John Cotter


Osler, Hoskin & Harcourt LLP
100 King Street West
Toronto, Ontario
ON M5X 1B8

Tel: +1 416 862 5662


John is a litigator with a focus on intellectual property and information technology litigation, and has a commercial litigation background.

He has extensive experience in disputes relating to copyright (including infringement claims, ownership disputes and Copyright Board tariff proceedings), trademarks (including infringement claims, expungement proceedings and Trademark Opposition Board proceedings), domain names, trade secrets/confidential information, counterfeit products, misleading advertising, software licensing and IT projects, including disputes arising out of software development and software integration projects. John’s commercial litigation includes contractual disputes and tort claims.

John also speaks and writes frequently on intellectual property and litigation matters.

Osler is home to “a spectacular IP department.” Our top-ranked Intellectual Property team is renowned for its diverse strengths, including excellence in IP litigation; expertise and innovation in patent and trade-mark prosecution; portfolio advising and management; and unmatched experience in helping realize the value of IP portfolios in mergers, reorganizations and other business transactions.

Osler’s Intellectual Property team is also “one of the most sought-after teams in Canada for general IP litigation” – notably, two members of the team are among a select group of Canada’s “top cross-border litigators.” This international reputation for excellence in Canadian IP litigation has been built on our winning trial record representing some of the world’s largest generic pharmaceutical companies; technology, biotech, life science, electronics, consumer products, entertainment, sports, food services, franchise and many other international and domestic innovators in resolving their ongoing patent, copyright and trade-mark disputes in Canada. Clients, large and small, come to us initially for our deep legal knowledge, counsel and scientific and technical expertise, but they repeatedly recommend us to colleagues and other professionals.

Osler is a leading business law firm uniquely positioned to advise Canadian, U.S. and international clients on an array of domestic and cross-border legal issues. We are recognized for providing business-critical advice and counsel in key industry sectors, and in transactions and litigation for some of the world’s largest enterprises. Our “one firm” approach is based on collaboration, and the team is dedicated to providing clients with innovative, solution-oriented advice in a practical and cost-effective manner.

Osler has over 400 lawyers working together from offices across Canada in Toronto, Calgary, Montréal, Ottawa and Vancouver and an office in New York.

“John Cotter is singled out by impressed clients as “knowledgeable, organised, thorough, and responsive.” He has particular strength and experience leading on notable matters within the music industry.”
Chambers & Partners, 2017