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 Investigating Claims Against Northeast Radiology and Alliance Healthcare Related to Medical Data Breach
Lowey Dannenberg, P.C. (“Lowey”) is investing claims against Northeast Radiology and its parent company, Alliance HealthCare, Inc., arising from a data breach that may have compromised hundreds of thousands (if not millions) of persons’ medical records. To learn more,…
Blog
New EU legislation expands access to collective legal action for European consumers
For years, countries in the European Union have offered different levels of access to a collective action against wrongdoing companies. While countries like Italy and Spain have effective systems for collective action in place, some countries lack any collective legal remedies whatsoever. However,…





