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
Former Assistant Attorney General Joseph Nielsen Joins Lowey Dannenberg as Partner
Lowey Dannenberg, P.C. is pleased to welcome its newest partner, Joseph Nielsen, to the firm. Joe built a storied career in private and public roles representing victims of antitrust conspiracies in the technology and pharmaceutical industries. During his 19 years at…
Blog
Consumer Alert: Lowey Dannenberg, P.C., Investigates Claims Against Toyota Motor Corporation
In a significant development for consumers, Lowey Dannenberg P.C., a renowned national law firm, has embarked on an investigation into Toyota Motor Corporation for potential violations of consumer protection statutes. This investigation is particularly relevant for those who have purchased…





