Photo of Sean M. Leonard
Sean M. Leonard
Associate, Litigation Department
Office603-628-1370
900 Elm Street
Manchester, NH 03101

Sean is an associate in McLane Middleton’s Family Law Practice Group. His practice involves representing clients in New Hampshire, Maine, and Massachusetts.

Before joining McLane Middleton, Sean was a partner in a Maine law firm. He focused on various family issues, including parental rights and responsibilities, divorce, termination of parental rights, and adoption.

Sean received his LL.M. from The George Washington University Law School. He earned his J.D. from Roger Williams University School of Law. While in law school, Sean was the Vice President of the Student Bar Association and received the Feinstein Institute of Public Service Award for his work with the Navy. Sean received his B.A. from Plymouth State University, where he was a member of the school’s boxing club.

In his free time, Sean spends most of his days with his wife and children. He also volunteers for Bedford Youth Athletics.

 

Admissions

  • New Hampshire
  • Maine
  • Massachusetts

Involvement

  • Leadership Seacoast, Class of 2025
  • Leadership Seacoast Admissions Committee
  • New Hampshire Bar Association
  • Maine Bar Association
  • Massachusetts Bar Association
  • NH Association of Justice
  • DOVE Program
  • George Washington University Law School Alumni Association

Recognitions

  • Best Lawyers of America – Ones to Watch 2026
  • Maine Supreme Judicial Court’s Katahdin Pro Bono Service Award, 2021, 2023, 2024 and 2025
  • Aroostook Achievers Award (35 Under 35), 2019

Speaking Engagements

  • Maine Family Law A to Z: Electronic Discovery Issues (National Business Institute 10/10/2025)