Marc-Antoine Séguin


A pragmatic approach centered on risk prevention enables Marc-Antoine to anticipate potential issues and the future needs of his clients


After articling in a major Montreal law firm, Marc-Antoine joined the Sodavex team in 2020. He develops a hybrid practice containing elements of litigation and corporate law in order to meet the diverse needs of his clientele.

Marc-Antoine obtained his BCL from McGill university in 2018, after having completed a BA philosophy and a Minor in Civil law from the University of Ottawa in 2015. 

Marc-Antoine’s main interests are civil and administrative litigation, judicial review, environmental compliance, due diligence, contract drafting and ministerial authorizations. 


  • Quebec Bar : member since 2019

Social involvement

  • 3RMCDQ 
  • CPEQ
  • Marc-Antoine is the president of 2359 Productions, a French-Canadian theater company based in Ottawa. The mission of 2359 Productions is to create interactive experiences by mixing new technologies and documentary theater
  • Marc-Antoine was until 2019, Director of the Student advocacy service, a branch of the Legal Information Clinic at McGill. As such, Marc-Antoine acted on behalf of students dealing with conflicts within the university. He also served as an advisor for the creation and updating of many McGill policies

Stay informed!

Newsletter, ReportPublished on April 24, 2020

Le gouvernement adopte les modifications des redevances à l’élimination des matières résiduelles qu’il avait annoncées : la notion de temporaire est mise à rude épreuve!

La redevance supplémentaire qui devait être imposée pendant cinq ans le sera pendant huit ans de plus et elle sera indexée à 9,69$/tonne à compter du 1er juillet 2013.

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Associate members