Marc-André Sansregret

Lawyer, Partner - Montréal

Québec Bar 2001
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Marc-André Sansregret practices in the areas of civil and commercial litigation, and he specializes notably in mining litigation. He also has an interest in individual labour relations.

As an experienced strategic advisor, he has acquired a thorough knowledge of the operations of companies working in a variety of industrial sectors.

Marc-André defends his clients’ interests before trial as well as appellate tribunals. He also appears before arbitration courts and is regularly involved in cases governed by the rules of the American Arbitration Association (AAA) and those of the United Nations Commission on International Trade Law (UNCITRAL).

Representative Work

  • An Important Victory for Metro Inc. in an Oppression-Remedy Lawsuit

    Metro Inc., represented by law firm Langlois Kronström Desjardins, has won an important victory in a legal dispute with some of its shareholder merchants. On May 17, 2011, the Honourable Robert Mongeon of the Superior Court of Québec, in a detailed judgment, dismissed the oppression-remedy proceedings claiming abuse of shareholder rights brought by the Regroupement des marchands actionnaires.

Commercial Litigation
Ungava Mineral Exploration Inc. v. Mullan and Durham et. al., 2008 QCCA 1354
He was part of the senior team of lawyers who successfully defended a $50 million damages claim in the mining sector before all levels of courts, including the Supreme Court of Canada.  In the process, the Court of Appeal rendered a precedent-setting decision on the principle of res judicata.

Litigation – Duty of loyalty
Gravino v. Enerchem Transport Inc., 2008 QCCA 1820

Marc-André was co-lead counsel with Raynold Langlois, Q.C. in their successful defence against a damages suit in a complex matter involving the duty of loyalty and the appropriation of a business opportunity by former directors of a company. In the course of the proceedings, which went all the way to the Supreme Court of Canada, the Quebec Court of Appeal rendered a precedent-setting judgment on the duty of loyalty, specifically on the criteria for assessing a maturing business opportunity.     




Since 2004 – Member of the Young Alumni Advisory Board of McGill University’s Faculty of Law

Since 2008 – Co-chair of the Young Alumni Advisory Board of McGill University’s Faculty of Law

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