Serena P. Hallowell



Serena P. Hallowell leads the Direct Action Litigation Practice and focuses on complex litigation, prosecuting securities fraud cases on behalf of some of the world's largest institutional investors as well as investigations and litigation on behalf of governmental entities aimed at achieving significant financial recoveries and injunctive relief that remedies and deters fraudulent, illegal, or improper conduct. She is prosecuting In re Intuitive Surgical Securities Litigation, Public Employees' Retirement System of Mississippi v. Endo International plc, and Schaffer v. Horizon Pharma PLC. She is also currently advising a number of institutional investors in connection with pursuing potential direct actions against a large pharmaceutical manufacturer. In addition to her litigation responsibilities, Serena serves as Co-Chair of the Firm's Women's Networking and Mentoring Initiative.

For the last two years Serena has been recommended by The Legal 500 in securities litigation. In 2016, she was named a Benchmark Litigation Rising Star and a Rising Star by Law360

Serena was part of a highly skilled team that reached a $140 million settlement against one of the world's largest gold mining companies in In re Barrick Gold Securities Litigation. Playing a principal role in prosecuting In re Computer Sciences Corporation Securities Litigation in a "rocket docket" jurisdiction, she helped secure a settlement of $97.5 million on behalf of lead plaintiff Ontario Teachers' Pension Plan Board, the third largest all cash settlement in the Fourth Circuit at the time. She was also instrumental in securing a $48 million recovery in Medoff v. CVS Caremark Corporation, as well as a $41.5 million settlement in In re NII Holdings, Inc. Securities Litigation. Serena also has broad appellate and trial experience. 

Prior to joining Labaton Sucharow, Serena was an attorney at Ohrenstein & Brown LLP, where she participated in various federal and state commercial litigation matters. During her time there, she also defended financial companies in regulatory proceedings and assisted in high-profile litigation matters in connection with mutual funds trading investigations.

Serena received a J.D. from Boston University School of Law, where she served as the Note Editor for the Journal of Science & Technology Law. She earned a B.A. in Political Science from Occidental College.

Serena is a member of the Association of the Bar of the City of New York, the Federal Bar Council, and the National Association of Women Lawyers (NAWL). She has also devoted time to pro bono work with the Securities Arbitration Clinic at Brooklyn Law School.

She is conversational in Urdu/Hindi.


Boston University School of Law
J.D., 2003

Occidental College
B.A., Political Science, 1999


2004, New York

U.S. Court of Appeals
2012, First Circuit
2017, Ninth Circuit
2011, Eleventh Circuit

U.S. District Court
2006, Southern District of New York
2006, Eastern District of New York