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 […]

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 […]

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 […]
News
Lowey Dannenberg, P.C. Ranked #1 Law Firm Based on Antitrust Settlements
Lowey Dannenberg P.C. is proud to announce that the firm has been included in this year’s ISS Securities Class Action Services (“ISS SCAS”) Top Plaintiff Law Firms of 2023 report, as the Firm was ranked #1 Law Firm based on Antitrust Settlements. The Firm topped the...
Blog
What are Securities Class Action About?
A securities class action is a lawsuit filed by investors who bought or sold a company’s publicly traded securities within a specific period of time. Investors then suffered an economic loss as a violation of securities laws. Instead of each shareholder bringing an individual action, one or more...





