Lucie Hidlay Duvall is an antitrust partner in the Washington, D.C., office of Kirkland & Ellis LLP. Her practice focuses primarily on antitrust and consumer protection matters, including data privacy and security issues. She has a wide range of experience in regulatory and criminal investigations and related litigation, internal investigations, class action litigation and compliance counseling. She has served clients across a diverse range of industries, including technology, telecommunications, fintech, real estate, health and wellness, pharmaceuticals, healthcare and government contracting.

Lucie also maintains an active pro bono practice, advising and defending individuals and nonprofit organizations in connection with immigration, record expungement, privacy, military benefits and election law matters.


Thought Leadership


"New York’s Enhanced Automatic Renewal Law Imposes Additional Disclosure Requirements on Business-to-Consumer Contracts," Kirkland Alert, February 4, 2021 

“The Other Tech-Focused Initiative: The FTC’s Expanding Consumer Protection Efforts Targeting E-Commerce,” Antitrust, August 13, 2020

"Data Security Considerations for Businesses Allowing or Encouraging Employees to Work Remotely," Kirkland Alert, March 17, 2020 

Memberships & Affiliations

Virginia Bar Association

D.C. Bar Association


Admissions & Qualifications

  • 2017District of Columbia
  • 2016Virginia


  • University of Virginia School of LawJ.D.2016

    Articles Editor, Journal of Law & Politics

    Innocence Project Clinic

  • University of VirginiaB.A., Global Development Studies and Foreign Affairswith Distinction2013