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Catherine McCarthy's practice focuses on complex litigation and arbitration, with an emphasis on cross-border disputes and states and state actors as parties. She also represents clients in compliance and enforcement matters. Catherine maintains an active pro bono practice with an emphasis on civil rights.

Catherine graduated from Yale Law School, where she served as Editor-in-Chief of the Yale Journal of Law & Feminism and represented veterans in federal litigation through the Veterans Legal Services Clinic, including in oral argument before the en banc Court of Appeals for Veterans Claims and in a certified nationwide class action in federal district court. Catherine also worked as a legal intern in the Department of Justice's Human Rights and Special Prosecutions Section, which investigates and prosecutes war crimes and other international violent crimes.

Ms. McCarthy serves as Associate Editor of Arnold & Porter's Enforcement Edge Blog.


Uncertain Future for China Initiative After It Closes Two Cases
Enforcement Edge: Shining Light on Government Enforcement
Engineering Professor Acquitted in Latest Setback to DOJ’s “China Initiative”
Enforcement Edge: Shining Light on Government Enforcement
New Bill Continues Crackdown on Foreign Influence on US Research
Enforcement Edge: Shining Light on Government Enforcement
Lawyers' Committee for Civil Rights Under Law Sues Postmaster General DeJoy and Other Officials for Disrupting 2020 Election Cycle



  • J.D., Yale Law School, 2019
  • B.S., Psychology, Brown University, 2012, with honors
  • B.A., English Literature, Brown University, 2012, with honors


  • District of Columbia