LAWYER PROFILE
Jonathan O'Hara

Jonathan O'Hara

Global 2026

Chambers ranking badge
Chambers ranking badge

Ranked in 1 practice area

About

Provided by McMillan LLP

Practice Areas

Jonathan is an experienced and effective international trade practitioner. His expertise is often called upon in trade disputes, CBSA audits, large M&As and daily operations. Clients value Jonathan’s help navigating the many complex aspects of Canada’s trade regime, including trade remedies, import/export controls, sanctions, tariffs and all manner of trade compliance issues. Jonathan has appeared in dozens of cases before the Canadian International Trade Tribunal, including on anti-dumping/countervail, customs and government procurement matters. Jonathan has challenged and defended numerous trade-related government and administrative tribunal actions through judicial review in the Federal Courts.

Chambers Review

Provided by Chambers

Chambers Global Guide

International Trade/WTO - Canada

Band 2
Band 2

Individual Editorial

Jonathan O'Hara is rated highly as both an expert in trade policy and an advocate in trade disputes, playing a key role in several major cases conducted by the CITT and CBSA. He is based in Ottawa.

Strengths

Provided by Chambers

  • Jonathan shows a very high level of attention to detail in his work.

    International Trade/WTOChambers Global Guide
  • Jonathan O'Hara is simply one of the most responsive, efficient and practical attorneys that I've worked with.

    International Trade/WTOChambers Global Guide

Ranked Individuals at McMillan LLP (31)

Canada

What success is built on

Chambers is the leading data and intelligence partner for the legal sector.

Explore thought leadership