Marc-Alexandre Hudon

Lawyer, Partner - Montréal

Québec Bar 2007
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A versatile lawyer, Marc-Alexandre Hudon is a member of both our litigation and business law groups. His practice focuses primarily on the protection of personal information, cybersecurity, public contracts, business integrity, administrative law and Aboriginal law. He acts for a wide range of clients, particularly in the natural resources and energy, infrastructure, health and technology sectors. A seasoned litigator before both Quebec courts and the Federal Court, he assists clients with investigations, transactions and various related matters.

Protection of personal information and cybersecurity

Marc-Alexandre has a deep understanding of the legal issues involved in the protection of personal information and cybersecurity, at both the provincial and federal levels. His expertise in this area includes investigations, providing advice and representing clients before the Commission d’accès à l’information du Québec and the Federal Court. Over the course of his career, he has acted for a broad range of clients in more than a hundred cases of all sizes, including confidentiality incidents, loss or theft of personal information, data breaches, ransomware, access requests and regulatory compliance.

He also advises clients on all aspects of personal information protection pertaining to artificial intelligence (AI) including AI solution selection, development and risk assessment, storage and safeguard of AI data and related issues with respect to individuals’ rights to access such data, designing and implementing AI compliance program and monitoring of AI solution performance. He is also familiar with emerging AI issues that intersect with some of his other areas of expertise, including competition law and business integrity.

Internal investigations, public contracts and business integrity

Marc-Alexandre has extensive expertise in internal investigations, public contracts and, more broadly, business integrity, as well as anti-corruption legislation at both the national and international levels. He frequently acts on behalf of companies and their boards of directors to develop strategies and policies to preserve the integrity of their administrative processes, including with respect to the Corruption of Foreign Public Officials Act.

Aboriginal law

Marc-Alexandre advises Canadian and international clients on all aspects of Canadian Aboriginal law, including in connection with business transactions, litigation, or matters relating to Aboriginal consultation and accommodation processes, treaties and the Indian Act. He is also recognized for his significant experience in creating and implementing joint ventures, co-enterprises and other partnerships that qualify as Aboriginal businesses with First Nations in Ontario, Quebec, Nunavut, Saskatchewan, Manitoba, and Newfoundland and Labrador.

Administrative law and professional law

In the area of commercial litigation, Marc-Alexandre regularly represents clients in matters such as judicial reviews, administrative law remedies, and complex legal proceedings related to his other areas of practice. He appears before all levels of court in Quebec, including the Superior Court, the Court of Quebec, the Tribunal administratif du Québec, councils and the Commission d’accès à l’information.


Master’s degree in international employment relations and human resource management, London School of Economics and Political Science, 2006

Canadian Securities Course (CSC), 2003

B.C.L./LL.B., McGill University, 2003

BBA, HEC Montréal, 2000

Rankings & Recognitions

Canadian Legal Lexpert Directory – Indigenous Law, 2019-2020 and 2022

Lexpert Special Edition: Energy, 2020 and 2022

The Best Lawyers in Canada – Aboriginal Law, 2023-2024

The Best Lawyers in Canada – Corporate and Commercial Litigation, 2024




Other Publications

Author: “The Supreme Court of Canada Recognized the Existence of an Aboriginal Title!”, Le Point magazine, September 2014.

Author: “Loi sur l’aménagement durable du territoire forestier : réflexions à l’égard de la consultation des communautés autochtones à l’occasion du premier anniversaire de l’entrée en vigueur de la loi”, Le Point magazine, April 2014.

Author: “Vers une théorie du droit à la contre-preuve en droit civil québécois”, Preuve et procédure civile en bref, no. 3, September 2012.

Author: “Les droits des peuples Autochtones et la justification économique”, as part of the 7th Forum Autochtone, Montréal, September 29, 2011.

Author: “L’application des articles 54.1 et suivants C.p.c. en matière de responsabilité professionnelle et médicale”, Repères, February 2011, EYB2011REP1004.

Coauthor: “La prévention de l’utilisation abusive des tribunaux (articles 54.1 et s. du Code de procédure civile)”, Développements récents et tendances en procédure civile, Barreau du Québec, 2010.

Coauthor: “Responsabilité et recours collectifs : une coexistence difficile?”, Fifth symposium on Class Actions, Association du Barreau canadien, Éditions Yvon Blais, 2010.



Copresident : Journée stratégique sur la consultation et les accommodements avec les communautés autochtones, organized by Open Forum Ouvert, Montréal, December 5, 2022.

Speaker: Révision de la jurisprudence en droit de l’environnement de l’année 2021, Canadian Bar Association, webinar, April 27, 2022.

Speaker: Seminar on Bill 12, CETAQ, March 2022.

Speaker: Risques juridiques et considérations pratiques liées à la réalisation de projets à l’étranger, Aluminium Association of Canada, May 30, 2019.

Speaker: Points saillants du Projet de loi 108, Super Conférence sur la Construction, November 28, 2017.

Speaker: Survol de la Loi sur les mesures de transparence dans le secteur extractif, Déjeuner PWC, October 25, 2016.

Speaker: Le développement pétrolier et les partenariats avec les autochtones, as part of the Partenariats d’affaires avec les communautés Autochtones, The Canadian Institute, February 11, 2015.

Speaker: Building Efficient Partnerships with First Nations, Canadian Wind Energy Association’s annual convention, October 28, 2014.

Speaker: Tsilhqot’in Nation v. British Columbia, 2014 SCC 44 – Thoughts and Perspectives, Canadian Council for Aboriginal Business, September 15, 2014.

Speaker: Building First Nation Economic Capacity Through Partnerships – Wind Power Case Study, Aboriginal Lands and Natural Resources Symposium, organized by Insight, April 28, 2014.

Speaker: Infrastructure Financing Models with Aboriginal Partnership for Resource Development Projects, Aboriginal Lands and Natural Resources Forum: From Debt Management to Wealth Management, May 29, 2013.

Speaker: Les droits des peuples autochtones et la justification économique, as part of the 7th Forum in Aboriginal Law, Montréal, September 29, 2011.

Speaker: Nouveaux enjeux en matière de droit autochtone adressés par la Cour Suprême du Canada dans le domaine de l’environnement et des processus de consultation, as part of the 6th Forum in Aboriginal Law, September 27, 2010.


Canadian Music Centre (Quebec), member of the board of directors, since 2014

Canadian Music Centre (Canada), member of the board of directors, 2015-2017 and since 2023

Île-des-Sœurs Elementary School, member of the school board, 2019-2023

Professional Associations

Canadian Bar Association, member of the Aboriginal Law, Competition Law and Foreign Investment Review, Privacy and Access sections

International Association of Privacy Professionals

American Bar Association – Antitrust Law / Data Privacy Section

Barreau du Québec, member of the Expert Group on Aboriginal law, since 2018

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