About J.

J. Adam Dewar is a partner at Roy O'Connor LLP whose practice focuses on plaintiff and defence side class actions and commercial litigation. He has been named a Litigation Star by Benchmark Canada each year from 2019 to 2024.

Practice areas

Class Actions Civil Litigation & Dispute Resolution

Listing compiled from public sources in August 2026. Confirm J. Adam Dewar’s licence and standing in the Law Society of Ontario directory ↗