Cassiopée Mailloux-Boucher

 Lawyer
Key practice areas
Litigation and Dispute Resolution
Québec Bar 2023
Montréal
+1 514 282 7802
cassiopee.mailloux-boucher@langlois.ca
Download Mailloux-Boucher, Cassiopée's card

Cassiopée Mailloux-Boucher focuses her practice on civil and commercial litigation, banking law, corporate governance, restructuring and class actions. She handles complex cases involving contractual, financial and regulatory matters. She has represented corporations, financial institutions and public organizations before all levels of Québec courts.

Before embarking on her legal career, she completed a Bachelor’s degree in pharmacology, a Master's degree in health law, as well as a Master 2 degree in law and governance of healthcare establishments in France. Her scientific training equipped her with exceptional analytical rigour and the ability to confidently address technical and highly specialized matters. She has a remarkable talent for breaking down complex issues to provide her clients with clear, strategic advice tailored to their needs.

Keenly aware of the importance of community engagement, Cassiopée is also involved in various pro bono and community projects.

  • Represented an energy sector company in litigations relating to major infrastructure development and associated contractual obligations.
  • Participated in corporate governance mandates, including proxy battles and internal investigations arising from disputes between boards of directors and management teams.
  • Assisted businesses facing allegations related to financial markets, especially in areas of regulatory compliance, governance and risk management.
  • Represented corporations targeted by class actions filed under the Consumer Protection Act and the Competition Act.
  • Represented insolvent corporations, particularly from the pharmaceutical and food sectors, in restructuring pleadings governed by the Companies’ Creditors Arrangement Act.
  • Defended financial institutions in various banking matters, including contract litigation and legal liability claims, as well as in actions involving securities and securitization issues.
  • Represented creditors, private lenders and financial institutions in legal actions, particularly concerning the enforcement of security interests and the realization of guarantees.
  • Fondation de l'UQAM scholarship for the highest grade in her cohort in the Advanced Civil Procedure course, 2022
  • Honoured among UQAM's Legal Sciences Department 24 most outstanding female students, 2021
  • Éditions Yvon Blais prize for the highest grade in her cohort in the Civil Liability course, 2021
  • Award of excellence for her Master's thesis on accessibility to dental care services in Québec, 2019
  • First place in the 2018 Centenary Competition (Montpellier) for a joint dissertation on the impact of the First World War of 1914-1918 on health law, 2018
  • Award of excellence for the presentation of a clinical study on the quality-of-life impacts of surgery in brain tumour (glioblastoma) patients, 2015
  •  Pro Bono Canada and affiliated organizations (Legal Clinic of Montréal and Garage à Musique), ad hoc involvement
  • “Plaide ta cause” moot court competition, Guest volunteer judge
  • Co-author: “Le devoir de diligence” [The duty of due diligence], Finance et Investissement, June 5, 2023.

LL.B., Université du Québec à Montréal, 2022

Master 2, Law and governance of healthcare establishments, Université de Montpellier, 2019

LL.M., Health law and policies, Université de Sherbrooke, 2019

B.Sc., Pharmacology, Université de Sherbrooke, 2016

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