James G. Kosa



James G. Kosa

* Partner through a professional corporation

James Kosa is a Partner at WeirFoulds with a practice focused on information technology and intellectual property law.

James offers his clients a wealth of knowledge and experience from across the spectrum of technology issues, including the protection and exploitation of computer and software technology, IT and IP licensing, privacy, security breaches and dispute resolution. James’ depth of experience means that he is able to offer his clients clear, practical and well-rounded advice by cutting through the technical jargon. He takes the complexity of technology law and turns it into practical knowledge and advice that his clients can easily understand.

James acts as technology counsel to technology companies in a wide variety of high technology fields, including telecommunications, cloud computing and artificial intelligence companies, software development companies (traditional and agile), hosting service providers and infrastructure as a service providers. He also represents consumers of technologies with procurement and negotiation of technology services, including financial institutions, governments and government agencies, and profit and non-profit companies in traditional fields with technology needs. James has assisted in negotiating outsourcings, wide area networks implementations, major data transport arrangements, and platform and content arrangements for television, satellite and mobile platforms.

He is also the President of the Canadian Technology Law Association and the Chair of the Canadian Bar Association’s Intellectual Property Section.

James is recognized in the Canadian Legal Lexpert® Directory as a leading lawyer in Computer & IT Law, and in Best Lawyers® in Canada as a leading lawyer in Information Technology Law and Intellectual Property Law.


    Repeatedly recognized in the Canadian Legal Lexpert Directory as a leading practitioner in Computer & IT Law

    Repeatedly recognized by Best Lawyers in Canada as a leading practitioner in Information Technology Law and Intellectual Property Law

    Called to the Bar
    • Ontario (2006)
    • LL.B., Osgoode Hall Law School, 2006
    • B.Sc., Computer Engineering, Queen's University
    • President, Canadian Technology Law Association
    • Past Chair, Intellectual Property Section, Canadian Bar Association
    • Past Chair, Information Technology and E-Commerce Section, Ontario Bar Association
    • Institution of Electric and Electronic Engineers
    • Intellectual Property Institute of Canada
    • International Technology Law Association
    • Toronto Computer Lawyers' Group
    • Toronto Intellectual Property Group

    Speaking Engagements

    Speaker, "Best Practices in Technology Contracting", Can-Tech Law Spring Training, Toronto, June 17, 2019
    Master of Ceremonies, Canadian Bar Association's IP Day Annual Judges Dinner, Ottawa, May 30, 2019
    Speaker, "Blockchain Technology, Smart Contracts and the Law", Technology and Intellectual Property Group (TIP) Annual Conference, University of Toronto Faculty of Law, Toronto, March 5, 2019
    Speaker, "How AI Will Disrupt IP Practice", 23rd Intellectual Property Law: The Year in Review, Toronto, January 17, 2019
    Moderator, "Successful Canadian businesses with Registered Industrial Designs and AI", Canadian Intellectual Property Office, Ottawa, December 10, 2018
    Presenter, "Ethical Negotiations: The Art of the Possible", Winter Professionalism Seminar, WeirFoulds LLP, Toronto, December 10, 2018

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