Department profile
McCarthy Tétrault LLP

Intellectual Property: Litigation

Canada Guide 2026 : Nationwide - Canada

Share profile

McCarthy Tétrault LLP

Rankings

About

Provided by McCarthy Tétrault LLP

Maximizing the value of our clients’ most important assets

Our Intellectual Property (“IP”) Group combines deep technical expertise with insights gained as a fully-integrated national team to offer clients options for protecting, managing and growing their foundational IP. Unlike siloed IP practices, our team seamlessly coordinates with other practices and industry groups within our firm.

With the education and experience to protect your innovations, our lawyers have the business acumen to maximize the value of your IP portfolios, including patents, trademarks, copyrights, industrial designs and trade secrets.

Chambers Review

Provided by Chambers

Intellectual Property: Litigation - Nationwide - Canada

Band 1

What the Team is Known For

McCarthy Tétrault has a market-leading team of intellectual property lawyers who regularly handle both contentious and non-contentious work. The law firm acts for a stable of impressive domestic and international clients, such as media and broadcasting and technology companies, on patent, trade mark and copyright issues, including major litigation. The litigation team in particular is noted for representing telecommunications and pharmaceutical clients in significant patent disputes. The firm derives much of its strength from its experts in Toronto, with additional experts in Western Canada.

View ranking table

Work Highlights

Provided by Chambers

  • McCarthy Tétrault defended Bell Canada, Ericsson and MediaKind against Adeia's claims that they infringed four patents, related to its Bell Fibe TV platform.

Strengths

Provided by Chambers

  • McCarthy's has a winning track record, and consistently provides exceptional client service.

    Intellectual Property: Litigation respondentCanada

  • McCarthy Tétrault's advocacy is second to none.

    Intellectual Property: Litigation respondentCanada

  • McCarthy Tétrault is an absolute top notch full service firm.

    Intellectual Property: Litigation respondentCanada

  • The lawyers at McCarthy Tétrault are responsive, helpful and provide well-rounded advice that takes into account the overall business objective.

    Intellectual Property: Litigation respondentCanada

  • It is a high performing team that optimises workflow.

    Intellectual Property: Litigation respondentCanada

Notable Practitioners

Provided by Chambers

  • Barry Sookman
    Barry Sookman

    Barry Sookman

    Technology industry stalwart Barry Sookman continues to be recognised as a leading light in the area of copyright and information technology. Based in Toronto, he has also been engaged on major litigation files.

    • Barry Sookman is a really revered lawyer within the copyright bar.

      Intellectual Property: Litigation respondentCanada

    • He is a leading copyright lawyer in Canada.

      Intellectual Property: Litigation respondentCanada
    View profile
  • Steven Mason
    Steven Mason

    Steven Mason

    Steven Mason is an accomplished litigator who is frequently engaged in a myriad of scenarios, from high-profile copyright law reviews to prominent pharmaceutical patent infringement cases. He leads the law firm's nationwide IP litigation team from Toronto.

    • Steve Mason is a top IP litigator, he's great in court, terrific at strategy and an all around excellent advocate. He is one of the best in Toronto for complex high-stakes litigation.

      Intellectual Property: Litigation respondentCanada

    • Steven is a powerful lawyer.

      Intellectual Property: Litigation respondentCanada
    View profile
  • David Tait
    David Tait

    David Tait

    Toronto-based David Tait continues to impress for his role in multiple complex patent disputes in the pharmaceutical sector, often acting for patent holders of significant branded drugs. He has also represented technology companies in IP litigation.

    • David is very experienced, a great collaborator and responsive.

      Intellectual Property: Litigation respondentCanada

    • David Tait is strategic, incredibly knowledgeable and unflappable in the face of complex litigation.

      Intellectual Property: Litigation respondentCanada

    • He has a good strategy approach and thinks of the business implications.

      Intellectual Property: Litigation respondentCanada
    View profile
  • Daniel Glover
    Daniel Glover

    Daniel Glover

    Daniel Glover is a Toronto-based intellectual property lawyer who possesses an active disputes practice, advising on trade mark and copyright matters. He frequently represents clients in the media, retail and technology sectors, among others. Daniel is the national co-lead of the firm's cyber and data group.

    • Daniel is an absolute joy to work with.

      Intellectual Property: Litigation respondentCanada

    • Daniel Glover is smart, thorough and a critical thinker.

      Intellectual Property: Litigation respondentCanada
    View profile
  • Steven Tanner
    Steven Tanner

    Steven Tanner

    Steven Tanner focuses his practice on patent litigation, frequently acting for energy, pharmaceutical and telecommunications clients. He operates from the law firm's Toronto office.

    • Steve Tanner is a great IP litigator. He understands technical details and explains things very clearly.

      Intellectual Property: Litigation respondentCanada

    • Steven is very skilled and responsive.

      Intellectual Property: Litigation respondentCanada

    • Steven Tanner is a responsive lawyer with strong knowledge of the intellectual property space and a sophisticated awareness of commercial impacts.

      Intellectual Property: Litigation respondentCanada
    View profile
  • James S. S. Holtom
    James S. S. Holtom

    James S. S. Holtom

    James Holtom is an increasingly well-regarded lawyer for handling patent litigation matters for prominent clients in the pharmaceutical sector. He is based in Toronto.

    • James is detail-oriented and always responsive. He has great work product and is a pleasure to interact with.

      Intellectual Property: Litigation respondentCanada

    • James Holtom is keen and highly motivated to achieve results for his clients. He is also smart, knowledgeable and easy to communicate with.

      Intellectual Property: Litigation respondentCanada
    View profile

Ranked Individuals at McCarthy Tétrault LLP (6)

Nationwide - Canada

Members

Provided by McCarthy Tétrault LLP

McCarthy Tétrault LLP has rankings in the following guides

What success is built on

Chambers is the leading data and intelligence partner for the legal sector.

Explore thought leadership