Harrison J. McAvoy

New York
T: 212.350.2766
F: 212.350.2701

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Harrison J. McAvoy is an associate in Constantine Cannon’s New York office. His practice is focused on antitrust litigation and counseling and general commercial litigation.

Prior to joining Constantine Cannon, Harrison was an associate at Sullivan & Cromwell LLP in New York, where he focused on complex commercial litigation. Prior to that, Harrison clerked for the Honorable Michael A. Shipp, United States District Judge for the District of New Jersey.

Harrison graduated cum laude from Rutgers School of Law—Newark, where he was a Managing Editor of the Rutgers Law Review. During law school, Harrison interned for the Honorable Stuart Rabner, Chief Justice of the Supreme Court of New Jersey, as well as the New York Attorney General’s Office, Antitrust Bureau. He received a Bachelor of Science in Finance from Lehigh University.

Harrison is admitted to practice in New York and New Jersey, and before the United States District Courts for the Southern and Eastern Districts of New York and the United States District Court for the District of New Jersey.

Practice Groups


  • New York
  • U.S. District Court for the Southern District of N.Y.
  • U.S. District Court for the Eastern District of N.Y.
  • New Jersey
  • District of New Jersey

The London office of Constantine Cannon is a separate and independent limited liability partnership registered in England and Wales (with registered number OC376384) with a registered office at 1 Paternoster Square, London EC4M 7DX. Constantine Cannon LLP in London is authorised and regulated by the Solicitors Regulation Authority. The word "partner" denotes a member of Constantine Cannon LLP, or an employee or consultant with equivalent standing and qualifications. The professional rules applicable to the firm are available at the SRA website at www.sra.org.uk/rules.