Lawyer Profile
James H. Buchan
Toronto, Ontario

Overview
### Bio
James Buchan is a Toronto-based partner at Gowling WLG and has practised in the Intellectual Property Group for over 30 years.
As a trial and appellate advocate, James' expertise in the IP field is extensive, covering a wide range of contentious and non-contentious matters, including patent, trade secret, trademark and copyright litigation, as well as strategic advisory work. He regularly advises innovative and technology-driven businesses, including those in the space and nuclear sectors, on the protection, commercialization and enforcement of IP rights.
He has appeared as counsel of record in many IP matters before the Federal Court, Federal Court of Appeal and the Supreme Court of Canada. James has also been counsel in hundreds of quasi-judicial trademark opposition and expungement proceedings before the Canadian Intellectual Property Office (CIPO).
While practising at Gowling WLG, James has held a variety of leadership and management roles, including Firm Managing Partner – External, member of the international board of Gowling WLG (International) Inc., member of the Canadian board of trustees of Gowling WLG and national practice group leader for IP Litigation and Trademarks. James currently serves on the firm’s China Management Team as well as the Canadian country desk leader for Australia and New Zealand.
Year after year, James is recognized by leading legal publications for his in-depth knowledge and dedication to client service excellence, including *The Best Lawyers in Canada*, *World Trademark Review* and the *Canadian Legal Lexpert Directory.* James’ community involvement includes past leadership of the firm’s national pro bono program, as well as serving as a trustee and administrator of the Legal Leaders for Diversity Trust Fund, a scholarship-granting trust for law students living with physical disabilities and mental health challenges.
James remains active in numerous national and international legal committees and industry groups, including the Intellectual Property Institute of Canada (IPIC), the International Trademark Association (INTA), Marques, the Law Leaders Forum, the American Federal Circuit Bar Association and the American Bar Association.
### Career & education
#### Career highlights
2016
Gowling WLG - Firm Managing Partner (External)
2013
Gowlings Board of Trustees
2008
Gowlings Practice Group Leader - Intellectual Property Litigation
2006
Gowlings Practice Group Leader - Trademarks
2006
Gowlings Toronto Department Head - Intellectual Property
2000
Gowlings - Partner
1994
Gowlings - Associate
#### Education
1992
University of British Columbia, LLB
1988
Trinity College at the University of Toronto, BSc. (Specialist) in Microbiology
#### Languages
English
French
##### Memberships
- American Bar Association
- Intellectual Property Institute of Canada (IPIC)
- Subcommittee Chair – Law Firm Management Committee – International Trademark Assocation (INTA)
- Steering Committee – Law Leaders Forum
- Legal Leaders for Diversity Trust Fund
#### Community involvement
Pro Bono Law Ontario - Aboriginal Legal Services
2005
### Publications & speaking engagements
### Publications
- Co-author of *"*Managing an Intellectual Property Portfolio" – chapter 19 of American Bar Association's *Intellectual Property Deskbook for the Business Lawyer, 4th Edition *
Practice Areas
Bar Information
Called to the bar: 1994 (ON)
Professional Details
Awards & Recognition
Canadian Legal Lexpert Directory , 2010 (2010)
Canadian Legal Lexpert Directory , 2011 (2011)
Canadian Legal Lexpert Directory 2012 (2012)
Guide to the World's Leading Trade Mark Law Practitioners 2012 (2012)
Best Lawyers in Canada 2026 (2025)
Canadian Legal Lexpert Directory 2025 (2025)
Canadian Legal Lexpert Directory 2026 (2026)
Lexpert Special Edition: Health Sciences 2025 (2025)
Lexpert Special Edition: Technology 2025 (2025)
World Trademark Review 1000 2026 (2026)
Canadian Legal Lexpert Directory 2013 (2013)
The Best Lawyers in Canada 2014 (2013)
Canadian Legal Lexpert Directory 2014 (2014)
The Best Lawyers in Canada 2015 (2014)
Canadian Legal Lexpert Directory 2015 (2015)
The Best Lawyers in Canada 2016 (2015)
Benchmark Canada: The Definitive Guide to Canada's Leading Litigation Firms & Attorneys 2015 (2015)
Benchmark Canada: The Definitive Guide to Canada's Leading Litigation Firms & Attorneys 2016 (2016)
Benchmark Canada: The Definitive Guide to Canada's Leading Litigation Firms & Attorneys 2014 (2014)
Best Lawyers in Canada 2021 (2020)
Best Lawyers in Canada 2022 (2021)
Best Lawyers in Canada 2023 (2022)
Best Lawyers in Canada 2024 (2023)
Best Lawyers in Canada 2025 (2024)
Canadian Legal Lexpert Directory 2016 (2016)
Canadian Legal Lexpert Directory 2017 (2017)
Canadian Legal Lexpert Directory 2018 (2018)
Canadian Legal Lexpert Directory 2019 (2019)
Canadian Legal Lexpert Directory 2020 (2020)
Canadian Legal Lexpert Directory 2021 (2021)
Canadian Legal Lexpert Directory 2022 (2022)
Canadian Legal Lexpert Directory 2023 (2023)
Canadian Legal Lexpert Directory 2024 (2024)
Expert Guides: Trademarks 2016 (2016)
Lexpert Special Edition: Health Sciences 2021 (2021)
Lexpert Special Edition: Technology 2021 (2021)
Lexpert Special Edition: Technology and Health Sciences 2024 (2024)
The Best Lawyers in Canada 2017 (2016)
The Best Lawyers in Canada 2018 (2017)
The Best Lawyers in Canada 2019 (2018)
The Best Lawyers in Canada 2020 (2019)
Thomson Reuters Stand-out Lawyer 2023 (2023)
Thomson Reuters Stand-out Lawyer 2024 (2024)
Thomson Reuters Stand-out Lawyer 2025 (2025)
World Trademark Review 1000 2019 (2019)
World Trademark Review 1000 2020 (2020)
World Trademark Review 1000 2021 (2021)
World Trademark Review 1000 2022 (2022)
World Trademark Review 1000 2023 (2023)
World Trademark Review 1000 2024 (2024)
World Trademark Review 1000 2025 (2025)
World Trademark Review (WTR) 1000 2018 (2018)