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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, who leads the Issues & Appeals Practice in Dallas, 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 encompasses drafting dispositive motions and other trial briefs, formulating litigation strategies, and counseling clients in non-litigation contexts.

Thomas helps clients untangle complex legal issues, such as preemption, standing, federal jurisdiction, and the interplay of foreign and domestic law, across a broad range of industries and substantive disputes. 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 representations include the Fifth Circuit's reinstatement of a client's previously dismissed lawsuit on sovereign immunity grounds and the successful resolution of a contentious proxy dispute for the officer of a real estate investment trust (REIT) and affiliated entities. 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 Coordinator 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.

Areas of Focus

Honors & Distinctions

  • Impact Award, Poverty Law Section, State Bar of Texas (2017)

    D Magazine "Best Lawyers in Dallas" (2017, 2015)
Thomas Allen