Daniel Hnatchuk

Daniel Hnatchuk

Associate, Intellectual Property

Contact Information


tel: 613.787.1102



Bar Admission

Ontario, 2016


University of Ottawa, JD Common Law, Cum Laude

Queen’s University, MSc Biochemistry

University of Guelph, BSc (Hons) Biochemistry



Daniel is an associate in Osler’s Intellectual Property Group, focussing on pharmaceutical patent litigation but drawing on his broad experience in patent, trademark, industrial design and copyright litigation, and marketing & advertising law. He previously practiced in the litigation group at a national intellectual property firm.

Daniel’s approach to IP litigation is client-centric, pragmatic, and cost-conscious, but also driven towards success in the courtroom and at the negotiating table. He has gained experience in numerous appearances as counsel before the Federal Court and Federal Court of Appeal and has also represented clients before the Ontario Superior Court of Justice.

Daniel has also been a registered trademark agent since 2018.

    *Notable matters prior to joining Osler, Hoskin & Harcourt LLP

    *Enforcement of food-related industrial designs, and defence of patent infringement allegations pertaining to manufacturing equipment on behalf of a large multinational food processor and wholesaler.

    *Several actions on behalf of a market-leading automobile accessory manufacturer against large retailers, resulting in favourable settlements including the ceasing of sales of the impugned products.

    *Defence against trademark infringement and passing-off allegations relating to high rise construction equipment.

    *Involved in high-stakes accounting of profits trial following a successful finding of patent infringement.

  • Best Lawyers: Recognized as “One to Watch” in Intellectual Property Law

  • Intellectual Property Institute of Canada (IPIC)


  • Functional characterization of a Kar3/Vik1-like Kinesin-14 heterodimer from the filamentous multinucleate fungus Ashbya gossypii (Thesis), QSpace - Queens University, 2012.
  • Crystal structure of the Kar3-like kinesin motor domain from the filamentous fungus Ashbya gossypii, PubMed, 2012.
  • Obtaining highly purified intrinsically disordered protein by boiling lysis and single step ion exchange, Analytical Biochemistry, 2009.