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Larissa Leong

Intellectual Property Lawyer, Patent Agent, Trademark Agent


Larissa Leong is a lawyer, registered patent agent, and registered trademark agent, who also holds a degree with distinction in pharmacology and computer science. She practices intellectual property law with a focus on the strategic creation, protection, enforcement, and commercialization of intellectual property rights around the world. Larissa creates patent legal strategy and global patent portfolios.

As a patent lawyer, Larissa represents multinational and domestic clients at the cutting-edge of many high-tech computer, life science and therapeutics, and chemical industries.

Larissa draws from her experience practicing as a lawyer on Bay Street at the Toronto office of a leading global law firm, as well as on a secondment to the legal group of a major financial institution.

Prior to becoming a lawyer, Larissa conducted research in artificial intelligence, human-computer interaction, and medical genetics and mosaicism, including under a research award from the Natural Sciences and Engineering Research Council of Canada (NSERC).

Larissa was called to the Bar of Ontario in 2017 and later called to the Bar of British Columbia. She is also a registered patent agent and registered trademark agent, with recognition in both Canada and the United States.

Larissa Leong


Phone: 416-546-7303
Fax: 416-352-5709