About Jeff

Jeff O'Brien is a lawyer based in downtown Chatham, Ontario, who grew up near Erieau. He represents clients across Chatham-Kent, Windsor-Essex and Sarnia-Lambton, with family law as his main practice focus. His services also cover estate litigation, wills and estate planning, real estate, and independent legal advice.

Practice areas

Family Law Wills, Estates & Trusts Real Estate Law Notary & Commissioner Services Business & Corporate Law

Listing compiled from public sources in July 2026. Confirm Jeff O'Brien’s licence and standing in the Law Society of Ontario directory ↗