Ridout & Maybee has joined Smart & Biggar

Ridout & Maybee has joined Smart & Biggar, Canada’s leading team for intellectual property, and now operates as one firm under the Smart & Biggar brand.

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Canada’s Intellectual Property Firm

David Heller

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David Heller

  • Smart & Biggar LP

David Heller is a Principal in the firm’s Toronto office. His practice encompasses international portfolios protecting a broad range of IP rights, with specialization in the areas of pharmaceuticals, biotechnology, nuclear, mechanical, and chemicals.

Prior to his legal career, David conducted physiology research for the Department of National Defence, and transplantation research for Toronto’s Sunnybrook Medical Centre. He was also Assistant Science Policy Advisor to the Ontario Minister of Labour.

David’s passion for his work comes from helping clients move from the start-up stage to become successful international corporations, in part due to diligent IP protection and enforcement. David has been recognized as a leading IP lawyer in the Chambers Global Guide in 2012, 2013, and 2014, in which he was praised as “commercially aware, to the point and easy to get along with”. David also received the International Advisory Experts Award for Intellectual Property in 2020.

Away from the office David enjoys canoeing, kayaking, snowmobiling, skiing, and spending time with his family.


  • Industry Involvement
  • In the Media


  • Intellectual Property Institute of Canada — IPIC
  • International Federation of Industrial Property Attorneys — FICPI
  • International Association for the Protection of Industrial Property — AIPPI
  • Toronto Intellectual Property Group — TIPG

Teaching Activities

  • University of Toronto — Masters of Biotechnology Program (Guest lecturer)
  • Osgoode Hall Law School, York University — Structuring, Negotiating and Drafting Intellectual Property Licensing Agreements (Instructor)


  • Heller, D. & Pitkin, J. “Fifty Shades of Colour; Registering Colour Trademarks”, Canadian Lawyer InHouse, Vol. 11, Issue 1, January 2016
  • Heller, D. & Langan, C. “Promises that can kill patents”, Canadian Lawyer InHouse, Vol. 9, Issue 5, October 2014.
  • Heller D. & Agha, K. “Deep into the Genome: A Roundtable Discussion on IP, Patenting, and Personalized Medicine”, BioBusiness, pp. 10-12, July/August 2012.
  • Heller, D. & Lee, J. “Amazon Finally Wins”. Canadian Lawyer InHouse, Vol. 7, Issue 3, June/July 2012.
  • Heller, D. & Komarnicki, V. “Canada: Bar Raised for Attacking Patent Validity in Canada; Duty of Candour Narrowed”, Mondaq, December 19, 2011.
  • Heller, D. & Lee, J. “Privilege continues to evade patent agents”, The Lawyers Weekly, September 17, 2010.
  • Heller, D. & Boulakia, C. “Beware Of What Your Canadian Patent Lawyer Is Saying”, APLF IP Law Bugle, March 2010.
  • Heller, D. & Roach M. The Role of Subsequent Entry Biologics — Intellectual Property 2008, XIV(2), 854-858.
  • David Heller and Adrian Zahl, “Proposed regulations to adjust generic balance”, Managing Intellectual Property (Focus — Life Science: Canada), March 2005.
  • Heller, DJ and JD Wilson, “vHarvard Mouse Trapped: Transgenic higher life forms not patentable in Canada”, Carswell: Legal Alert, 21(11):82-85, 2003.
  • Heller, DJ, “Canada Rules That Transgenic Animals are Nonpatentable”, Genetic Engineering News, 23(2): 6, 59, 60, 2003.
  • Heller, DJ, “Court allows patent on Harvard Mouse”, Law Times, August 21, 2000.
  • Heller, DJ, “Will patents on plants be detrimental to the developing world.”, Law Times, July 17, 2000.