Demian Barbas

Partner, Patent Agent
Norton Rose Fulbright Canada LLP

Demian Barbas

Demian Barbas


Related services and key industries


Demian Barbas drafts and prosecutes patent applications, providing validity, infringement, freedom to operate and patentability opinions, and preparing due diligence reports, particularly in the field of life sciences, including pharmaceuticals, medical devices, biotechnology, polymer chemistry and metallurgy. He also has experience filing and prosecuting plant breeder’s rights applications. Dr. Barbas provides strategic advice to clients regarding patent portfolio management in more than 42 countries.

He has developed unique experience in protecting inventions relating to peptide-based and nucleotide-based therapy, food science and natural products.

Dr. Barbas represented clients at appeal hearings in front of the Patent Appeal Board in Canada and has negotiated multiple times with Canadian and American examiners directly at the Canadian Intellectual Property Office and at the United States Patent and Trademark Office. He also represented a client during negotiations with Japanese examiners directly at the Japanese Patent Office.

Dr. Barbas also provides technical assistance in litigation matters and commercial transactions.

His doctoral thesis focused on the molecular and physiological characterization of dopaminergic and serotonergic receptors (G-protein coupled receptors) involved in learning and memory. Dr. Barbas received scholarships from the NSERC, FCAR-FRSQ and the Faculty of Graduate Studies at the University of Montreal during his doctoral studies.

Dr. Barbas speaks French, English and Spanish fluently.

Professional experience

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Ph.D., Biochemistry, Université de Montréal, 2005
B.Sc., Biochemistry, Université de Montréal, 1999

  • Canada (patents) 2009
  • United States (patents) 2009
  • Lithion Recycling: Member of the Montreal office's team that acted as counsel in protecting the company's processes for recycling lithium-ion batteries. Provided general corporate and employment law advice relating to the company's partnering and financing opportunities.
  • Awards for his doctoral research work
  • “Similarities and differences between the U.S. and Canadian patent practice: how to effectively prosecute patents in Canada,” Carolina Patent Trademark & Copyright Law Association fall meeting, Isle of Palms, SC, September 24, 2011.
  • American Society for Biochemistry and Molecular Biology
  • Affiliate, Intellectual Property Institute of Canada