John H. Chun is a partner in Herrick's Litigation Department and a member of the firm’s Employment Practice.

John is a seasoned litigator with experience handling a wide range of commercial, employment, trade secret, real estate and partnership disputes. His clients include private equity and hedge funds, startups, C-suite executives, technology and healthcare companies, and insurance companies and brokers.

Commercial Litigation

John’s commercial litigation experience spans all phases of disputes, including trial and appeal. John was recently part of an arbitration team that successfully defended an international manufacturer against a multi-million-dollar breach of contract claim after which the client was awarded attorneys’ fees, expenses and costs. In a shareholder dispute, John also recently obtained a First Department, Appellate Division reversal and modification of a lower’s court denial of a motion to dismiss a complaint seeking dissolution of the business.

Employment Mobility and Trade Secrets

John is an authority on the law of trade secrets and restrictive covenants, and he has been published and quoted in national publications. He regularly counsels employers and employees on the drafting and enforcement of employment agreements, including restrictive covenants. He frequently appears on his clients’ behalf in pursuit or defense of TROs and preliminary injunction motions in trade secret misappropriation matters. In a recent trade secrets theft matter, John successfully obtained a TRO and preliminary injunction in the New York County, Commercial Division against a departing executive and his new firm. 

Real Estate Litigation

John also has extensive experience representing clients in disputes relating to real estate transactions, including lenders, condominium boards, developers, investors and owners. He is currently representing the Condominium Board of a major development in Midtown Manhattan in connection with construction defect claims against the Sponsor and its principals.

Prior to joining Herrick, John was of counsel at Quinn Emanuel Urquhart & Sullivan, a trial lawyer at the Federal Public Defenders Office, adjunct professor of law at the University of Maryland School of Law, and law clerk to the Hon. Thomas J. Meskill of the United States Court of Appeals for the Second Circuit.

Memberships & Associations

  • New York Editorial Advisory Board, Law360
  • Public Service Committee, Federal Bar Council
  • Professional Responsibility Committee, New York City Bar Association
  • Korean American Lawyers Association of Greater New York
  • Herrick’s Diversity Committee and Diversity Partners’ Program