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 Is Investigating Walmart Inc. for Potential Breaches of Fiduciary Duty by Its Board of Directors
Lowey Dannenberg P.C., a preeminent law firm in obtaining redress for consumers and investors, is investigating a potential breach of fiduciary duty claim involving the board of directors of Walmart Inc. (“Walmart” or the “Company”) (NYSE: WMT). Recently, a complaint…
Blog
Riders on the Storm: Whistleblowers Can Help Stop Rising Tide of Disaster Relief Fraud
The 2020 Atlantic hurricane season, which began in June and continues until November, is on track to break meteorological records. While the average hurricane season features 12 named storms, 2020 has already seen 20 of them as of September. A recent tweet by the National Oceanic and Atmospheric…





