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
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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 Defeats Motion to Dismiss against Domino Sugar and United Sugar in Sugar Antitrust Case
On October 15th, 2025, Judge Blackwell denied the motion to dismiss as against the two largest sugar producers in the country, Domino Sugar and United Sugar, on nearly 100 state antitrust, consumer protection, and equitable claims. In re Granulated Sugar Antitrust…
Blog
Careless People: A History of Meta’s Data Privacy Promises
Today, Sarah Wynn-Williams—the author of Careless People —is set to testify before Congress relating to whether Meta Platforms, Inc.’s (formerly Facebook) dealings with the Chinese Communist Party undermined U.S. national security. Ms. Wynn-Williams spent six years at Facebook, where she climbed…





