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Since 1967, Lowey Dannenberg has represented investors and major corporations in complex litigation, recovering billions of dollars on their behalf.Solutions for Complex Cases
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Recent Cases

Shelled Eggs
Antitrust, Commodities
On June 8, Lowey Dannenberg Chairman Vincent Briganti was appointed as Co-Lead Counsel for the Direct Purchaser Plaintiffs in In Re: Shell Eggs Antitrust Litigation, No. 3:26-md-03175-JDP (W.D. Wisc.) Plaintiffs […]

Amitza
Healthcare
Lowey Dannenberg, on behalf of named plaintiff Premera Blue Cross, is leading a class on behalf of Third-Party Payers of Amitiza (Lubiprostone) against Takeda Pharmaceutical Company Ltd. and related entities. […]

Amgen
Health Care, Healthcare
On September 30, 2025, the U.S. District Court for the Eastern District of Virginia largely denied Amgen’s motion to dismiss in CareFirst of Maryland Inc. et al. v. Amgen Inc. […]
News
Lowey Dannenberg Appointed Interim Co-Lead Counsel in GoodRx Privacy Litigation
On July 7, 2023, Judge Araceli Martínez-Olguín appointed Lowey Dannenberg, P.C. as Interim Co-Lead Counsel representing a proposed class of plaintiffs in the consolidated action: Doe v. GoodRx Holdings, Inc., No. 3:23-cv-00501 (N.D. Cal.). GoodRx Holdings, Inc....
Blog
Big Tech’s Deceptive Fight for Small Business Support Against Proposed Antitrust Legislation
Recently, Congress has introduced several antitrust bills that seek to tightly regulate Big Tech companies in everything from anticompetitive mergers to preferential treatment for their own products and services. Both supporters and opponents of the legislation have differing views on the impact...





