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

Professional Recommendations

“[Lowey Dannenberg] has considerable experience in litigating ‘some of the largest class actions throughout the country.’ . . . . The quality of their representation is also evidenced by the fact that Class Members, including sophisticated institutional investors, have not objected to the Settlement. The Court has no reason to doubt the quality of their representation.”

Hon. Gregory H. Woods, July 7, 2022 Fairness HearingTranscript, at p. 24 in In re JPMorgan Precious Metals Spoofing Litigation 18 Civ. 10356 (S.D.N.Y.)

“The court appreciates class counsel’s taking on these challenges and class counsel’s able navigation of these hard problems, in developing the case on behalf of the putative class, and in bringing contentious settlement negotiations to a successful outcome.

I might add too that the settlement was not only successful. Compared with many analogous cases, it was also prompt, a fact that brings obvious advantages to the class.”

Hon. Paul Engelmayer, May 31, 2022 Fairness Hearing Transcript, at p. 30 in In re JPMorgan Treasury Spoofing Litigation, 20 Civ. 3515 (S.D.N.Y.)

Recent Cases

Federated Investment Management Company, et al., v. Republic of Argentina

Antitrust

By Vincent Briganti

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

By Vincent Briganti

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 […]

New York Stock Exchange/Archipelago

Notable

By Vincent Briganti

The Firm acted as Co-Lead Counsel for a class of seatholders seeking to enjoin the merger between the New York Stock Exchange and Archipelago Holdings, Inc. Lowey’s representation achieved revised […]

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News

The Courts Granted Final Approval for Apple Siri Litigation for $95 Million

Oct 20, 2025

Key Takeaways: U.S. District Judge Jeffrey S. White granted final approval on October 16, 2025, of Plaintiffs’ $95 million settlement with Apple in Lopez et al v. Apple Inc., No.4:19-cv-04577-JSW (N.D. Cal). The case alleged Apple listened to Siri users' private...