Kathleen Marsman

Kathleen Marsman Ph.D.

Senior Associate

Executive Summary

Kathleen Marsman is a patent agent in the Ottawa office of Borden Ladner Gervais LLP. She became a registered Canadian patent agent in 1999, and a registered US patent agent in 2001. Kathleen drafts and prosecutes patent applications for technologies in the life sciences, biotechnology, nutrition, and chemistry fields. She also counsels patent applicants on matters of patentability, filing strategy and portfolio management. Kathleen's clients include universities, healthcare institutions, start-up companies, multinational pharmaceutical and consumer product companies, as well as an international network of patent attorneys and agents. Kathleen has laboratory experience with techniques in biochemistry, cell culture, histology, molecular biology, radiochemistry and immunology.

Representative Work

  • Preparing and prosecuting patent applications for biotechnology, life sciences, the energy sector, chemical and pharmaceutical inventions for Canadian, US and international patent offices.
  • Counselling clients on patent strategy and portfolio management.
  • Providing opinions on patentability, infringement, validity and freedom-to-operate issues.
  • Advising and assisting with technology transfer in Canadian universities and health-care institutions.
  • Conducting intellectual property due diligence for portfolio acquisitions and company financings.

Publications & Presentations



  • Speaker, "Invention in the Life Sciences: How, When and Whether to seek patent protection?"  University of Manitoba Intellectual Property Speaker Series, Winnipeg, March 1, 2018.
  • Speaker and Panelist, "Trends in Biomedical Research Commercialization," at The Association of University Technology Managers 2017 Canadian Meeting and Directors' Forum, Montreal, June 27, 2017.
  • Speaker and Panelist, "Challenges and Opportunities for Precision Health Innovators - Protecting Canadian Inventions in Disease Prevention and Nutrition," at The Conference Board of Canada's Whole Health Innovation Collaborative Meeting, Toronto, April 25, 2017.
  • Speaker and Panelist, "Patentability: Dealing with Challenges in Life Sciences," 90th Annual Meeting of the Intellectual Property Institute of Canada, Quebec City, September 29, 2016.
  • Speaker and Panelist, "Intellectual Property:  Challenges and Opportunities," Rick Hansen Institute PRAXIS Conference: From Spinal Cord Injury Research to Improved Outcomes, Vancouver, April 27, 2016.

Scientific Publications

  • Marsman & McBurney, "Dietary fibre and short-chain fatty acids affect cell proliferation and protein synthesis in isolated rat colonocytes," Journal of Nutrition, 1996, 126(5): 1429-37.
  • Marsman & McBurney, "Influence of dietary fibre consumption on oxidative metabolism and anaplerotic flux in isolated rat colonocytes," Comparative Biochemistry and Physiology. Part A, Physiology, 1996, 115(1): 81-89.
  • Marsman and McBurney, "Dietary fibre increases oxidative metabolism in colonocytes but not in distal small intestinal enterocytes isolated from rats," Journal of Nutrition, 1995; 125(2): 273-82.

Rankings & Recognitions

  • Recognized in the 2019 edition (and since 2013) of Intellectual Asset Magazine's (IAM) Patent 1000 - The World's Leading Patent Professionals (Patent Prosecution - Recommended).
  • Recognized in the 2012 edition of The Canadian Legal Lexpert® Directory (Biotechnology).
  • Recognized in the 2012 edition of PLC Which lawyer? (Life Sciences: Patent Counselling).