About John

John Mullen is a commercial litigator who has practiced in Ontario since being called to the bar in 1978, focusing on construction, commercial, employment, estate, and real estate litigation. He has appeared at all levels of court in Ontario and has taught business law at Sheridan College and Wilfrid Laurier University.

Practice areas

Civil Litigation & Dispute Resolution Construction Law Employment & Labour Law Wills, Estates & Trusts Real Estate Law

Education & credentials

Law school
Osgoode Hall Law School

Listing compiled from public sources in September 2026. Confirm John Mullen’s licence and standing in the Law Society of Ontario directory ↗