Isabelle Duval Partner, Lawyer

Isabelle Duval Partner, Lawyer

Office

  • Montréal

Phone number

514-877-2941

Fax

514-871-8977

Bar Admission

  • Québec, 2008

Languages

  • English
  • French

Profile

Partner

Isabelle Duval is a member of the Family, Personal and Estate Law group.

She handles every aspect of family law, from divorce, separation, relocation and custody to child and spousal support.

Isabelle holds a Juris Doctor in Common Law and a Master in Business Law from the Université de Montréal and has successfully argued many major cases, including longstanding cases, before the Superior Court and the Court of Appeal of Québec. She has developed expertise in divorces involving high-stakes complex financial issues, support applications, parental alienation and contested custody.

Professional and Community Activities

  • CAS, Faculty of Law, Université de Montréal

Distinctions

  • The Best Lawyers in Canada in the field of Trusts and Estates since 2026
  • The Best Lawyers in Canada in the field of Family Law, 2022
  • 2017 YBM Lawyer of the Year - Family Law, Young Bar of Montréal, awarded during the “Gala les leaders du demain”
Best Lawyers 2026

Education

  • L.L.M., Master in Business Law, Université de Montréal, 2009
  • J.D., North American Common Law, Université de Montréal, 2007
  • LL.B., Bachelor of Laws, Université de Montréal, 2002

Boards and Professional Affiliations

  • Vice President of the Canadian Bar Association (CBA)
  • Member of the Association des Avocats et Avocates en droit de la famille du Québec (A.A.A.D.F.Q.)
  1. Best Lawyers 2027 - 80 Lavery lawyers recognized

