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

SIBOR/SOR
Commodities, Notable
Lowey Dannenberg filed a proposed class action in July 2015 alleging that the 20 global financial institutions responsible for setting the Singapore Interbank Offered Rate (“SIBOR”) and the Singapore Swap Offer Rate (“SOR”) manipulated these benchmark rates to benefit their own derivatives positions at the expense of U.S. investors.

Swiss Franc LIBOR
Commodities, Notable
In February 2015, Lowey Dannenberg filed a proposed class action against global financial institutions responsible for setting the London Interbank Offered Rate for the Swiss Franc (Swiss Franc LIBOR).

Yen-LIBOR
Commodities, Notable
Lowey Dannenberg was appointed co-lead counsel in a class action, alleging that a group of 8 major financial institutions colluded to fix the outcome of the London Silver Fix, a global benchmark that impacts the value of more than $30 billion in silver and silver financial instruments.
News
Lowey Dannenberg Appointed Co-Lead Counsel in Lumen Technologies, Inc. Stockholder Derivative Litigation
On April 21, 2025, Hon. Kayla D. McClusky, United States Magistrate Judge, appointed Lowey Dannenberg, P.C. as the Co-Lead counsel representing Plaintiffs and a proposed class in the consolidated action: In re Lumen Technologies, Inc. Stockholder Derivative…
Blog
Don’t Press Replay: Third Circuit Rules in Favor of User Privacy with Popa Decision
In August 2022, the Third Circuit handed down a decision addressing both exceptions to and the definition of “intercept” under the Pennsylvania Wiretapping and Electronic Surveillance Control Act (WESCA).[1] Popa v. Harriet Carter Gifts, Inc. , 45 F. 4th 687 (3d Cir. 2022), reh’g granted and…





