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.

Recent News

Welcoming Matt Cartwright: Lowey Dannenberg’s Newest Partner

Jun 11, 2025

Matthew Cartwright is Lowey Dannenberg P.C.’s newest Partner. He joins Lowey’s Healthcare Litigation Team with 25 years of trial and litigation experience.

Lowey Dannenberg Appointed Co-Lead Counsel in Lumen Technologies, Inc. Stockholder Derivative Litigation

Apr 30, 2025

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 Litigation, Master Docket No. 3:24-cv-00798-TAD-KDM (W.D. La.).

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Recent Blog

The Importance of Portfolio Monitoring for Pension Trustees

Jun 17, 2025

Trustees’ Fiduciary Duties Relating to Securities Class Action Litigation As fiduciaries, trustees are held to a stringent legal standard of care in administering their Pension Plan. Central to...

Your Social Media Data May Be Fueling China’s Censorship Engine

Apr 30, 2025

On April 9, 2025, Ms. Sarah Wynn-Williams, a former Meta executive, testified before the Congress about how Meta colluded with the Chinese government over the years in order to re-entered the...

solutions for Financial Industries

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Solutions for Complex Cases

Commodities

Lowey Dannenberg has secured some of the largest class action achievements in the history of the Commodity Exchange Act, recovering billions of dollars on behalf of investors harmed by price manipulation in multiple markets, including metals, rates, and soft commodities.

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Antitrust

A pioneer in antitrust litigation, Lowey Dannenberg led the first successful challenge to anti-competitive “pay-for-delay” arrangements that allowed brand-name drug manufacturers to block more affordable generic drugs from entering the market.

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Health Care

Lowey Dannenberg is the nation’s premier litigation firm for health benefit providers, representing the largest health benefit companies in the United States, including Aetna, CIGNA, Humana and Anthem (formerly known as WellPoint).

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Securities

Representing sophisticated domestic and international institutional clients, private individual investors, and public pension funds, Lowey Dannenberg achieves results when investors lose at the hand of corporate fraud and malfeasance.

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Whistleblower

With extensive experience navigating the complex federal and state whistleblower laws, Lowey Dannenberg helps courageous whistleblowers reveal and report fraud, while guarding their anonymity and securing recovery for both them and the taxpayers.

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Commercial

With decades of experience representing plaintiffs, Lowey Dannenberg applies the same trial expertise and case management discipline to class action defense, representing Fortune 100 companies, leading health insurers, small businesses, and individuals.

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Lowey Dannenberg

MEET OUR TEAM OF OUTSTANDING ATTORNEYS.

Our team of client-focused attorneys features lawyers with concentrations in various areas, including commodities, antitrust, healthcare, financial, and consumer protection law.

Our Team

Our team of client-focused attorneys features lawyers with concentrations in various areas, including commodities, antitrust, healthcare, financial, and consumer protection law.

Our Team

Professional Commendations

"We have been delighted with the excellent legal representation and prompt attention to our concerns which we have received from Lowey Dannenberg, a firm that quickly grasped our legal and business needs and expectations. Creative fee arrangements are welcome in a budget-conscious institutional environment. The bottom line is that Lowey Dannenberg consistently delivers superb results."

~ J. Edward Neugebauer

Deputy Chief Legal Officer and Head of Litigation, Aetna, Inc.

"The quality of representation is not questioned here, especially for those attorneys, principally from Lowey Dannenberg, who worked so hard to achieve this creative and, in my experience, unprecedented global settlement."

~ Hon. Colleen McMahon

United States District Judge, S.D.N.Y.

"The protocol...is a beautiful example of what creative and intelligent and caring attorneys can do to resolve a problem."

~ Hon. Cynthia Rufe

United States District Judge, E.D. Pa.

"I note that at the end of Richard Cohen’s papers are his law firm’s resume and quotes the approval of various of my state and federal colleagues for the work of the Lowey Dannenberg Cohen & Hart firm. I will join in that chorus…claims in this case were complex, they required participation of highly skilled and specialized attorneys and all the firms involved worked with great effort to prosecute their claims and defenses efficiently and effectively."

~ Hon. Timothy S. Driscoll

N.Y. Supreme Court Justice, Nassau County

"I commend the plaintiffs for the work they did in this case and for having...diligently prosecuted it. [This case] would have been basically an orphan, or a case that no one would have brought had Richard Cohen not brought it. You produced what appears to be a substantial result for your clients."

~ Hon. Stephen P. Lamb

Vice Chancellor, Delaware Chancery Court, New Castle County

Have a Case You Think We Can Help With?

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Welcoming Matt Cartwright: Lowey Dannenberg’s Newest Partner

Lowey Dannenberg Appointed Co-Lead Counsel in Lumen Technologies, Inc. Stockholder Derivative Litigation

The Importance of Portfolio Monitoring for Pension Trustees

Your Social Media Data May Be Fueling China’s Censorship Engine

solutions for Financial Industries

Commodities

Antitrust

Health Care

Securities

Whistleblower

Commercial

Lowey Dannenberg

~ J. Edward Neugebauer

"The quality of representation is not questioned here, especially for those attorneys, principally from Lowey Dannenberg, who worked so hard to achieve this creative and, in my experience, unprecedented global settlement."

~ Hon. Colleen McMahon

"The protocol...is a beautiful example of what creative and intelligent and caring attorneys can do to resolve a problem."

~ Hon. Cynthia Rufe

~ Hon. Timothy S. Driscoll

"I commend the plaintiffs for the work they did in this case and for having...diligently prosecuted it. [This case] would have been basically an orphan, or a case that no one would have brought had Richard Cohen not brought it. You produced what appears to be a substantial result for your clients."

~ Hon. Stephen P. Lamb

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