and federal courts (both trial and appellate), and the representation of clients in a wide variety of industries, such as insurance, consumer products, securities, and healthcare.Ms. Katsur also has represented companies confronting investigations by regulatory authorities, including the U.S. Department of Justice, with parallel lawsuits filed by state attorneys general and the private class action bar. In addition, she has significant experience representing clients before arbitration panels.Prior to joining the firm in 2002, Ms. Katsur served as a law clerk for the Honorable Susan H. Black of the U.S. Court of Appeals for the Eleventh Circuit. She earned her law degree cum laude from Duke University School of Law in 2001, where she was a Staff Editor for the Journal of Law and Contemporary Problems and a member of the Moot Court Board. Ms. Katsur earned a Bachelor of Arts degree magna cum laude in English and Political Science from Boston College in 1998, where she was a member of the Political Science Honors Program and Phi Beta Kappa.Ms. Katsur is a member of the firm’s Pro Bono and Diversity Committees, and she previously served on the firm’s Hiring Committee. In 2014, the Gibson Dunn Pro Bono Committee awarded Ms. Katsur with the Frank Wheat Memorial Award for her outstanding achievements and commitment to pro bono initiatives. Ms. Katsur is admitted to practice in the Commonwealth of Pennsylvania and the District of Columbia, as well as numerous federal district and appellate courts, including the United States Supreme Court.

Experience

1. Partner

   Gibson Dunn

   Jan 2026 — Present

Education

• Duke University School of Law

  J.D.

  1998 — 2001

• Boston College

  Bachelor of Arts - BA

  1994 — 1998