Skip to main content
Esther Sohn

Esther Ha Yoon Sohn


Esther Sohn represents clients across a range of antitrust and competition matters, including investigations and complex civil antitrust litigation. She maintains an active pro bono practice.

Esther earned her J.D. from New York University School of Law, where she served as a Senior Executive Editor of the New York University Law Review. While in law school, Esther interned for the Honorable Patty Shwartz of the U.S. Court of Appeals for the Third Circuit.

Esther earned her B.S.F.S. from the Edmund A. Walsh School of Foreign Service at Georgetown University, summa cum laude.


  • Pfizer in its $43 billion acquisition of Seagen Inc., a world-leader in antibody-drug conjugates (ADCs).


Fourth Circuit Overturns Antitrust Conviction for Bid Rigging in Dual Distribution Case
Enforcement Edge: Shining Light on Government Enforcement



  • J.D., New York University School of Law, 2019
  • B.S.F.S., International Politics/International Law, Georgetown University, 2016, summa cum laude


  • New York
  • U.S. District Court, Southern District of New York