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Thomas G. Allen

Thomas G. Allen is a litigator, focusing his practice on international arbitration and cross-border disputes. He represents clients in a variety of industries with an emphasis on energy, manufacturing, construction, and aviation. Thomas has wide-ranging experience in high-value international and U.S. arbitrations. He also litigates the enforceability of arbitration clauses and arbitration awards in U.S. Courts. Thomas is a frequent lecturer on international arbitration topics and is a former adjunct professor in the international arbitration discipline. Before concentrating on international arbitration, Thomas began his career as a commercial litigator and has tried cases to verdict in both state and federal court. Thomas also counsels foreign and domestic clients on various U.S. government investigations and enforcement proceedings.


Esperienze Professionali

  • Defended major Japanese manufacturer and several of its U.S. subsidiaries in an ICC Arbitration involving claims in excess of $7 billion stemming from the claimed failure of certain critical components manufactured and supplied by clients to a nuclear generating station. Clients were found to be the “prevailing party,” and were awarded fees and costs in excess of $58 million.°
  • Defended against $400 million in claims of breach of contract and intellectual property infringement in an ICC arbitration seated in Zurich, Switzerland. The client, a heavy equipment designer and manufacturer, recovered in excess of $12 million in counter-claims.°
  • Represented a Japan-based aircraft component manufacturer in National Transportation Safety Board proceedings and ICC arbitration seated in Paris related to two highly publicized safety events on a newly designed long-haul aircraft fleet.°
  • Defended iconic U.S. guitar manufacturer in a high-profile Department of Justice and U.S. Fish and Wildlife Service criminal investigation alleging Lacey Act violations regarding exotic hardwood importation.°
  • Represent Japanese electric utility in ICC proceedings seated in Tokyo related to fuel supply agreements.°
  • Conducted a foreign government-commissioned study of applicable U.S. and California law related to liability and procedure for nuclear accident claims.°
  • Represented U.S. nuclear utility in multi-jurisdictional matters related to the storage and disposal of spent nuclear fuel. Representation included breach-of-contract claims as between plant owner-operators and former minority owners in ad hoc arbitration proceedings chaired by a former U.S. Attorney General and Chief Judge of the Southern District of New York.°
  • Represent solar energy developer in Japan Commercial Arbitration Association proceedings in dispute surrounding a solar power plant.°
  • Lead counsel in arbitration for breach-of-contract claims brought against U.S. based nuclear technology and consulting company.°
  • Represented aircraft manufacturer in U.S. Department of Labor whistleblower litigation under the AIR21 Act.°
  • Represented Japanese airline parts manufacturer for all U.S.-based contract and tort claims related to the alleged falsification of safety paperwork required for regulatory approval of their products.°
  • Represented airport owner and operator in dispute with the Federal Emergency Management Agency over the provision of disaster relief funds.°

°The above representations were handled by Mr. Allen prior to his joining Greenberg Traurig, LLP.

Riconoscimenti e Premi

  • Recognized, Washington Lawyers Committee for Civil Rights and Urban Affairs, “Outstanding Achievement in the Field of EEO Litigation,” 2011
  • Adjunct Professor, American University’s Washington College of Law, International Commercial Arbitration Summer Program, 2017
  • Board Member, Washington Lawyers Committee for Civil Rights and Urban Affairs, 2017 - present
  • Fundraising Campaign Co-Chair, Legal Aid Society of Washington, D.C., 2002-2014
  • Member, International Bar Association
  • Member, Inter-Pacific Bar Association


  • Laurea magistrale in Giurisprudenza, magna cum laude, The Catholic University of America, Columbus School of Law, 2002
  • Diploma di maturità, The Catholic University of America, 1997
  • District of Columbia
  • Virginia
Admitted in the District of Columbia and Virginia. Has not taken the Chinese national PRC judicial qualification examination. Not admitted in Japan.