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Justin M. Sher

Attorney Profile

Top Rated Business Litigation Attorney in New York, NY

Sher Tremonte LLP
90 Broad Street, 23rd Floor
New York, NY 10004
Phone: 212-202-2600
Fax: 212-202-4156
Selected to Super Lawyers: 2014 - 2022
Selected to Rising Stars: 2013
Licensed in New York Since: 2001
Practice Areas: Business Litigation, Criminal Defense: White Collar, Securities Litigation
Attorney Profile

Justin Sher is a founding partner of Sher Tremonte, where he practices in the areas of business litigation, white collar criminal investigations, securities litigation, trust controversies and other high-stakes legal matters.  Mr. Sher previously worked at the Frauds Bureau of the New York County District Attorney's Office, clerked for the Hon. George B. Daniels of the United States District Court for the Southern District of New York and trained at elite firms, Davis Polk & Wardwell and Kobre & Kim.  

Sher Tremonte's lawyers are aggressive advocates who develop powerful strategies tailored to each engagement.  When clients present seemingly intractable problems, Sher Tremonte's lawyers delve deeper and work harder to find solutions.  They do not shy away from taking unorthodox positions or from making novel arguments.  At the same time, Sher Tremonte's lawyers avoid positions that may undermine their clients' credibility and harm their long-term interests.  The ability of its lawyers to strike this delicate balance sets Sher Tremonte apart from other firms.  

Sher Tremonte focuses on outcomes.  The moment the firm accepts an engagement, its lawyers begin preparing a strategy to win at trial.  They do not proceed by the seat of their pants.  Nor do they reflexively follow a formula that may have worked for other clients in the past.  Thus, Sher Tremonte does not employ boilerplate discovery requests that lead to the production of mountains of irrelevant information and drive up the cost of litigation. They will not submit a brief with stale arguments simply because it persuaded one judge once before.  The firm brings its carefully tailored, intensive, trial-focused analysis to every stage of every matter.

About Justin M. Sher

First Admitted: 2001, New York

Professional Webpage:

Educational Background

  • J.D. NYU School of Law, cum laude., 2000
  • A.B. Harvard College, cum laude., 1996

Pro bono/Community Service

  • InMotion.  Pro bono representation of victim of spousal abuse in child support proceedings., 2002
  • Unemployment Action Center.  Pro Bono representation of individuals seeking unemployment benefits., 1998
  • New York Lawyers for the Public Interest.  Pro bono representation of community activists in Harlem in connection with claim of environmental discrimination relating to placement of diesel bus depot by MTA., 2002


  • Special Assistant District Attorney, Kings County District Attorney's Office, 2002
  • Harvard College Scholar, Harvard College, 1993
  • Robert McKay Scholar, NYU School of Law, 1998

Bar/Professional Activity

  • Member, White Collar Committee of New York State Bar Association, Federal and Commercial Litigation Section, 2007
  • Member, New York American Inn of Court, 2007

Scholarly Lectures/Writings


  • On July 31, 2013, in a case of first impression involving Internet commerce and personal privacy, the Court of Appeals for the Second Circuit granted the appeal filed and argued by Justin Sher of Sher Tremonte on behalf of its client and reversed the District Court’s grant of summary judgment.  The Second Circuit held that resellers of personal data contained in drivers’ records are required by the Drivers Privacy Protection Act to conduct a reasonable inquiry concerning a recipient’s permissible purpose before disclosing such information.  The Second Circuit’s decision is likely to cause companies who sell personal data over the Internet to adopt new safeguards and represents an important victory for individual privacy.  Read more here., 2013
  • On April 7, 2016, the Honorable Charles E. Ramos of the Commercial Division of New York County Supreme Court granted summary judgment in favor of Sher Tremonte’s clients, defendants in the lawsuit, Jonathan Lipton v. Michael Green and Ice Farm Advisors, L.P.  The plaintiff, represented by Quinn Emanuel, alleged that Green had breached a partnership agreement by starting a hedge fund without Lipton and asserted claims of fraud, breach of contract and breach of fiduciary duty.  The Court dismissed all of the plaintiff’s claims based on its core finding that no partnership agreement existed because the “parties were merely discussing an investment plan that was never launched.” , 2016
  • On January 14, 2014, in Mitzvah, Inc., d/b/a Pisa Bros. Travel v. Pauline Power and Altour International, Inc., a Manhattan jury found in favor of Sher Tremonte’s clients, an international corporate travel firm and its director, who were sued for misappropriation of trade secrets, unfair competition and tortious interference.  The plaintiff, a competing travel agency, alleged that Sher Tremonte’s clients had wrongfully taken client lists and had tampered with its email system for the purpose of diverting business.  The jury found that the client lists were not trade secrets and decided in favor of defendants on all claims.  Justice Shirley Werner Kornreich of the Commercial Division presided over the trial., 2014
  • On August 13, 2013, the U.S. District Court for the Southern District granted summary judgment in favor of Sher Tremonte's client in a lawsuit seeking $25 million in damages.  The case involved a product designer who accused Sher Tremonte's client, a high-end cosmetics company based in New York and California, of stealing the designer's concept for an airbrush-applied makeup system.  The court dismissed all of the plaintiff's nine causes of action, including claims of fraud, misappropriation of idea and unfair competition.  The court was persuaded by Sher Tremonte's arguments that the parties' discussions on a blog did not constitute a binding agreement., 2013
  • On April 5, 2016, the United States Bankruptcy Court for the Southern District of New York approved a settlement according to which Lehman Brothers, Inc. agreed to recognize a debt of $10 million owed to Sher Tremonte’s client, Credencial  Argentina S.A., a financial services firm based in Argentina.  Credencial sued Lehman for withdrawing from a joint venture to finance a microlending business in South America.  After Sher Tremonte overcame a motion to dismiss and took testimony from Lehman’s former executives and bankers, Lehman agreed to settle the claims for $10 million., 2016

Representative Clients

  • Ice Farm Advisors -- a start-up hedge fund. AmBase Corporation -- a public real estate investmetn firm. Credencial Argentina, S.A. -- an Argentine financial firm. Sustainable Pte. Ltd. -- a Singapore based investment advisory firm focused on the hotel, hospitality and real estae industries., 2016
  • Temptu, Inc., 2012
  • Altour International, Inc., 2011

Industry Groups

  • Entertainment
  • Finance
  • Hospitality
  • Technology
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Office Location for Justin M. Sher

90 Broad Street
23rd Floor
New York, NY 10004

Last Updated: 5/15/2022

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