Margot Mooney is a senior associate in the Litigation Department of Willkie Farr & Gallagher. Margot has extensive experience in complex litigations and domestic/cross-border regulatory proceedings, involving a wide range of substantive law, including sanctions, bankruptcy, regulatory compliance, Anti-Terrorism Act, data privacy and contractual matters.


  • Coordinating Comment Editor, The Journal of Criminal Law and Criminology, Northwestern University School of Law
  • Represented clients through the Bluhm Legal Clinic’s Children and Family Justice Center
  • SEC Privacy Risk Alert may Foreshadow Upcoming Reg S-P Enforcement Against Broker-Dealers, Investment Advisers
  • Hertz Pursues Novel Theory to Hold Former Management Team Personally Liable for Restatement and Ensuing Legal Proceedings
  • "Ninth Circuit Decision to Uphold Preliminary Injunction in hiQ v. LinkedIn Reinforces Narrow Interpretation of CFAA," Willkie Client Memo (September 19, 2019)

Margot has advised on the following selected significant matters*.

  • Represented ad hoc group of holders of subrogation insurance claims in litigation related to the utility company’s liability for 2017 and 2018 California wildfires.
  • Represented global private equity firm/buyer in putative securities class action under Washington State Securities Act.
  • Represented specialty finance and private equity firms in connection with New York State contract disputes.
  • Represented Nortel Networks, Inc. and affiliates in their Chapter 11 proceedings involving multi-year cross-border litigation proceedings in the U.S., Canada, and Europe.
  • Represented a major foreign financial institution in U.S. Attorney’s Office for the Southern District of NY investigation into potential sanctions violations.
  • Represented major financial institution on GDPR, US CLOUD ACT, Gramm-Leach-Bliley Act, and data privacy generally as related to regulator exam responses, litigation, and regulatory enforcement work.
  • Represented Crédit Lyonnais and National Westminster Bank in lawsuits in New York federal court based upon allegations under the Anti-Terrorism Act that the banks are responsible for acts of international terrorism because they maintained accounts for Palestinian charities in France and England.
  • Represented pro bono client in Tennessee in a declaratory judgment proceeding challenging the calculation of his life sentence.
  • Represented pro Bono Criminal Justice Act representations of individuals charged with drug related offenses.


* Margot advised on some of these matters prior to joining Willkie.



Northwestern University School of Law, J.D., 2013 Trinity College, B.A./M.A., 2010

Bar Admissions

New York, 2014 New Jersey, 2013

Court Admissions

United States District Court, Southern District of New York