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
Recent Cases

Frasco v. Flo Health, Inc., No. 21-cv-00757 (N.D. Cal.).
Data Breach and Privacy, Existing Cases
Lowey Dannenberg serves as court appointed co-lead counsel in Frasco v. Flo Health, Inc., No. 21-cv-00757 (N.D. Cal.), a class action against Flo Health, Inc. (“Flo”), Google, LLC, Facebook, Inc., and Flurry, Inc.

Artuso Pastry Foods Corp. v. Packaging Corporation of America, et al. 1:25-cv-08856 (N.D. Ill.)
Antitrust
On October 28, 2025, Lowey was appointed Interim Co-Lead Class Counsel for purchasers of Containerboard Products in Artuso Pastry Foods Corp. v. Packaging Corporation of America, et al. 1:25-cv-08856 (N.D. […]

Lopez v. Apple, Inc., No. 19-cv-04577 (N.D. Cal.)
Data Breach and Privacy, Data Privacy
Lowey Dannenberg serves as co-lead class counsel in a class action on behalf of consumers alleging that Apple unlawfully and intentionally recorded Plaintiffs’ and class members’ confidential communications without their […]
News
Lowey Dannenberg P.C., a preeminent law firm in obtaining redress for consumers and investors, is investigating claims of violations of federal securities laws on behalf of investors of Penumbra Inc. (“Penumbra” or the “Company”) (NYSE: PEN).
Penumbra, Inc. designs, develops, manufactures, and markets medical devices. The Company offers peripheral vascular and neurovascular devices that help patients suffering from stroke and other neurovascular diseases.
Blog
AECPA’s Failure to Address Monopolists’ Abuse of Arbitration Is Bad For Everyone
Last month I had the opportunity to help organize a CLE webinar with the New York State Bar Association on the topic of a new Senate legislation, the Anticompetitive Exclusionary Conduct Prevention Act (AECPA). The discussion was led by leading antitrust academics and practitioners: Seton Hall…





