Me Isabelle Gagnon
418-392-3542 |  igagnon@gagnonclaveau.com

Me Isabelle Gagnon practices in general litigation. She advises businesses, non-profit organizations and individuals on a wide range of issues and represents them before courts and administrative bodies.

Me Gagnon is also a certified mediator in family law.


Me Gagnon practiced in civil and commercial litigation for a few years in a top-tier law firm based in Montreal, before joining a boutique firm specialized in environmental, municipal and real estate law. She moved to Gaspesie in 2017 and established her own law firm.


Me Gagnon holds an LL.B., a graduate diploma in environment and sustainability, as well as a certificate in international studies from the University of Montreal. She also studied European Law at the University of Bologna, Italy.  

Having always highly valued social involvement, she has been elected to serve on the board of the Lower St-Lawrence-Gaspé-Magdalen Islands Bar since 2018, today occupying the position of first councilor. She was also elected to the board of directors of the Caisse Desjardins de la Baie-des-Chaleurs in 2021. She was named on the Committee on Environmental Law of the Quebec Bar for 2016-2019. Me Gagnon routinely takes part in free legal clinics offering legal services to the Inuit communities of Quebec. 


Me Gagnon is fluent in English, French and Italian.  

Me Isabelle Gagnon


  • Bachelors' degree in Law, University of Montreal, 2011

  • Graduate Diploma in Environment and Sustainability, University of Montreal, 2016

  • Certificate in International Studies, University of Montreal, 2007

  • Certification as family mediator, 2021

Professional Affiliations

  • Montreal's Bar Association

  • Gaspesie's Bar Association

  • Chamber of Commerce of the Baie-des-Chaleurs

  • Association of Provincial Lawyers

  • Association of Quebec Lawyers

  • Loyalty program of the Réseau M of the Fondation de l'entrepreneurship

  • Advisor in environmental law for the Ottawa Law Review



  • Lavery Award in Environmental Law (2011)