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Thomas F. Allen Jr.


(T) +1.214.969.4517
(F) +1.214.969.5100


  • Harvard University (J.D. cum laude 1999; Notes Editor, Harvard Law Review); Yale University (B.A. in English magna cum laude 1994)

Bar Admissions

  • Texas; U.S. District Courts for the Northern, Southern, and Eastern Districts of Texas; and U.S. Courts of Appeals for the Second and Fifth Circuits


  • Law Clerk to the Honorable Will Garwood, U.S. Court of Appeals, Fifth Circuit (1999-2000)

Thomas Allen leads Jones Day's Issues & Appeals practice in Dallas. He has presented numerous oral arguments in federal and state appellate courts, including the U.S. Court of Appeals for the Fifth Circuit and the Texas Supreme Court. His practice also includes drafting dispositive motions and other trial briefs, formulating litigation strategies, and counseling clients in nonlitigation contexts.

Thomas represents clients in a wide range of substantive areas, such as contract, antitrust, trade secret, energy, business tort, and securities matters. In the Fifth Circuit, he has argued issues of constitutional and statutory interpretation, as well as the obligations of federal courts under an international treaty. Recent victories include dismissal of an appeal against a corporate officer and affiliated entities in a shareholder proxy dispute and reinstatement of another client's previously dismissed lawsuit on sovereign immunity grounds. Before joining Jones Day, Thomas successfully argued in the Texas Supreme Court on behalf of a commercial tenant in Italian Cowboy Partners v. Prudential Insurance Company, which clarified an important area of Texas contract law.

Thomas is the Pro Bono Partner for the Firm's Dallas Office. Among other pro bono representations, he led the Jones Day team in obtaining (with co-counsel) a unanimous victory in Campbell v. Wilder, a high-profile access-to-justice case in the Texas Supreme Court. Thomas also serves on the board of directors for the Dallas Zoo.

Thomas Allen