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

Roche v. Aetna, Inc.
Healthcare, Notable
Lowey Dannenberg is defending Aetna in a class action related to state anti-subrogation laws. Minerley v. Aetna Inc., et al., 13-cv-1337 (D.N.J.). Lowey Dannenberg has defended and won dismissal of several similar class action lawsuits against health insurance clients: Wurtz v. Rawlings Co., LLC, 2016 WL 7174674 (E.D.N.Y. Nov. 17, 2016); Meek-Horton v. Trover, et al., 910 F.Supp. 2d 690 (S.D.N.Y. 2013); Potts v. Rawlings Co. LLC, 897 F.Supp. 2d 185 (S.D.N.Y. 2012).

Federated Investment Management Company, et al., v. Republic of Argentina
Antitrust
Lowey obtained emergency injunctive relief on behalf of Federated Investors, one of the largest investment firms in the country with over $363 billion in assets under management, preventing the Government of Argentina from canceling outstanding bonds with a face value of more than $500 million, which had been erroneously tendered by those bondholders. Federated Investment Management Company, et al., v. Republic of Argentina, et al., 10 Civ. 4324 (S.D.N.Y. 2010) (Griesa, J.).

Juniper Networks
Notable
Lowey Dannenberg served as lead counsel, representing the New York City Pension Funds and related class members, alleging that Juniper Networks, Inc. fraudulently concealed the backdating of millions of stock options, resulting in a $900 million financial restatement.
News
Supreme Court Denies Cert, Cementing Lowey’s Second Circuit Win in SIBOR
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…
Blog
The Boeing Case: When Directors Can Be Held Responsible for a Company’s Negligence
Successful shareholder derivative lawsuits can be an uphill battle for plaintiffs seeking to hold a company’s directors liable for breaches of their fiduciary duties. However, a recent development out of the Delaware Chancery Court in In re The Boeing Company Derivative Litigation has shown that…





