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Lawyers

Lawrence Portnoy

Lawyers
Nationally recognized securities, M&A and general commercial litigator. Represents major financial institutions and companies in courts throughout the country.

A nationally recognized securities, M&A and general commercial litigator, Larry has represented a wide range of high-profile clients in their largest and most significant matters before, during and after trial. Clients know that they can rely on Larry’s judgment, preparedness and extensive courtroom experience.

Major financial institutions and companies regularly call on Larry to handle securities, commercial and derivative litigations in federal and state courts throughout the country, as well as AAA, FINRA, NASD and NYSE arbitrations.

Clients also turn to Larry to guide them through SEC and CFTC enforcement matters, grand jury investigations, internal investigations and in connection with inquiries from various bank regulators.

Chambers USA cites clients who describe Larry as “an exceptional trial lawyer” who is “incredibly effective, instantly gains credibility from the judge and jury, and is really good on his feet.”

Experience highlights

Recent Representations
  • Investment banks and other financial institutions as well as industrial and manufacturing companies in class action litigations in federal district courts in New York, Massachusetts, Rhode Island, New Jersey, Pennsylvania, Connecticut, Texas, California, Puerto Rico, Florida and the District of Columbia
  • Clients in state court matters in New York, New Jersey, Delaware, California, Florida, Louisiana and South Carolina and Securities and Exchange Commission enforcement matters, grand jury investigations, internal investigations
  • Representations have included acting for CVS Caremark, BNY Mellon, JPMorgan Chase and Credit Suisse in securities class action litigation and representing various financial institutions in SEC investigations
  • Other clients have included Morgan Stanley, Comcast, Roche, Deloitte & Touche, ExxonMobil and Banco Santander
View all experience

Credentials

Recognition
Chambers USA – Litigation: Securities, New York
Legal 500 U.S. – M&A Litigation: Defense
Benchmark Litigation – Commercial, Professional Liability, Securities, New York, Star
Law360 – “Securities MVP of the Year,” 2012
Chambers notes that Larry is “highly adept at defending against securities class actions, including ERISA cases.”
A source tells Chambers that Larry is “an exceptional trial lawyer,” while another adds, “He has such great command of the facts – he’s incredibly effective, instantly gains credibility from the judge and jury, and is really good on his feet.”
Education
J.D., Harvard Law School
B.A., University of Michigan
  • with highest honors
Clerkships
Law Clerk, Hon. Ronald S.W. Lew, U.S. District Court, C.D. California, 1988-1989
Professional history
  • Partner, 1996-present
  • Associate, 1989-1996
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