Atty. James H. Buchan

Atty. James H. Buchan

James Buchan is a partner located in Gowlings' Toronto office. James is a member of the firm's Board of Trustees, as well as a past leader of the firm's National Practice Group for Intellectual Property Litigation and a past co-leader of its National Trademarks Practice Group.

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Profile Summary

About James H. Buchan at a glance

James H. Buchan is a real estate and ip attorney based in Mississauga, Ontario, practicing at Gowling WLG. Admitted to practice in Ontario, Canada. Recognitions include Best Lawyers in America — Intellectual Property Law (2026), Best Lawyers in America — Special Focus: (2026), and Best Lawyers in America — Litigation (2026). Serands clients in Mississauga, ON and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • James Buchan is a partner located in Gowlings' Toronto office
  • James is a member of the firm's Board of Trustees, as well as a past leader of the firm's National Practice Group for Intellectual Property Litigation and a past co-leader of its National Trademarks Practice Group
  • As a barrister and solicitor, James' expertise in the IP field is broad-based and extensive, covering a wide range of IP-related contentious and non-contentious matters, including patent, trademark and copyright litigation
  • James has appeared as counsel of record in more than 25 reported decisions of the Federal Court, Federal Court of Appeal and Supreme Court of Canada, and has been counsel in over 750 trademark opposition and expungement proceedings before the Canadian Intellectual Property Office
  • James is active in numerous national and international IP committees and industry groups
  • He is also committed to pro bono work, and is one of Gowlings' co-ordinating partners for Pro Bono Law Ontario

Practice Areas Explained

James H. Buchan's Areas of Practice

Each practice area below reflects the types of cases James H. Buchan handles, with a brief overview of what that area of law covers.

Real Estate Law

Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.

James H. Buchan is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in Ontario →

Intellectual Property

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

James H. Buchan is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Ontario →

Jurisdictional Context

Why local counsel matters in Ontario

Practicing law in Ontario. Legal matters in Ontario are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Mississauga are typically filed in the local municipal court or the appropriate Ontario state district court, depending on subject matter and amount in controversy. An attorney licensed in Ontario brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Ontario courts without local counsel or pro hac vice admission.

Looking for additional Ontario attorneys? Browse all attorneys in Mississauga or all attorneys in Ontario.

Frequently Asked

Common questions about James H. Buchan

Where is James H. Buchan's law office located?
James H. Buchan's law practice is located in Mississauga, Ontario. The firm is Gowling WLG. You can contact the office directly through this profile page.
What practice areas does James H. Buchan handle?
James H. Buchan focuses on real estate, ip. Each practice area listed reflects experience handling cases of that type in Ontario.
How can I contact James H. Buchan for a consultation?
You can contact James H. Buchan directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has James H. Buchan received?
James H. Buchan's notable recognition includes: Best Lawyers in America — Intellectual Property Law; Best Lawyers in America — Special Focus:; Best Lawyers in America — Litigation; Best Lawyers in America — Awards:; Best Lawyers in America — Canadian Legal Lexpert Directory.

Practice Areas

Awards

Best Lawyers in America — Intellectual Property Law
- 2026
Best Lawyers in America — Special Focus:
- 2026
Best Lawyers in America — Litigation
- 2026
Best Lawyers in America — Awards:
- 2026
Best Lawyers in America — Canadian Legal Lexpert Directory
- 2026
Best Lawyers in America — Benchmark Canada: The Definitive Guide to Canada’s Leading Litigation Firms & Attorneys
- 2026

Bar Admissions

Ontario, Canada

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