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 Defeats Motion to Dismiss against Domino Sugar and United Sugar in Sugar Antitrust Case
On October 15th, 2025, Judge Blackwell denied the motion to dismiss as against the two largest sugar producers in the country, Domino Sugar and United Sugar, on nearly 100 state antitrust, consumer protection, and equitable claims. In re Granulated Sugar Antitrust…
Blog
Careless People: A History of Meta’s Data Privacy Promises
Today, Sarah Wynn-Williams—the author of Careless People —is set to testify before Congress relating to whether Meta Platforms, Inc.’s (formerly Facebook) dealings with the Chinese Communist Party undermined U.S. national security. Ms. Wynn-Williams spent six years at Facebook, where she climbed…





