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

New York Stock Exchange/Archipelago
Notable
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 merger terms, providing the seatholders with more than $250 million in additional consideration.

WorldCom
Notable
Lowey Dannenberg’s innovative strategy and aggressive prosecution produced an extraordinary recovery for the New York City Pension Funds in the In re WorldCom, Inc. Securities Litigation, substantially superior to that of any other WorldCom investor in either class or opt-out litigation.

Philip Services
Notable
After seven years of hard-fought litigation in the District Court and the Second Circuit Court of Appeals, Lowey Dannenberg achieved a $79 million settlement on behalf of United States investors of Philip Services Corp., a bankrupt Canadian resource recovery company.
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…





