Claire A. DeLelle | White & Case LLP International Law Firm, Global Law Practice
Claire DeLelle
Claire DeLelle

Claire A. DeLelle

Partner, Washington, DC

T +1 202 626 6485



Claire DeLelle focuses on commercial litigation and pre-litigation counseling and resolution, representing domestic, foreign and foreign-sovereign clients in complex commercial litigations at all levels in federal and state courts. She has argued before federal and state courts, at both the trial and appellate levels, and has also second-chaired federal trials, including obtaining a multimillion-dollar award in favor of a plaintiff-client. She has also defended a former CEO of a UK-headquartered company in a US criminal jury trial.

Ms. DeLelle has represented foreign sovereign and diplomatic clients in civil litigations involving the act-of-state doctrine, the political question doctrine, the Foreign Sovereign Immunities Act and the Vienna Convention on Diplomatic Relations. She also counsels clients regarding US sanctions laws administered and enforced by the Department of Treasury’s Office of Foreign Assets Control.

Bars and Courts

  • New York State Bar
  • Maryland Bar
  • District of Columbia Bar
  • US Court of Appeals for the Ninth Circuit
  • US Court of Appeals for the Fourth Circuit
  • US Court of Appeals for the Third Circuit
  • US Court of Appeals for the Second Circuit
  • US District Court for the Southern District of New York
  • US District Court for the Eastern District of New York
  • US District Court for the District of Columbia
  • US District Court for the District of Maryland


  • LLM, Washington College of Law, American University
  • LLB (Hons), University of Aberdeen, Scotland


  • English


Obtained order on behalf of Indonesian state-owned bank vacating multimillion-dollar writs of attachment against five US correspondent banks.

Represented liquidators of hedge fund in various US actions, including securities fraud actions, in context of cross-border litigation centered in the Channel Islands.

Represented a Saudi partnership in the Ahmad Hamad Algosaibi & Bros. Co. v. Stewart civil litigation in the Central District of California seeking to recover the proceeds of a US $10 billion fraud; successfully argued motion to dismiss counterclaim alleged under Bahrain law.

Represented a foreign sovereign in numerous terrorism civil actions, resulting in the execution of an historic claims-settlement agreement with the United States.

Obtained the dismissal of multimillion dollar counterclaims against client in 'International Finance Corporation v. Carrera Holdings, Inc.' in the New York Supreme Court, Commercial Division; affirmed by the First Department, Appellate Division.

Speaking Engagements

"Ancillary U.S. Proceedings: Chapter 15 and 28 U.S.C. § 1782", hosted by Kleyr Grasso Associes, Luxembourg, (Presenter)

"How to Avoid an All-Expenses-Paid Holiday to the Western District of Texas", sponsored by the Jersey Law Institute, St Helier, Jersey, Channel Islands, (Presenter)


  • US Appeals Court Upholds Bondholder's Discovery of Argentina's Foreign Assets, Client Alert, (author)
  • The long arm of US import-export laws, Insurance Day, (author)