Barton Legum

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Practice Areas

Bart Legum is a partner, Global Co-Chair Litigation and Dispute Resolution, and Head of the firm's investment treaty arbitration practice. Bart has over 30 years' experience in litigating complex cases and has argued before numerous international arbitration tribunals, the International Court of Justice and a range of trial and appeals courts in the United States. His practice focuses on international arbitration in general and arbitration under investment treaties in particular.


Chief, NAFTA Arbitration Division, United States Department of State, 2000-04;

Debevoise & Plimpton, 2004-08, 1987-99. Qualified New York 1988; Paris 2008.

Professional Memberships

Member, Board of Arbitration Institute of Stockholm Chamber of Commerce.

Past Chair, ABA Section of International Law.


University of Paris II, DEA in public international law (1987);

University Georgia Law School, JD magna cum laude (1985).