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Noah Wolfenstein
Associate
Washington, DC
1775 Pennsylvania Avenue, NW
Suite 375
Washington DC 20006
TEL: (202) 899-4105
{ mail } NWolfenstein@zellelaw.com
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Practice Areas

Noah Wolfenstein

Noah is an associate attorney in Zelle’s Washington, D.C. office. His practice focuses on complex antitrust, commercial, and financial services litigation, including multidistrict litigation and class actions. Additionally, he represents insurers in coverage matters on a regular basis.

Prior to joining Zelle, Noah served as law clerk for the Honorable Paul R. Wallace in Delaware Superior Court’s Complex Commercial Litigation Division, where he gained extensive experience with large-scale business disputes. While in law school, Noah was on the editorial board of the Marquette Law Review, served as president of the Antitrust Law Society, and was an active member of the Pro Bono Honor Society.

Representative Matters

Represents several municipality and fire department plaintiffs in a consolidated class action against the three largest fire apparatus manufacturers in the United States, alleging that market consolidation and coordinated anticompetitive conduct have caused increased prices and delivery delays for fire apparatus purchasers nationwide. (In Re: Fire Apparatus Antitrust Litigation, No. 2:26-md-03179-WCG (E.D. Wis.))

Represents Freddie Mac and the Federal Deposit Insurance Corporation as Receiver for 38 Closed Banks in the LIBOR antitrust litigation. (In re LIBOR-Based Financial Instruments Antitrust Litig., No. 11-md-2262-NRB (S.D.N.Y.))

Represents individual skier plaintiffs in an antitrust action against ski resort operators Vail, Alterra, Boyne, and Powdr, as well as trade organization NSAA and research firm RRC, alleging a conspiracy to share confidential information and set supracompetitive prices for Ikon and Epic multi-mountain season passes, daily lift tickets, and other related items in the destination ski resort market. (Green et al v. Vail Resorts, Inc. et al, No. 1:26-cv-03555-CYC (D. Co.))

Represents multiple merchant plaintiffs in an antitrust action against Visa, alleging anticompetitive conduct in the markets for general purpose debit network services and card-not-present debit network services in the United States. (In re: Visa Debit Card Antitrust Litigation, No. 1:24-cv-08422-JGK (S.D.N.Y.))

Member of the team that represents United HealthCare Services, Inc. in its individual antitrust actions against the makers of more than 200 generic pharmaceutical drugs and alleging a widespread price-fixing and market allocation conspiracy; these matters have been consolidated with In re: Generic Pharmaceuticals Pricing Antitrust Litigation, MDL No. 2724. (United HealthCare Services, Inc. v. Actavis Holdco U.S., Inc., et al., No. 2:19-cv-00629-CMR (E.D. Pa.))

Member of the team that represents United HealthCare Services, Inc. in an individual antitrust matter against the manufacturers of the branded pharmaceutical drug, Zetia, and its generic equivalents, alleging they entered into an unlawful pay-for-delay agreement that prevented lower-priced generics from entering the market for several years. (United HealthCare Services, Inc. v. Merck & Co., Inc., et al., No. 20-cv-01909 (D. Minn.))

Articles & Presentations

"4th Circ. D&O Ruling Shows Why Textual Policy Args Are Best," Law 360, February 19, 2026, co-author

"Stop, Collaborate and Listen! What to Know About the FTC and DOJ's Withdrawal of the Competitor Collaboration Guidelines", June 3, 2025, co-author 

Professional Affiliations

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