Partner

Mylène Vallières is a member of the Business law group. Her practice is primarily focused on securities law and mining law. She also assists clients carrying out public and private financings, corporate reorganizations, as well as mergers and acquisitions. She also served as assistant to the chief negotiator for Québec in the negotiation of the Comprehensive Economic and Trade Agreement (CETA) between Canada and the European Union.

Over the years, Mylène has honed her expertise in fundamental concepts and issues related to environmental, social and corporate governance factors, and developed a keen interest in advancing these issues, driving her to obtain an Osgoode Certificate in ESG, Climate Risk and the Law from Osgoode Professional Development.

Education

Significant Accomplishments

Ms. Vallières completed her bachelor of laws (cooperative program) at Université de Sherbrooke and graduated on the Dean's list with distinction. Before beginning her legal studies, she completed a first bachelor's degree in business administration at Université du Québec à Trois-Rivières, after which she acquired significant professional experience in the areas of sales, marketing, and import/export.

During the course of her university studies, Ms. Vallières participated in two exchanges - one at Université Jean Moulin in Lyon, France, where she studied international law, and the other at the Universitas de las Americas in Puebla, Mexico, where she studied international marketing and negotiation.

Professional Associations
Young Bar Association of Montreal
Canadian Bar Association
Young Canadians in Finance


Professional Activities and Experience
Accolades

• Best Lawyers - Ones to Watch 2026

• The Supreme Court rules on a broker's right to a commission when no sale is concluded
• Pension plans, the charter and disparity in treatment clauses the Court of Appeal issues its judgment in the Groupe Pages Jaunes case
• New disclosure obligations for Quebec mining, oil and gas companies
• Canada-Europe Free Trade Agreement - Imminent provisional entry into force
• The Government of Canada extends the Mineral Exploration Tax Credit for an additional year
• Environmental claims about a product, a service or business activities: stricter rules to combat greenwashing
• The Government of Canada extends the Mineral Exploration Tax Credit for an additional Two years
• Reminder: Canada's Modern Slavery Act Report Due by May 31, 2025