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

Roche v. Aetna, Inc.
Healthcare, Notable
Lowey Dannenberg is defending Aetna in a class action related to state anti-subrogation laws. Minerley v. Aetna Inc., et al., 13-cv-1337 (D.N.J.). Lowey Dannenberg has defended and won dismissal of […]

Federated Investment Management Company, et al., v. Republic of Argentina
Antitrust
Lowey obtained emergency injunctive relief on behalf of Federated Investors, one of the largest investment firms in the country with over $363 billion in assets under management, preventing the Government […]

Juniper Networks
Notable
Lowey Dannenberg served as lead counsel, representing the New York City Pension Funds and related class members, alleging that Juniper Networks, Inc. fraudulently concealed the backdating of millions of stock […]
News
Lowey Dannenberg Receives Antitrust Enforcement Award by AAI
On October 1st, 2026 American Antitrust Institute (AAI) honored Lowey Dannenberg, together alongside co-lead counsels, with its Outstanding Antitrust Litigation Achievement in Private Law Practice Award for our work in In re Amitiza Antitrust Litigation. In this...
Blog
What Makes Claim Magic Different? Understanding Your Legal Options
By Anthony M. Christina, Esq. and James Spencer If you have searched online for information about a class action lawsuit or settlement, you have probably come across a variety of websites promising to help you file a claim. Many of these are “Claim...





