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
Meet Claim Magic: Lowey Dannenberg’s Newest Claim Filing Software
What is Claim Magic? Lowey Dannenberg is proud to announce the launch of Claim Magic, our free case management software designed to help people find legal claims and turn them into compensation. The Problem We’re Solving Every year, millions of people have valuable…
Blog
Meta Criticized TikTok—It Was the Company Sharing User Data with China
A former Facebook executive testified today that Meta shared user data with the Chinese Communist Party (CCP). If this sounds familiar, its because TikTok’s CEO Shou Zi Chew previously faced scrutiny from Congress over similar concerns. Specifically, that TikTok may be sharing U.S. user data with…





