David Geronemus

David Geronemus, Esq.

JAMS Mediator, Arbitrator and Referee/Special Master

Case Manager
Christiane Catoe
T: 212-607-2780
F: 212-751-4099
620 Eighth Avenue, 34th Floor, New York, New York 10018

David Geronemus is available to conduct cases virtually. JAMS is equipped to provide virtual ADR services on a variety of online platforms, including Zoom, Microsoft Teams, WebEx, and more.


David Geronemus is one of the most respected and sought after dispute resolution professionals. He has been a full-time neutral with JAMS since 1994. A former law clerk to Supreme Court Justice Potter Stewart, Mr. Geronemus has taught negotiation and alternative dispute resolution on an adjunct basis at Yale and Columbia Law Schools.

Mr. Geronemus has settled hundreds of cases, including a wide variety of disputes involving intellectual property issues.

Representative Mediations

  • A case involving breach of a trademark license agreement in the entertainment and publishing industry. The case involved allegations that sublicenses had been granted that were not permissible under the license agreement, as well as issues concerning the validity of the mark.
  • A dispute arising out of the acquisition of a financial services company and the subsequent departure of certain employees to join a competitor. The case involved allegations of theft of trade secrets and unfair competition.
  • A dispute arising out of the termination of a software development agreement
  • A dispute arising under the provisions of an acquisition agreement relating to indemnity for patent infringement
  • A dispute between a manufacturer and a party with whom it had contracted for certain services; the case contained allegations of breach of contract and theft of trade secrets
  • A dispute concerning infringement of patents for certain devices used in electronic component assembly
  • A dispute involving allegations of theft of trade secrets by a partner in a service business subsequent to the partner's withdrawal from the partnership
  • A patent infringement dispute arising out of the manufacture and sale of certain medical devices
  • Disputes arising out of patent lease agreements in the pharmaceutical industry
  • Settlement between two software development companies over rights granted under a license agreement, as well as claims of copyright infringement and misuse of trade secrets
  • Settlement of a patent dispute in the security industry between a patent holder and an alleged infringer
  • Recognized as Best Lawyers' New York City "Lawyer of the Year" for Mediation, 2022
  • Designated with the highest level ranking (Band 1) in Mediation, Chambers USA America’s Leading Lawyers for Business, 2016-2021
  • Recognized in Who's Who Legal in the practice area of Mediation, 2016-2019
  • Recognized as one of seven most highly regarded individuals in the U.S. of Who’s Who Legal in the practice area of Insurance and Reinsurance, 2015
  • Recognized as a Best Lawyer, ADR Category, Best Lawyers in America, 2007-2022
  • Recognized as a New York Super Lawyer by Law & Politics every year since 2007
  • Registered Mediator, United States Bankruptcy Court for the Southern District of New York

ADR Profiles

  • "David Geronemus," 2018 ADR Champions, The National Law Journal, June, 2018
  • Mediator, JAMS, 1994-present
  • Partner, Donovan, Leisure, Newton & Irvine, Washington, D.C. and New York, 1990-1994
  • Associate and Partner, Rogovin, Huge & Schiller, Washington, D.C., 1984-1989
  • Law Clerk, Supreme Court Justice Potter Stewart, 1983-1984
  • Law Clerk, Chief Judge Collins Seitz, U.S. Court of Appeals, 3rd Circuit, 1982-1983
  • J.D., New York University Law School, 1982 (Senior Articles Editor, N.Y.U. Law Review; N.Y.U. Alumni Association Award; John Norton Pomeroy Prize, the Leonard M. Henkin Prize; Member, Order of the Coif)
  • M.B.A., Columbia University Graduate School of Business, 1980 (Roswell C. McCrea Prize, Beta Gamma Sigma Honor Society)
  • B.A., Wesleyan, 1975




This page is for general information purposes.  JAMS makes no representations or warranties regarding its accuracy or completeness.  Interested persons should conduct their own research regarding information on this website before deciding to use JAMS, including investigation and research of JAMS neutrals. See More

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