Nathan Aduddell

Associate, New York



Nathan is an associate in White & Case's international arbitration and litigation practices. Based in New York, Nathan represents companies and sovereign states in high-stakes, cross-border disputes around the world.

Nathan focuses his practice on international arbitration, including both commercial and investor treaty disputes. He has represented clients before the major arbitral institutions, including ICSID, the ICC, and the AAA/ICDR, as well as in ad hoc arbitrations under the UNCITRAL Rules.

Licensed in New York and Texas, Nathan also has experience representing clients before state and federal courts in the United States.

Nathan's experience spans a wide range of industries, including mining, energy, natural resources, financial services, insurance, construction, and hospitality. He has acted as counsel in cases arising in numerous jurisdictions, including in Europe, Latin America, Central Asia, and the United States.

Nathan received his Juris Doctor with Highest Honors from the University of Oklahoma College of Law, where he was an editor of the Oklahoma Law Review and competed in the moot court program, winning Regional Champion in the ABA National Appellate Advocacy Competition and First Place in the Calvert Moot Court Competition. Nathan's achievements earned him admission into the Order of the Coif, Order of the Barristers, and National Order of the Scribes, and he was honored as a Comfort Scholar and recipient of the Paul K. Frost Award. Today, Nathan serves on the OU Law Young Alumni Board and as a member of the Second Century Scholarship Society.

Before going to law school, Nathan studied theatre at Marymount Manhattan College in New York City. He continues to use that training today.From finding creative solutions to presenting a compelling case, Nathan uses his background in the arts to enhance his work in the law.

Bars and Courts
New York State Bar
Texas State Bar
University of Oklahoma College of Law
Theatre Performance
Marymount Manhattan College


Investor Treaty Arbitration

  • Representing the Republic of Uzbekistan in an ICSID arbitration under the Kazakhstan-Uzbekistan BIT.
  • Representing a sovereign state in an ICSID arbitration arising out of a mining dispute.

Commercial Arbitration

  • Representing an insurer in a coverage dispute arising from MTBE liability.
  • Advising a multinational oil and gas company in a dispute arising out of a pipeline agreement.
  • Acting as counsel in an arbitration arising out of distributorship agreement.
  • Represented Grupo Unidos por el Canal (GUPC) and its European partners in a dispute with the Panama Canal Authority (ACP) regarding the construction of the new locks at the Panama Canal.
  • Represented an international energy company asserting a defense of force majeure in an ICC arbitration concerning the effect of government action on a cross-border gas supply agreement governed by New York law.*
  • Represented international energy companies in a number of disputes arising out of farmout and joint operating agreements.*


  • Defended a tax services company against claims of breach of contract and fraud in Texas federal court.*
  • Represented a group of inmates challenging the conditions of confinement in U.S. federal court, including arguing before the U.S. Court of Appeals for the Fifth Circuit.*


*Matters worked on prior to joining White & Case


Co-Author, Charting the Seas of Antitrust: Trends and Direction in Antitrust Law, State Bar of Texas — 12th Annual In-House Counsel Course (2013)

Co-Author, Texas Oil and Gas Case Law Update, TADC (Fall 2011 & Spring 2012 eds.)

Co-Author, Practical Considerations & Ethical Traps in Joint Representation, State Bar of Texas — Advanced Patent Litigation Course (2010)