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 Nelnet Breach Litigation
On January 30, 2023, Judge Cheryl R. Zwart appointed Lowey Dannenberg, P.C. as one of two Co-Lead Interim Class Counsel representing a proposed class of consumer plaintiffs in In re: Data Security Cases Against Nelnet Servicing, LLC, No. 4:22-cv-3191 (D. Neb.). The…
Blog
The Cost of Convenience – Buy Now Pay Later Companies and Whether they should be regulated
In January 2022, the CFPB opened an inquiry into “Buy Now Pay Later” (BNPL) companies. Specifically, the consumer watchdog issued orders seeking to collect pertinent information on the risks and benefits of these companies’ modern-day layaway-like business model. [1] While the convenience of BNPL…





