Use of cookies by
Norton Rose Fulbright
We use cookies to deliver our online services. Details and instructions on how to disable those cookies are set out at By continuing to use this website you agree to our use of our cookies unless you have disabled them.

Brian W. Gray

Senior Partner, Lawyer, Patent Agent, Trade-mark Agent

Brian Gray


T:+1 416.216.1905

F:+1 416.216.3930

Brian Gray practises litigation and dispute resolution for patent, copyright, trade-mark, entertainment and advertising matters. He counsels and represents clients with large patent and trade-mark portfolios and has appeared before the Federal and Ontario courts on patent, trade-mark and copyright matters.

His experience includes parallel imports and grey market trade-mark cases, copyright authorship and ownership disputes in the motion picture industry, trial and appeal of patent infringement cases, brand name pharmaceutical patent litigation and notice of compliance cases, inventorship claims and patent disputes in the academic sector, trade secret cases, television and motion picture co-production and financing, technology transfer and patent licensing, patent drafting and patent opinions, patent and trade-mark portfolio management and counselling, and advertising litigation and counselling.

Prior to joining our Toronto office, Mr. Gray was a partner at another major law firm in Toronto.

[+Open all]
  • Year of call
    Ontario 1979
  • Year of registration
    Canada (patents) 1980
    United States (patents) 1980
    Canada (trade-marks) 1979
  • Law school
    LL.B., University of Toronto, 1977
  • Education
    M.A., Government, Cornell University, 1974
    B.A., Chemistry and History, Cornell University, 1971
  • Selected client work

    Mr. Gray’s client work includes:

    • Acting as Canadian counsel to Nortel for patent matters in connection with its multijurisdictional insolvency proceedings, including its agreement to sell its global Carrier VoIP and Application Solutions business to GENBAND and the sale of its optical networking and ethernet businesses to Ciena and its enterprise solutions business to Avaya
    • Recent experience litigating as lead counsel for financial institutions on business method patents and business software (Amazon case) and as lead counsel for the Bank of Nova Scotia in the DataTreasury case involving multimillion dollar claims against Canadian banks, and advising on policy issues relating to business method and software patents.
    • Copyright authorship and ownership disputes for major motion picture studios; motion picture and television co-production and financing
    • Trial and appeal of patent infringement cases for a major forest machinery company
    • Brand name pharmaceutical patent litigation and notice of compliance cases
    • Inventorship claims and patent disputes for one of Canada’s leading universities
    • Trade secret cases for a graphic chip manufacturer
    • Technology transfer and patent licensing; patent drafting and patent opinions
    • Patent and trade-mark portfolio management and counselling, grey market cases  
    • Advertising litigation and counselling
  • Rankings and recognitions
    • Best Lawyers in Canada, 2012-2015 – Biotechnology Law, Intellectual Property Law
    • Chambers Global: The World’s Leading Lawyers for Business, 2011-2015: Intellectual Property
    • Who’s Who Legal, Canada 2014: Life Sciences, Patents and Trademarks
    • Canadian Legal Lexpert Directory, 2012-2014 – recommended in Intellectual Property
    • Benchmark Canada, 2012-2013 – recognized as a local litigation star in Ontario
    • World Trademark Review, 2013 – expert in enforcement and litigation
    • Guide to the World's Leading Trade Mark Law Practitioners, 2012
    • The International Who's Who of Life Sciences Lawyers, 2012-2013
    • The International Who's Who of Patent Lawyers, 2012-2013
    • The International Who's Who of Trademarks Lawyers, 2011-2013
    • Recognized as one of the top trade-mark lawyers in Canada in The Best of the Best 2011
    • PLC Which lawyer?, 2011 – IP: non-patent litigation; Life sciences: patent litigation
    • Guide to the Leading 500 Lawyers in Canada
    • Global Counsel 3000
    • Managing Intellectual Property
  • Memberships and activities
    • World Intellectual Property Organization 
      • Arbitration panel
    • International Trade-mark Association
      • Trademark Mediators Network, Panel of Neutrals
    • Joint Copyright Committee, Canadian Bar Association and Intellectual Property Institute of Canada
    • Intellectual Property Institute of Canada
      • Litigation Committee
    • Ministerial science advisory committee
    • International Bar Association
      • Former Chair, Intellectual Property Committee
    • Canadian Chamber of Commerce Arbitration Panel
    • Editorial board, World Intellectual Property Report
    • Editorial board, Federated Press Intellectual Property Quarterly
    • Editorial board, World E-Commerce Report
    • Editorial board, Trade-Mark Reporter
    • Lecturer, patent and trade-mark law, University of Toronto
    • Lecturer, copyright law, McGill University
  • Directorships
    • Director, IT.Can, the Canadian IT Law Association
    • Director, technology transfer company of one of Canada’s major universities
    • Past director, technology network of one of Canada’s major research universities