James Ostaszewski



James Ostaszewski focuses on prosecuting complex securities fraud cases on behalf of institutional investors. He is actively involved in prosecuting In re Goldman Sachs Group, Inc. Securities Litigation, Inc., In re Target Corporation Securities Litigation, In re Facebook, Inc., IPO Securities and Derivative Litigation, and In re Petrobras Securities Litigation.

Prior to joining Labaton Sucharow, James was a litigation associate at Boies, Schiller & Flexner LLP, where he worked on complex civil litigation in federal and state courts, with a focus on securities litigation and complex financial disputes. He also drafted pleadings and briefs, coordinated all aspects of document discovery, represented plaintiffs in multibillion dollar litigation stemming from complex financial fraud, prepared key fact and expert witnesses, and conducted deposition questioning.

James also previously worked as a judicial clerk for the Honorable David. G. Trager in the Eastern District of New York, and as a legal intern for the King's County District Attorney's Office. James received his J.D., magna cum laude, from Brooklyn Law School, where he served as Articles Editor of the Brooklyn Law Review. He earned his B.S. in Physics, summa cum laude, from St. John's University.


Brooklyn Law School
J.D., 2009, magna cum laude

St. John's University
B.S., 2006, summa cum laude

Settled | Resolved Cases


2010, New York

U.S. District Court
2011, Southern District of New York