Geoffrey M. Klineberg practices primarily in the areas of administrative law and appellate litigation, representing clients in matters before the Federal Communications Commission, as well as before the United States Supreme Court and various federal district and appellate courts. More recently, he has represented clients in several high-profile antitrust litigation matters against both the Department of Justice and the Federal Trade Commission.
Geoff joined the firm in August 1995 and has been a partner since January 1998. From June 2020 to June 2021, he served as the 49th President of the D.C. Bar.
Geoff also regularly advises clients on the applicability of the Rules of Professional Conduct, having served for seven years on the D.C. Bar Legal Ethics Committee, completing the last three years as Chair. He currently serves as the Chair of the D.C. Court of Appeals Committee on Unauthorized Practice of Law.
In August 2013, Geoff returned to the firm after a one-year leave of absence as the Counselor on International Law in the Office of the Legal Adviser at the U.S. Department of State, providing advice on a wide variety of litigation issues and working with the Department of Justice and other governmental agencies to formulate the litigation position of the United States. Since returning to the firm, he has represented clients on matters relating to foreign official immunity, foreign sovereign immunity, and international comity.