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Thomas Sullivan is a litigator who represents clients in high-stakes patent litigation and investigation matters, and also maintains an active pro bono practice.

Mr. Sullivan has experience representing clients at all stages of litigation at various district courts and appeals at the Federal Circuit. Before attending law school, Mr. Sullivan worked as a chemist for a global consumer goods corporation.

  • Representing a leading pharmaceutical company in Hatch-Waxman litigation in the District of Delaware.
  • Represented a major pharmaceutical company in patent litigation in the District of Delaware related to an orphan drug for the treatment of a rare genetic disease.
  • Represented a pioneer pharmaceutical company in Hatch-Waxman litigation in the District of Delaware concerning a treatment for chronic pain.
  • Represented several pharmaceutical companies in appeals to the Federal Circuit.

Memberships and Affiliations

  • Federal Circuit Bar Association
  • American Chemical Society

Previous Experience

  • Judicial extern for Hon, Jimmie V. Reyna of the U.S. Court of Appeals for the Federal Circuit (2015)
  • Washington DC Super Lawyers, IP Litigation "Rising Star" (2020)
  • Capital Pro Bono High Honor Roll (2017)