Bio – Anthony Prenol

Anthony Prenol, Partner and Practice Group Leader Intellectual Property Group, Blake, Cassels & Graydon LLP

Anthony is a partner with the law firm Blake, Cassels & Graydon LLP and is the Practice Group Leader for their Intellectual Property Group. He has a broad practice that covers all areas of intellectual property including prosecution, litigation and transactional work.  He is a lawyer, a patent agent and a trade-mark agent.

Anthony’s litigation practice focuses on patent, trade-mark, copyright and trade secret litigation. He has represented clients at all levels of court up to the Ontario Court of Appeal and the Federal Court of Appeal. He has also represented clients before various administrative tribunals such as the Trade-marks Opposition Board and Advertising Standards Canada.

Anthony is responsible for the prosecution of patent and trade-mark portfolios for clients in a wide variety of industries. He also regularly advises clients on areas such as data protection, comparative advertising, matters arising under the Patented Medicines (Notice of Compliance) Regulations, official marks and the intersection of intellectual property and competition law.

Anthony serves as the Secretary of the Intellectual Property Owners Association’s Industrial Designs Committee and is active in the International Trademark Association’s Emerging Issues Committee. He is a frequent speaker on issues as diverse as technology transfer, the use of expert evidence and the intersection of intellectual property and competition laws.


Anthony has been recognized as a leading patent and trade-mark lawyer in the following publications:

  • Chambers Global: The World’s Leading Lawyers for Business 2016 (Intellectual Property)
  • Chambers Canada: Canada’s Leading Lawyers for Business 2016
  • LMG Life Sciences: The Definitive Guide to the Leading Life Sciences Firms and Attorneys in North America (Life Sciences Star)
  • Who’s Who Legal: Life Sciences 2015
  • Managing Intellectual Property’s IP Stars Handbook 2015
  • 2015 Patents Expert Guide
  • The Best Lawyers in Canada 2016 (Intellectual Property Law)
  • The Canadian Legal Lexpert Directory 2015 (Intellectual Property)
  • World Trademark Review 1000: The World’s Leading Trademark Professionals 2015
  • IAM Patent 1000: The World’s Leading Patent Practitioners 2015
  • Legal Media Group’s Guide to the World’s Leading Patent Law Practitioners 2013