About Treherne Serge F

Serge F. Treherne Professional Corporation is a solo general practice law office in Sudbury, Ontario, run by Serge F. Treherne, who has practiced law for more than 30 years and has been a member of the Law Society of Ontario since 1985. The office at 274 Douglas Street handles family law, including divorce and separation, real estate, corporate law, criminal defence, and civil litigation, and it also offers a collaborative family practice for clients who don't want to go to court to resolve a separation.

Treherne is a Panel Lawyer for the Office of the Children's Lawyer, handling custody and child protection matters, and acts as an agent for the Public Prosecution Service of Canada on drug and tax prosecutions. The real estate side of the practice covers home, cottage, and camp property purchases and sales as well as refinancing, work that reflects the wider Greater Sudbury area the firm serves. A small team of legal assistants and a conveyancer, experienced with the Teraview electronic land registry system, supports the practice.

In the community

  • Treherne has served on the board of Sudbury Developmental Services, including as past President, and currently serves as Vice Chair.
  • Treherne is also past President of the Alzheimer Society of Sudbury-Manitoulin.

Good to know

A person using a wheelchairAccessible parkingA calendar with a checkmark beside a clockBy appointment

Where to find them

274 Douglas Street, Sudbury, Ontario P3C 1G8 · 705-670-9689

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This listing was generated by AI from public sources in September 2026. It may contain errors, and we can’t guarantee it’s accurate or complete. Before you rely on anything here, verify it on the firm’s own website. Verify licence status in the Law Society of Ontario directory ↗

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