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
Supreme Court Denies Cert, Cementing Lowey’s Second Circuit Win in SIBOR
Lowey Dannenberg filed a proposed class action in July 2015 alleging that the 20 global financial institutions responsible for setting the Singapore Interbank Offered Rate (“SIBOR”) and the Singapore Swap Offer Rate (“SOR”) manipulated these benchmark rates to benefit…
Blog
The Boeing Case: When Directors Can Be Held Responsible for a Company’s Negligence
Successful shareholder derivative lawsuits can be an uphill battle for plaintiffs seeking to hold a company’s directors liable for breaches of their fiduciary duties. However, a recent development out of the Delaware Chancery Court in In re The Boeing Company Derivative Litigation has shown that…





