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U. Seth Ottensoser

Attorney Profile

Top Rated Securities Litigation Attorney in New York, NY

Morgan & Morgan
350 5th Ave, Ste 6705
New York, NY 10118
Phone: 212-738-6299
Selected to Super Lawyers: 2010, 2013 - 2022
Licensed in New York Since: 1996
Practice Areas: Securities Litigation, Civil Litigation: Plaintiff, Class Action/Mass Torts: Plaintiff
Attorney Profile

U. Seth Ottensoser is an attorney at the New York City office of Morgan & Morgan, having joined the national law firm in January 2020. A highly regarded civil litigator, he focuses his practice on a wide variety of complex matters on behalf of plaintiffs, including securities law, business disputes, mergers and acquisitions, class actions, and mass arbitrations. Mr. Ottensoser has been admitted to practice before all New York state courts since 1996.

As an undergraduate, Mr. Ottensoser attended Queens College, which is part of the City University of New York system, and he graduated cum laude with a Bachelor of Arts in 1992. He then went on to pursue his legal education at the University of Southern California Gould School of Law in Los Angeles, and in 1995, he was awarded his Juris Doctor.

After he graduated from law school, Mr. Ottensoser returned to New York City and joined the main office of an internationally recognized plaintiff’s class action law firm, where he spent eight years handling complex cases involving federal securities violations, fraud, corporate governance, and other matters. He then was a partner at two other area law firms before joining Morgan & Morgan.

During his career, Mr. Ottensoser has been involved in litigation that has resulted in hundreds of millions of dollars in compensation for his clients. Among his representative successes are a shareholder derivative lawsuit relating to the sale of two Colorado professional sports franchises, a $400 million recovery in a lawsuit against a global insurance company, and a $33 million settlement on behalf of a municipal employees' retirement fund. Mr. Ottensoser is frequently invited to deliver presentations on his practice areas to audiences around the country.

Practice Areas
  • 30%Securities Litigation
  • 40%Civil Litigation: Plaintiff
  • 30%Class Action/Mass Torts: Plaintiff


11 Years Super Lawyers
  • Super Lawyers: 2010, 2013 - 2022
Office Location for U. Seth Ottensoser

350 5th Ave
Ste 6705
New York, NY 10118

Phone: 212-738-6299

Last Updated: 5/15/2022

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