Luke Sullivan

Associate Washington, D.C.


Luke Sullivan
Luke Sullivan is an associate in Weil’s Complex Commercial Litigation practice and is based in the Washington, D.C. office. He focuses on complex, high-stakes business disputes in trial and appellate courts around the country, as well as before arbitration tribunals, and government investigations.

Luke represents companies and individuals in civil litigation as plaintiffs and defendants. His practice spans consumer protection law, contract disputes, fraud claims, fiduciary duty breaches, and a wide variety of state tort law, among other areas. 

Some of Luke’s recent experience includes serving on teams*:

  • Representing a global food and beverage company in a dispute with a supplier regarding exclusive distribution rights to certain beverage products;
  • Representing a major Class I railroad in a petition for certiorari to the U.S. Supreme Court;
  • Representing a social media company in a class action concerning data privacy;
  • Representing an e-commerce retailer as the plaintiff in a fraud dispute;
  • Representing a Fortune 500 company in a post-transaction tax dispute; and,
  • Representing a drug manufacturer in a multi-year congressional investigation and preparing the company’s CEO to testify before Congress.

In addition, Luke has experience representing companies facing government and congressional investigations, including companies facing parallel criminal, civil, and regulatory proceedings. He has also prepared CEOs and other senior executives for testimony before Congress.

After law school, Luke served as a law clerk to the Honorable Timothy M. Tymkovich, Chief Judge of the United States Court of Appeals for the Tenth Circuit. He then practiced at another international law firm before joining Weil. Luke earned his law degree, magna cum laude and Order of the Coif, from Georgetown University Law Center, where he served as the Senior Notes Editor of the Georgetown Law Journal. Prior to law school, Luke served as an analyst at a financial technology company. He received his undergraduate degree, cum laude, from the College of the Holy Cross.

* includes matters handled prior to joining Weil

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