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

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. […]

Adobe Class Action
Data Breach and Privacy, Existing Cases
On April 3, 2025, Lowey filed a data privacy class action against Adobe, Inc. alleging it used consumers’ personally identifiable information and online activity to create user profiles without obtaining user consent. The action alleges Adobe used this information to facilitate targeting advertising on behalf of its clients.
News
Lowey Dannenberg Appointed Co-Lead Counsel in Lumen Technologies, Inc. Stockholder Derivative Litigation
On April 21, 2025, Hon. Kayla D. McClusky, United States Magistrate Judge, appointed Lowey Dannenberg, P.C. as the Co-Lead counsel representing Plaintiffs and a proposed class in the consolidated action: In re Lumen Technologies, Inc. Stockholder Derivative…
Blog
Don’t Press Replay: Third Circuit Rules in Favor of User Privacy with Popa Decision
In August 2022, the Third Circuit handed down a decision addressing both exceptions to and the definition of “intercept” under the Pennsylvania Wiretapping and Electronic Surveillance Control Act (WESCA).[1] Popa v. Harriet Carter Gifts, Inc. , 45 F. 4th 687 (3d Cir. 2022), reh’g granted and…





