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John Leddy, Nutter McClennen & Fish LLP Photo

John C. Leddy

Partner / New York

Overview

John C. Leddy is a commercial litigation partner in Nutter’s New York City office. He advises clients on a wide range of global complex commercial litigation with a particular focus on the real estate, banking and insurance industries.

John represents clients from the boardroom to the courtroom, providing strategic advice on important business decisions and representing clients through trial. Clients often engage John for actions stemming from complex real estate-related matters, joint venture and partnership disputes, as well as land use and construction related litigation in state and federal courts. John’s practice takes him nationwide, with recent actions in Delaware, New York, New Jersey, Massachusetts, Illinois, and Minnesota, among others. John also litigates in international arbitrations and has overseen international disputes for various clients.

In addition, John has extensive experience representing clients in insurance and reinsurance coverage disputes, regulatory compliance actions, and multinational reinsurance transactions. This includes representing traditional insurance carriers, businesses with significant self-insured retentions, owners of single parent-captive insurance companies, and members of group captives, risk purchasing groups, and risk retention groups.

Notable Recent Experience and Client Impact

  • Obtained eight figure judgment on behalf of not-for-profit client against former officers and directors for breaches of not-for-profit law and fiduciary duties.
  • Obtained dismissal of claims against New York chartered bank in warehouse mortgage lending matter.
  • Obtained favorable arbitration result on behalf of biotech client in dispute over intellectual property rights and accounting practices in pharmaceutical development matter.
  • Obtained favorable settlement of real estate joint venture separation dispute.
  • Conducted internal investigation into potential insider trading relative to large public merger.
  • Assisted in settlement of various shareholder disclosure claims related to recent merger.

John is active in the legal community. He serves on the Litigation Committee and the Sports Law Committee for the New York City Bar Association and is a member of the Irish American Bar Association of New York.

Prior to joining Nutter, John was a litigation associate in the New York office of a national law firm. Before that, he was an associate at a boutique litigation firm in Boston.

News & Insights

News

Education & Admissions

Education

Boston College Law School, J.D.
Trinity College, B.A.

Admissions

  • Massachusetts
  • New Jersey
  • New York
  • U.S. Court of Appeals for the Second Circuit
  • U.S. District Court, District of Columbia
  • U.S. District Court, District of Massachusetts
  • U.S. District Court, District of New Jersey
  • U.S. District Court, Eastern District of New York
  • U.S. District Court, Southern District of New York

In the Community

John serves on the Litigation Committee and the Sports Law Committee for the New York City Bar Association and is a member of the Irish American Bar Association of New York. John is also a class agent, and proud alumnus, of Belmont Hill School.

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