Experience. Diligence. Professionalism.


John J. Leonard

Contact Me:

Practice Areas

  • Complex Litigation
  • Estate Planning
  • Real Estate and Business Transactions
  • Matrimonial and Family Law


  • New York Law School, New York, New York
    • J.D. - 2001
    • Honors: summa cum laude
  • New York University
    • B.A. - 1992
    • Major: English Literature

Bar Admissions

  • New York
  • California

Pro-Bono Activities

  • Nassau/Suffolk Legal Services
  • East End Regional Intervention Court, Drug Court team member
  • The Retreat
  • Sag Harbor Chamber of Commerce, Board Member and Chair, Membership Events
  • Sag Harbor LGBT Network Youth Center, Sunset on the Harbor, Fundraising Committee
  • Southampton Cultural Center, Center Stage, Actor and Advertising Supporter

Professional Associations

  • New York State Bar Association, Member
  • Suffolk County Bar Association, Member