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Our team of intellectual property litigators has experience in managing, resolving, and litigating disputes over all types of intellectual property, including patents, trademarks, industrial designs, copyright, and confidential information. Our lawyers appear in the Ontario and Federal Courts at all levels as well as before intellectual property administrative tribunals.

Our clients’ business objectives drive our approach to the dispute resolution process from start to finish. From negotiating pragmatic solutions to small disputes to developing a strategy to resolve major cases, each step in the process is informed by our clients’ objectives to ensure the most cost-effective approach at all times.

We act for parties ranging from owner-operated businesses and start-ups to international companies. Our team is experienced in enforcing our clients’ intellectual property rights as well as defending them from wrongful claims of infringement by others.

Intellectual Property Litigation and Dispute Resolution Services

Our Intellectual Property Litigation and Dispute Resolution practice group provides the following services:

  • patent infringement litigation;
  • trademark infringement and passing off litigation;
  • trademark expungement litigation;
  • trademark oppositions and section 45 proceedings;
  • industrial design infringement litigation;
  • copyright infringement litigation;
  • misuse of confidential information litigation;
  • intellectual property licensing disputes and litigation; and
  • alternative dispute resolution.

Lawyers Across Our Firm

With over 80 lawyers who focus on diverse areas of the law, we can help you. Start here.

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Siskinds is by far the best law firm in London. I contacted them concerning an estate matter. John Morrissey and his assistant Reenya Koshaba, were there every step of the way. They were detail orientated and I was kept up to date throughout. Most importantly though, he effectively solved our problem. John's performance (and team) was above and beyond expectation. I couldn't have asked for more. - M.D.

I have been a client of Siskinds LLP for a few years now. Liam [Ledgerwood] and his team have been instrumental in providing me with expert legal guidance and strategic planning for my business. They’re very responsible, honest and knowledgeable people who’ll provide you with first class service. - M.K.

Really great experience through a very difficult situation. Anna [Szczurko] and her team were amazing. Very thorough, diligent and supportive every step of the way. Thank you all so very much. - S.D.