Andrew Shaughnessy > Torys > Toronto, Canada > Lawyer Profile


Work Department

Intellectual Property


Andy is known for a creative, business-savvy approach, bringing deep scientific fluency and sophisticated litigation strategy to clients in their complex intellectual property disputes.

Andy’s practice focuses on intellectual property litigation and dispute resolution, representing a wide variety of clients in complex patent and trademark infringement and related litigation. With a focus on life sciences, Andy has decades of experience protecting the IP rights of clients in the industry and has deep knowledge and perspective on pharmaceutical patents.

He has appeared before the Supreme Court of Canada, Federal Court of Canada, Federal Court of Appeal, Ontario Superior Court of Justice and Court of Appeal for Ontario, as well as specialized tribunals such as the Trademarks Opposition Board and the Patented Medicine Prices Review Board.

Andy is very active in the legal community and is a well-known speaker, teacher and author in Canada.


Ontario Bar, 1993


Andy is a well-known speaker and author in Canada. He is a co-author of Canadian Patent Act Annotated. He is an adjunct lecturer at the University of Toronto Faculty of Law, where he oversees the school’s participation in the Harold G. Fox Intellectual Property Moot.

Andy is highly active in the legal profession, serving as the Chair of the Court Practices Committee of the Canadian Bar Association and the Secretary of the Canadian Practice Committee of the Intellectual Property Owners Association. He is also a member of the International Patent Enforcement Committee of the Intellectual Property Owners Association; the Litigation Committee, ADR Committee and Intellectual Property Trade Policy Committee of the Intellectual Property Institute of Canada; the Intellectual Property/Information Technology Section of the Ontario Bar Association; the Canadian Society of Chemical Engineers; the American Intellectual Property Law Association (AIPLA); the Intellectual Property Section of the American Bar Association; The Advocates’ Society; and the Japan Society.

In the community, Andy is a member of the Applied Science Campaign Cabinet of Queen’s University.

Lawyer Rankings

Canada > Intellectual property

(Leading individuals)

Andrew ShaughnessyTorys

Torys has been especially active in the life sciences sector of late though also caters to names from the retail, agriculture, food, technology, media, sports, telecommunication and gaming industries, among others, serving as a one-stop shop across the full lifecycle of IP mandates. Eileen McMahon is a patent agent in both the US and Canada with 30 years of experience under her belt; she co-leads the team from Toronto alongside acquisition, exploitation and enforcement specialist, Edward Fan, and Andrew Shaughnessy who enjoys a prominent track record in patent and trademark infringement litigation, including those before the Supreme Court of Canada. Teresa Reguly supports clients involved in the sale of regulated pharmaceutical, medical device and biotechnology products with Andrew Bernstein delivering significant prowess in patent, copyright and trademark disputes, including those within the IT, media and life sciences industries. At the more junior end, counsel Nicole Mantini is a further star name on the contentious side and is highly regarded among international and North American pharmaceutical companies.