More than 50 years of landmark results
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, P.C. Files Securities Class Action Lawsuit Against Biogen Inc. on Behalf of Investors Who Acquired Shares from October 22, 2019 to November 6, 2020
NEW YORK, Jan. 5, 2021 (GLOBE NEWSWIRE) -- Lowey Dannenberg P.C., a preeminent law firm in obtaining redress for consumers and investors, has filed a federal securities class action in the United States District Court for the District of Massachusetts on behalf of its...
Blog
California Scheming: Gas Price Manipulation Hits the West Coast
The gas market, with its pricing benchmarks based on self-reported transactions, has long been a fertile field for price manipulation. For example, in In re Natural Gas Commodity Litigation, No. 03 CV 6186 (S.D.N.Y. Oct. 14, 2004), plaintiffs alleged that energy companies manipulated the price of...