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Nicholas Diamand
Partner, New York Office
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212 355-9500
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Nicholas Diamand

Nicholas Diamand is a partner in Lieff Cabraser’s New York office with a practice focused on domestic and international securities fraud, digital privacy, and consumer fraud cases.

Nick’s present and past case work concerning securities and financial fraud includes litigation in the U.S. or internationally against Boeing, Danske, SteinhoffFacebookAIGBank of New York Mellon, and Bank of America. He was actively involved in the Wells Fargo Shareholder Derivative Litigation in which Lieff Cabraser served as Court-appointed Co-Lead Plaintiffs’ Counsel; in April 2020, the Court granted final approval to a settlement including a $240 million cash payment and corporate governance reforms.

He acts or has acted in digital privacy litigation against GoogleFacebookLinkedIn, and Sony, among others, as well as on behalf of children and their parents in data breach litigation against Disney, Viacom and other online game and app producers alleging violations of unlawful export, exploitation, and monetization of children’s personal information from mobile games without parental consent. Nick is also working on consumer litigation against Volkswagen, and previously litigated against British Airways, as well as against the nation’s largest banks for their unfair and deceptive practices to maximize the occurrence of overdraft fees, and against oil companies for the recovery of gas royalty underpayment claims in which plaintiffs recovered more than $100 million in cash and future benefits.

Long form bio (click to open pdf).

  • College of Law, London, England
    C.P.E. – 1997
  • College of Law, London, England
    L.P.C. – 1997
    Honors: Commendation
  • Columbia Law School, New York, New York
    LL.M. – 2002
    Honors: Stone Scholar
  • Columbia University, New York, New York
    B.A. (magna cum laude) – 1992
  • England & Wales, 1999
  • New York, 2003
  • U.S. Supreme Court, 2013
  • U.S. Court of Appeals, 2nd Circuit, 2016
  • U.S. Court of Appeals, 7th Circuit, 2006
  • U.S. Court of Appeals, 9th Circuit, 2016
  • U.S. District Court, Eastern District of New York, 2003
  • U.S. District Court, Southern District of New York, 2003
  • U.S. District Court, Western District of New York, 2006
  • U.S. District Court, District of Colorado, 2007
  • American Association for Justice (Chair, Consumer Privacy/Data Breach Litigation Group, 2016-2018)
  • Association of the Bar of the City of New York
  • New York State Bar Association
  • Public Justice Foundation
  • Public Citizen
  • Panelist, Federal Bar Council: Webinar on Amendment to Fed R. Civ. P. 23: Impact on Securities, Antitrust, Consumer & Date Breach Class Action Practice, December 2018
  • Speaker, Strafford CLE webinar “Ethical Risks in Class Litigation,” 2015
  • Speaker, International Corporate Governance Network Conference, 2014
  • “Lawdragon 500 Leading Plaintiff Financial Lawyers in America,” Lawdragon, 2020
  • “Super Lawyer for New York Metro,” Super Lawyers, 2013-2019
  • “Super Lawyers Business Edition” (Securities Litigation), Super Lawyers, 2016
  • “Rising Star for New York Metro,” Super Lawyers, 2012
  • “Spokeo Still Standing: No Sign of a Circuit Split” (with Andrew Kaufman), Law360, October 14, 2016
  • “Spotlight on Spokeo: A Win for Consumers” (with Andrew Kaufman), Law360, May 23, 2016
  • “Fraud on the Market in a Post-Amgen World” (with Michael Miarmi), Trial Magazine, November 2013