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David Grossman (il·he·him)

514 934-7730
Helen Michalopoulos
514 935-4460 extension 221

Languages : English and French

Law Society of Ontario — 2006
Quebec Bar — 2007

David takes a holistic approach to his cases in order to find efficient and practical real-world solutions for his clients. He represents clients in a diverse group of practice areas, with a focus on contractual claims and civil liability. He has particular expertise managing complex and multi-party disputes, and has pleaded before all levels of court in Canada, including the Supreme Court.

David is also a director of the Raoul Wallenberg Centre for Human Rights, where he works, among other projects, on the defence of political prisoners. David Grossman has previously served as a law clerk to the Honourable Michel Bastarache of the Supreme Court of Canada, and as special assistant to the Honourable Irwin Cotler, former Minister of Justice and Attorney General of Canada. He joined IMK in 2012.

Representative work

Ludmer et al v. Canada Revenue Agency: Ludmer in an action taken against the CRA for abusive conduct during the course of an audit and reassessment.

Digital Shape Technologies v. Walker: Walker in a defamation action arising out of critical comments published on a ratings website regarding her ex-employer.

Badia v. 9154-1813 Québec Inc. et al.: 9154-1813 Québec Inc. in an oppression action filed by an alleged shareholder seeking an ownership interest in the company.

Trinity Western University v. Law Society of Upper Canada: The Intervenor Canadian Bar Association before the Ontario Court of Appeal (and the Nova Scotia Court of Appeal, in related litigation) in a dispute arising out of the law society’s decision not to accredit the university in the context of a discriminatory admissions policy.

Kazemi Estate v. Islamic Republic of Iran: The Estate and the son of the late photo-journalist Zahra Kazemi, at the Supreme Court of Canada, challenging the constitutionality of Canada’s State Immunity Act insofar as it bars civil redress for torture.

R v. Munyaneza : The Intervenors Canadian Centre for International Justice and Canadian Lawyers for International Human Rights, in an appeal of Canada’s first conviction under the Crimes Against Humanity and War Crimes Act.


B.C.L., LL.B., McGill University, 2005 (Gold Medalist)
B.A. (Hon) in Philosophy and Sociology, McGill University, 2001


Law Clerk to the Honourable Michel Bastarache, at the Supreme Court of Canada, 2005-2006

Industry recognition

2023 Best Lawyers in Canada (Administrative and Public Law, Class Action Litigation, Corporate and Commercial Litigation)

2022 Benchmark Litigation Star
2022 Best Lawyers in Canada (Corporate and Commercial Litigation)

2021 Lexpert Repeatedly Recommended (Corporate and Commercial Litigation)
2021 Benchmark Litigation Star
2021 Best Lawyers in Canada (Corporate and Commercial Litigation)

2020 Lexpert Leading Lawyers to Watch (Corporate and Commercial Litigation)
2020 Best Lawyers in Canada (Corporate and Commercial Litigation)
2020 Benchmark Litigation Star

2019 Lexpert Leading Lawyer to Watch (Corporate and Commercial Litigation)
2019 Best Lawyers in Canada (Corporate and Commercial Litigation)
2019 Benchmark Litigation Future Star

2018 Lexpert Leading Lawyer to Watch (Corporate and Commercial Litigation)


Canadian Bar Association
Lord Reading Law Society
The Advocates’ Society

Professional activities

Raoul Wallenberg Centre for Human Rights (InterAmicus), Director, 2013 — present


Co-Lecturer with Janet Michelin of Trial Advocacy Course at McGill University, 2020

Evidence: Civil Matters (sessional lecturer at McGill University, Winter 2011-2013)

Recent publications

“Commentaire sur la décision École secondaire Loyola c. Québec (Procureur général) – L’importance des valeurs fondamentales dans les décisions administratives”, Repères, June 2015

Speaking Engagements

Regulatory Behaviour in The Digital Age: Exploring Revenge Porn, Harassment and Free Speech (presentation at McGill University, Winter 2017)

A Comparative Perspective on Defamation in Civil Law and Common Law (guest speaker at the University of Ottawa, Winter 2014 and 2016)

Freedom of Expression and Web 2.0 (presentation at McGill University, Winter 2013)

Le secret professionnel et le privilège relatif au litige au Québec, Colloque CCH – « Droit de la preuve » (November 27, 2013)