Grant W.C. Tisdall Partner Patent Agent

Parle :  Anglais

Téléphone principal : +1 416-862-4318

Téléphone secondaire : +1 519-569-4560

Fax : +1 416-862-7661

Courriel :

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Bureau principal :  Toronto

Bureau secondaire :  Région de Waterloo

Grant W.C. Tisdall

Grant Tisdall is a partner you can count on to realize your intellectual property needs. Based in Gowling WLG's Toronto office, Grant is past leader of the firm's Patents Group and the current Toronto leader of the firm's Tech Group. He applies his 15+ years of patent law experience to deliver and implement strategic patent advice for clients in Canada, the U.S., Russia, Europe and beyond.

A leading patent agent, you can rely upon Grant for advice on strategic global aspects of intellectual property, and assistance in the co-ordination of your R&D activities through the building and managing of an intellectual property portfolio for first/next generation technologies. He guides technology companies in developing customized innovation programs that best formalize intellectual assets in alignment with business direction. He has significant experience in working with Russian technology companies in developing their international patent portfolios, as well as in offering strategic advice to foreign companies on obtaining various forms of patent protection in Russia.

In working with Grant, you will be engaging a seasoned patent agent who is actively involved in the international procurement of patents and industrial designs. His practice focuses on preparing and prosecuting applications relating to computer software and application development, automotive equipment and control, hardware/software requirements of mobile computer products, including antennas, enterprise solutions including electronic check (Check 21) and insurance claim processing, business methods, including social media networks, presentation/operational aspects of graphical user interfaces (GUI), and clean technology, including lighting controllers and silicon device manufacturing.

In addition to international procurement, Grant's services are in-demand by business owners seeking strategic advice and opinions on patentability aspects of their technology, freedom-to-operate considerations for their technology, litigation support concerning patent infringement and validity issues, and intellectual property-related due diligence for commercial transactions.

Associations professionnelles

  • American Bar Association
  • American Intellectual Property Law Association (AIPLA)
  • Intellectual Property Institute of Canada (IPIC)
  • Toronto Intellectual Property Group (TIPG)

Media Appearances

Grant was interviewed and quoted in the following media publications:

  • "Twitter swears off patent wars," Toronto Star, April 19, 2012
  • "Amazon again,", January 18, 2012
  • "Appeal court overturns Amazon ruling - but decision still a victory for business-method patents, lawyer says," Law Times, December 5, 2011


  • "Punitive Damages Award in Canada Due to Implied Knowledge of Infringed Patent," April 2012
  • "'s Canadian "one-click" Patent on the Threshold of Issuance," January 2012
  • "Business Method Patents: How Prepared are You?" December 2011
  • "Surely Business Methods are Prohibited in Canada? - Ramifications of the Amazon Appeal Decision on Doing Business (Methods) in Canada," December 2011
  • "Business Method as Essential Element of Valid Patent Claim: Amazon One-Click Decision, a Canadian Prosecution Perspective," November 2011
  • "Top Ten Tips for Dealing with Business Method Patents in Canada," September 2011


Mandats représentatifs

Grant's past activities include:

  • Overseeing development and implementation of an innovation program and resulting patent portfolio for a global company in advance of their next generation technology release for rugged mobile computing products and support systems.
  • Conducting patent mining sessions for a large multinational telecommunications company resulting in a worldwide patent portfolio of 300+ patents and patent applications for mobile software development and deployment tools.
  • Coordinating freedom-to-operate investigations for a Canadian company in advance of releasing mobile workforce management applications via a large U.S. carrier.
  • Conducting infringement investigation and patent portfolio valuation analyses for a leading Canadian company in preparation for an intellectual property asset sale.
  • Preparing IP due diligence materials in advance of sale by a Canadian company of their international patent portfolio on fibreboard production technology to a wood-based panel division of an international group of companies.