David LeRay is Of Counsel in Quinn Emanuel’s New York office. He joined the firm in 2013. His practice focuses on antitrust, intellectual property, and class action litigation.
David has secured over $3 billion in settlements for his clients through his plaintiff-side antitrust practice. David played a central role in the matter In re Credit Default Swaps Antitrust Litigation, which resulted in a $1.86 billion settlement for the class of CDS traders. David also played a central role in achieving class certification in the matter Iowa Public Employees Retirement System et al. v. Bank of America Corp., which resulted in a settlement with nearly all Defendants for $580 million.
In the case City of Philadelphia v. Bank of Am. Corp., David took point on defending the Plaintiffs’ lead economic expert at the class certification hearing in August 2023, an event covered by The American Lawyer (https://www.law.com/litigationdaily/2023/09/26/in-the-latest-quinn-emanuel-antitrust-win-against-big-banks-2-associates-help-make-the-case-for-class-cert/). During the argument, David explained how the model reliably controlled for market-wide economic phenomenon like the 2008 financial crisis. David also addressed complex econometric questions from the Court about the specifics of Plaintiffs’ model.
David currently serves as court-appointed co-lead class counsel in the matter In re: Valve Antitrust Litigation, representing a class of computer game publishers against Valve. The proposed publisher class was certified on November 26, 2024.
- Harvard Law School
(J.D., cum laude, 2013) - Worcester Polytechnic Institute
(M.S., Applied Mathematics, 2007) - Worcester Polytechnic Institute
(B.S., high distinction, Mathematics and Mechanical Engineering, 2005)
The State Bar of New York
- BAE Systems:
- Senior Research Engineer, 2007-2009
- Legal 500, Dispute Resolution: Financial Services Litigation, 2024
- The Best Lawyers in America: Ones to Watch, Litigation - Antitrust, 2024 & 2025
- Awarded Pro Bono Publico Award by the Legal Aid Society in 2022 & 2023