Maxime Saint-Onge

Lawyer, Associate


English, French





Maxime Saint-Onge is an associate in our Civil and Commercial Litigation Group. His practice focuses on dispute prevention and resolution, and on representing a diversified clientele of small and medium-sized businesses before the courts as a litigator.

Maxime has advised and represented clients in numerous defamation cases, including those involving libel on social media. He has also represented private lenders and construction companies in trials and on appeal, particularly in legal hypothec and compelled transfers of title cases. Furthermore, Maxime has advised and represented syndicates of co-owners before the courts, notably in cases involving design or construction defects, defamation, and challenges to decisions made by boards of directors or assemblies of co-owners.

He is a versatile lawyer, proficient in pleading techniques, rules of procedure and practice before the Quebec courts, as well as drafting and legal research in the context of dispute prevention and resolution.


Winner of the Fasken Martineau Cup awarded to the winning team of the Pierre-Basile-Mignault Competition (2016)


  • Director of The Advocates’ Society’s Young Advocates Standing Committee (2021–present)
  • Young Bar of Montreal (2017–present)


Enforcement in Quebec of Foreign Judgments: Restraint Is in Order With Abusive Clauses

6 October 2022

Quebec law allows for the recognition and enforcement of judgments rendered by foreign courts. Although these decisions are rendered according to foreign laws, can or must Quebec courts take into consideration the Quebec and Canadian public order principles in deciding whether to recognize such judgments? In Awanda c. AMBC Ventures Inc., 2022 QCCA 1133, the […]

Can You Slander a Candidate in an Election?

21 June 2022

What are the limits of what can be said on social media about a candidate in an election? The question was answered in Laprise c. Simard, 2022 QCCS 1384, a recent decision by Justice Claude Bouchard of the Superior Court. The Facts The plaintiff is the candidate for the Conservative Party of Canada in the […]

Publications and Conferences

  • Numerous appearances in Quebec French media to discuss defamation on social media (2021 and 2022)
  • “La diffamation en contexte médiatique”, conference at the Fédération professionnelle des journalistes du Québec’s convention, November 2019
  • Le cannabis en copropriété divise québécoise, Éditions Yvon Blais, Repères, 2019, EYB2019REP2670

Community Involvement

  • Soccer Québec Provincial Appeal Committee (2022)
  • Coach and judge for the McGill University Pre-Law Students’ Society (2020)
  • Ambassador for the Marie-Vincent Foundation (2019)


Seminar on Advocacy Techniques

Bar of Quebec


Bachelor of Laws (LL.B.)

Université de Montréal


Call to Bar