Principal at Smart & Biggar
Location: Vancouver, BC
Year Called to Bar: 1996 (BC)
Phone: (604) 682-7780
Email: [email protected]
Theodore Sum is a leading intellectual property lawyer and Principal at Smart & Biggar’s Vancouver office. Renowned for his in-depth expertise, Theodore’s legal practice encompasses all aspects of intellectual property, with particular specialization in licensing and commercialization, patent and trademark prosecution, due diligence, and e-commerce and online legal issues. He provides strategic counsel to Canadian, US, and international clients across diverse industries, guiding them in managing and leveraging their intellectual property assets for optimal value and protection.
Theodore works with clients in cutting-edge sectors including high tech, software and IT, telecommunications, robotics, artificial intelligence and machine learning, life sciences, energy, cleantech, chemicals, transportation, aerospace, and defence. His comprehensive knowledge and forward-thinking approach make him an invaluable resource for businesses seeking to innovate and safeguard their vital intellectual property rights.
Regularly recognized in The Best Lawyers in Canada for IP law, IT law, and technology law, Theodore is also listed in IAM Patent 1000 and Lexpert. He is a frequent public speaker and a highly respected author in the field of intellectual property law.
Theodore is currently an adjunct professor at the University of Victoria Law School and has a longstanding history as an instructor at the University of British Columbia Law School, demonstrating his commitment to shaping the next generation of legal minds in Canada.
With a reputation for excellence and a client-centric approach, Theodore Sum delivers top-tier legal solutions to protect and advance intellectual property rights for innovators and businesses alike.
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December, 2025
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August 26,2019
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