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, including pension funds, hedge funds, mutual funds, asset managers, and other large institutional investors. Serena also regularly advises and/or represents institutional investors who are seeking counsel on evaluating recovery opportunities in connection with fraud-related conduct. In addition to her active caseload, Serena serves as Co-Chair of the Firm's Women's Networking and Mentoring Initiative and oversees the Firm’s summer associate and lateral hiring programs.

Recently, Serena was recognized as a "Trailblazer" by The National Law Journal and as one of the leading lawyers in America by Lawdragon. She has also been recommended by The Legal 500 in securities litigation, and named a Future Star by Benchmark Litigation and a Rising Star by Law360.

Currently she is prosecuting cases against Valeant Pharmaceuticals and Endo International, among others. Recently, in Endo, the parties have announced an agreementto settle the matter for $50 million. Also, in Valeant, Serena leads a team that won a significant motion in the District of New Jersey, when the court sustained claims arising under the NJ RICO Act in direct actions filed against Valeant.  

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, a $42.5 million settlement in In re Intuitive Surgical Securities Litigation, and a $41.5 million settlement in In re NII Holdings, Inc. Securities Litigation. Serena also has broad appellate and trial experience.

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 New York City Bar Association, where she serves on the Securities Litigation Committee, the Federal Bar Council, the South Asian Bar Association, the National Association of Public Pension Attorneys (NAPPA), and the National Association of Women Lawyers (NAWL). Her pro bono work includes representing immigrant detainees in removal proceedings for the American Immigrant Representation Project and devoting time to 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

In the News

Published & Presented


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