Skip to main content
Stéphanie Lavallée Associée/Partner Montréal

Stéphanie Lavallée

Partner Fasken
A litigator’s greatest asset is that of knowing to prepare until the very last minute.
Jurisdiction Québec, 2003
Language(s) French, English
Office(s) Montréal


Stéphanie Lavallée is a litigator who specializes in major complex litigation involving commercial disputes, class actions, product liability and civil liability. As part of her practice, she regularly appears before the courts at all levels.

Stéphanie specializes in large-scale litigation cases that require considerable evidence management. She acts primarily in complex cases and in class-action defence. She provides practical, innovative advice and participated in drafting an historic sexual abuse settlement and protocol for compensation.


Stéphanie also participates in writing legal books and is actively involved in her community as a director on the boards of various arts and cultural organizations.


  • Recognized in Class Action Litigation and Corporate and Commercial Litigation in Montréal, The Best Lawyers in Canada 2022 to 2024
  • Recognized in Québec as a Future Star, Benchmark Litigation Canada 2019 to 2023
  • "Jeune leader en action" award granted by the Jeune Chambre de commerce de Montréal (2011) , Junior Chamber of Commerce of Montreal 2011

Client Work

  • RAMQ Administrative investigation of Pharmaprix owner-pharmacists,
  • Defending the interests of one of the largest financial institutions in Québec in class actions related to mortgage loan activities,
  • Government of Quebec wins important victory concerning stabilization payments before Federal Court of Appeal,
  • Jointly with fellow lawyers from the firm, she advised two important clients of the firm on issues concerning the preservation of agricultural land in cases of province wide scope,
  • Jointly with fellow lawyers from the firm, she advised two important clients of the firm on issues concerning the preservation of agricultural land in cases of province wide scope,
  • Was a member of the team in charge of defending a multinational in an important class action suit concerning product liability,
  • Action To Annul Two Agreements For The Sale of Shares of Uranor inc. and Omégalpha inc.,
  • Administrative Investigation Of Owner-Pharmacists Working Under The Pharmaprix Banner,
  • Class action instituted in the context of event that occurred following the COVID-19 crisis in long-term care centers (CHLSD),

Career & Education


  • LLM Université de Montréal
  • BCL McGill University
  • LLB McGill University

Community involvement

  • Volunteer teacher for the moot court of the Canadian Bar Association’s Citizenship and Charters Committee, offering courses on charters to high school students and teaching them how to participate in a simulated hearing before the Supreme Court of Canada (2009-)  
  • Co-chair of the Brigade arts affaires de Montréal (BAAM), a federative organization whose mission is to draw the largest possible number of up-and-coming business people to the arts by holding exclusive events, professional networking activities and initiatives to promote art patronage and philanthropy (February 2015 to 2017)
  • Helped mobilize the rising stars of Montreal’s business community to attend a BAAM event that welcomed a record-breaking 750 people and all of Montreal’s up-and-coming professionals from the arts and business committees to announce an innovative and historic initiative--Cadeau de Montréal. This BAAM initiative consists of 100 members of our future business leaders, who will offer the City of Montreal a public work of art for its 375th Anniversary.
  • Member of the Board of Directors of the Grands Ballets Canadiens and member of the governance committee (2014-)
  • Member of the arts/business relations task force created by MassivArt (2014)
  • Participant in the arts/business roundtable organized by the Conseil des arts de Montréal (2014-)
  • Director on the board of O Vertigo, and responsible for the fund-raising committee (2013-)
  • Member of the investis pour les arts, a group whose goal is to inspire young business professionals to become cultural philanthropists who provide financial support to foster the development and raise the public profile of Montréal’s creative community (2013-)
  • Member of the Ambassadors’ Committee of the Québec Breast Cancer Foundation, whose goal is to make the next generation of business professionals aware of this cause (2013-2015)
  • Member of the honorary and fund-raising committees of Les amis de la montagne, under the honorary presidency of Ms. Julie Godin, Senior Vice-President, Human Resources and Strategic Planning, CGI (2013)
  • Member of the honorary and fund-raising committees of the Montreal Space for Life Foundation, under the honorary presidency of Ms. Anik Trudel, General Manager, Edelman Montréal (2013)
  • Member of the honorary and fund-raising committees of the pan-Canadian institution Les Grands Ballets Canadiens, under the honorary presidency of Ms. Isabelle Hudon, President, Sun Life Financial, Québec (2012-2013)
  • Member of the honorary and fund-raising committees of O Vertigo, under the honorary presidency of Ms. Nathalie Francisci, Partner, Odgers Berndtson (2012-2013)
  • Vice-President, Professional Development Vice-Presidency of the Jeune Chambre de commerce de Montréal (2011-2012 mandate)
  • Co-Director, Tremplin Finissants, professional development vice-presidency of the Jeune Chambre de commerce de Montréal (2010-2011 mandate)

Memberships & Affiliations

  • Member, Barreau du Québec
  • Member, Canadian Bar Association
  • Member, Bar of Montréal


Fasken Institute



Article The Superior Court of Québec Refuses to Authorize a Class Action against the Holy Cross Congregation and Saint-Joseph’s Oratory Litigation & Dispute Resolution Bulletin
Article Obligation of parties: general provisions that apply to contracts of enterprise or for services
Book Examen médical et autres demandes d'expertise


    Receive email updates from our team