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Nicholas Diamand

Attorney Profile

Top Rated Securities Litigation Attorney in New York, NY

Lieff Cabraser Heimann & Bernstein, LLP
250 Hudson Street, 8th Floor
New York, NY 10013-1413
Phone: 212-355-9500
Fax: 212-355-9592
Selected to Super Lawyers: 2013 - 2022
Selected to Rising Stars: 2012
Licensed in New York Since: 2003
Practice Areas: Securities Litigation, Consumer Law, International
Attorney Profile

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

Nick’s present and past case work concerning consumer fraud includes digital privacy litigation against GoogleFacebookLinkedIn, and Sony, among others. He acts 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 British Airways as well as previously having litigated 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.

His present and past case work concerning securities and financial fraud includes litigation against Steinhoff, FacebookAIGBank of New York Mellon, and Bank of America. He is actively involved in the Wells Fargo Shareholder Derivative Litigation in which Lieff Cabraser is Court-appointed Co-Lead Plaintiffs’ Counsel.

Nick has worked on personal injury and mass tort cases (representing nearly two-thousand hemophiliacs from 24 countries who contracted HIV and/or HCV from contaminated blood products in litigation against major American pharmaceutical companies that settled in 2009); employment litigation (representing Wal-Mart workers in New York and Washington state who alleged they were deprived of meal and rest breaks and forced to work off-the-clock at Wal-Mart stores); and environmental litigation (resolving the claims of more than 500 individuals in Eastern Kentucky arising from an October 2000 coal sludge disaster).

Nick is on the Advisory Council of The Center for Democracy & Technology, and was Chair of the Consumer Privacy/Data Breach Litigation Group of the American Association for Justice. He is also on the Board of the Civil Justice Research Initiative at Berkeley Law School.

On a pro bono basis, as part of Trial Lawyers Care (a project of the American Association for Justice), Nick represented several individuals, including an injured firefighter, in appeal hearings before the September 11th Victim Compensation Fund.

Nick graduated from Columbia College and attended the College of Law in London before first training and then practicing for four years at Herbert Smith in London and Hong Kong. At Herbert Smith, Nick represented the Law Society of England and Wales in a race and sex discrimination suit. Nick remains a solicitor licensed to practice law in England and Wales.

He received his LLM from Columbia University Law School and clerked for Edward R. Korman, the then-Chief Judge of the U.S. District Court, Eastern District of New York.

About Nicholas Diamand

First Admitted: 1999

Professional Webpage:


  • “Lawdragon 500 Leading Plaintiff Financial Lawyers in America,” Lawdragon, 2020-2022; “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, Lieff Cabraser Heimann & Bernstein

Scholarly Lectures/Writings

  • 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; “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; Speaker, Strafford CLE webinar “Ethical Risks in Class Litigation,” 2015; Speaker, International Corporate Governance Network Conference, 2014; “Fraud on the Market in a Post-Amgen World” (with Michael Miarmi), Trial Magazine, November 2013

Bar/Professional Activity

  • American Association for Justice (Chair, Consumer Privacy/Data Breach Litigation Group, 2016); Association of the Bar of the City of New York; International Corporate Governance Network; New York State Bar Association; Public Justice Foundation
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Office Location for Nicholas Diamand

250 Hudson Street
8th Floor
New York, NY 10013-1413

Last Updated: 3/31/2022

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