MaryAnne Arnoldo

MaryAnne Arnoldo

Senior Patent Agent
Toronto: 416.865.7367
Fax 416.865.7380


Registered Patent Agent, 2004
United States Patent Office (Canadian Applicants)
Registered Patent Agent, 2004
Canadian Patent Office
MSc (Botany), 1992
University of Toronto
BSc (Botany), 1984
University of Toronto


MaryAnne Arnoldo is a patent agent with Torys' Intellectual Property Practice. MaryAnne has 15 years of scientific research experience in the area of biotechnology, in particular plant genetic engineering and cellular and molecular biology. She focuses primarily on drafting, filing and prosecuting patent applications, and advising on validity, patentability and infringement of intellectual property rights.


IAM Patent 1000: The World’s Leading Patent Practitioners—Leading professional in prosecution (2021)


University of Toronto Life Science Career Development Series

Guest speaker, Networking Reception

Memberships and Affiliations

Toronto Biotechnology Initiative
Intellectual Property Institute of Canada
Toronto Intellectual Property Group