About John
John is one of the founding partners of OKT. His Aboriginal rights practice involves representing First Nations across Canada in litigation and in major negotiations, including comprehensive and specific land rights, self-government, and impacts and benefits agreements with project proponents. He served as legal counsel to the Chiefs of Ontario and acted as a table negotiator for the Assembly of First Nations during the Charlottetown Accord constitutional negotiations. He has also appeared in environmental cases and before federal boards and agencies, including the National Energy Board and the Berger Commission. John is a member of the Ontario and Newfoundland and Labrador bars.
Practice areas
Listing compiled from public sources in August 2026. Confirm John A. Olthuis’s licence and standing in the Law Society of Ontario directory ↗

