David's practice specializes in the areas of pharmaceuticals, biotechnology, and chemistry.

David Heller is a partner of Ridout & Maybee LLP in the firm’s Toronto office. His practice specializes in the areas of pharmaceuticals, biotechnology, and chemistry.

Prior to commencing 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 is currently a member of the firm's Executive Committee.

B.Sc. (Honours Biology/Chemistry), 1989, University of Waterloo
LL.B., 1994, University of Toronto
Barrister & Solicitor, Province of Ontario, 1996
Registered Patent Agent, Canada, 1997
Registered Trade-mark Agent, Canada, 1997

Intellectual Property Institute of Canada (IPIC), Associate
IPIC Biotechnology Legislation Committee
Toronto Biotechnology Initiative
American Intellectual Property Law Association (AIPLA)
International Federation of Industrial Property Attorneys (FICPI)
FICPI Biotech Committee
International Association for the Protection of Industrial Property (AIPPI)
Guest lecturer for the University of Toronto Masters of Biotechnology Program

Heller, D. & Anand, N. "Functional Pharma Claim Flawed, Finds Federal Court of Canada", APLF IP Law Bugle, June 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, “Harvard 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.