    Lavery is pleased to announce that 80 of its lawyers have been recognized as leaders in 44 areas of expertise in the 21th edition of The Best Lawyers in Canada in 2027. This ranking is based entirely on peer recognition and rewards the professional achievements of the country's top lawyers. Two partners from the firm were named Lawyer of the Year in the 2026 edition of The Best Lawyers in Canada directory: Jean Legault : Insolvency and Financial Restructuring Law Judith Rochette : Insurance Law See below for a complete list of Lavery lawyers and their areas of expertise. Please note that the practices reflect those of Best Lawyers. Geneviève Beaudin : Employee Benefits Law and Labour and Employment Law Josianne Beaudry : Mergers and Acquisitions Law, Mining Law and Securities Law Geneviève Bergeron : Intellectual Property Law Laurence Bich-Carrière : Administrative and Public Law, Class Action Litigation, Construction Law, Corporate, Commercial Litigation and Product Liability Law Dominic Boisvert : Insurance Law Étienne Brassard : Aviation Law, Corporate Law, Equipment Finance Law, Mergers and Acquisitions Law, Project Finance Law, Real Estate Law and Venture Capital Law Myriam Brixi : Class Action Litigation and Product Liability Law Benoit Brouillette : Labour and Employment Law Marie-Claude Cantin : Construction Law and Insurance Law Brittany Carson : Labour and Employment Law André Champagne : Corporate Law and Mergers and Acquisitions Law Chantal Desjardins : Advertising and Marketing Law and Intellectual Property Law Frédéric Desmarais : Employee Benefits Law and Labour and Employment Law Jean-Sébastien Desroches : Corporate Law and Mergers and Acquisitions Law Raymond Doray : Administrative and Public Law, Defamation and Media Law and Privacy and Data Security Law Alain Y. Dussault : Intellectual Property Law Isabelle Duval : Family Law and Trusts and Estates Philippe Frère : Administrative and Public Law and Professional Malpractice Law Simon Gagné : Labour and Employment Law Nicolas Gagnon : Construction Law and Corporate and Commercial Litigation Richard Gaudreault : Labour and Employment Law Julie Gauvreau : Biotechnology and Life Sciences Practice and Intellectual Property Law Caroline Harnois : Family Law, Family Law Mediation and Trusts and Estates Ali El Haskouri : Banking and Finance Law and Venture Capital Law Alexandre Hébert : Corporate Law, Mergers and Acquisitions Law and Venture Capital Law Édith Jacques : Corporate Law, Energy Law, Mergers and Acquisitions Law and Natural Resources Law Marie-Hélène Jolicoeur : Labour and Employment Law and Workers' Compensation Law Isabelle Jomphe : Advertising and Marketing Law and Intellectual Property Law Nicolas Joubert : Labour and Employment Law Josiane L'Heureux : Labour and Employment Law Guillaume Laberge : Administrative and Public Law Jonathan Lacoste-Jobin : Insurance Law Awatif Lakhdar : Family Law Jean Legault : Banking and Finance Law and Insolvency and Financial Restructuring Law Carl Lessard : Labour and Employment Law and Workers' Compensation Law Paul Martel : Corporate Law Zeïneb Mellouli : Labour and Employment Law and Workers' Compensation Law Marc Ouellet : Labour and Employment Law Luc Pariseau : Tax Law and Trusts and Estates Ariane Pasquier : Labour and Employment Law Martin Pichette : Corporate and Commercial Litigation, Insurance Law and Professional Malpractice Law François Renaud : Banking and Finance Law and Structured Finance Law Marc Rochefort : Securities Law Ouassim Tadlaoui : Construction Law and Insolvency and Financial Restructuring Law David Tournier : Banking and Finance Law André Vautour : Corporate Governance Practice, Corporate Law, Energy Law, Information Technology Law, Intellectual Property Law, Private Funds Law, Technology Law, Transportation Law and Venture Capital Law Bruno Verdon : Corporate and Commercial Litigation Jonathan Warin : Insolvency and Financial Restructuring Law Québec, QC Jules Brière : Aboriginal Law / Indigenous Practice, Administrative and Public Law and Health Care Law Élisabeth Pinard : Family Law and Family Law Mediation Judith Rochette : Alternative Dispute Resolution, Insurance Law and Professional Malpractice Law Sherbrooke, QC Luc R. Borduas : Corporate Law et Mergers and Acquisitions Law Christian Dumoulin : Mergers and Acquisitions Law Éric Lavallée : Privacy and Data Security Law and Technology Law Isabelle P. Mercure : Tax Law and Trusts and Estates Vincent Towner : Commercial Leasing Law Yanick Vlasak : Banking and Finance Law, Corporate and Commercial Litigation and Insolvency and Financial Restructuring Law Trois-Rivieres, QC Marie-Josée Hétu : Labour and Employment Law and Workers' Compensation Law   We are pleased to highlight our next generation, who also distinguished themselves in this directory in the Ones To Watch category: Montréal, QC Frédéric Bolduc : Labour and Employment Law Rosemarie Bhérer Bouffard : Labour and Employment Law Céleste Brouillard-Ross : Construction Law, Corporate and Commercial Litigation et Insurance Law Karl Chabot : Construction Law, Corporate and Commercial Litigation, Medical Negligence and Personal Injury Litigation David Choinière : Corporate and Commercial Litigation Marie-Claude Côté : Mergers and Acquisitions Law James Duffy : Intellectual Property Law Francis Dumoulin : Corporate Law and Mergers and Acquisitions Law Joseph Gualdieri : Corporate Law and Mergers and Acquisitions Law Katerina Kostopoulos : Banking and Finance Law, Corporate Law and Real Estate Law Despina Mandilaras : Construction Law et Corporate and Commercial Litigation Jean-François Maurice : Corporate Law Jessica Parent : Labour and Employment Law Audrey Pelletier : Tax Law Camille Rioux : Labour and Employment Law Chantal Saint-Onge : Corporate and Commercial Litigation Bernard Trang : Banking and Finance Law and Project Finance Law Mylène Vallières : Mergers and Acquisitions Law and Securities Law Québec, QC Jean-Philippe Abraham : Corporate and Commercial Litigation Marc-André Bouchard : Construction Law et Corporate and Commercial Litigation Trois-Rivieres, QC Justine Chaput : Labour and Employment Law Alexandre Pinard : Labour and Employment Law

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  2. Canadian Lawyer –-The Family Law group is ranked in the “Top Family Law Firm Teams 2026” listing

    Lavery is proud to announce that its Family Law Group has been recognized in Canadian Lawyer magazine’s Top Family Law Firm Teams 2026 ranking. This recognition stems from a rigorous selection process, based on nominations from readers, legal associations and editorial contributors, followed by an evaluation by an independent panel of seasoned family law practitioners from across Canada. This recognition belongs to the entire team. Congratulations to all members of the Family Law group: Victoria Cohene, Isabelle Duval, Caroline Harnois, Awatif Lakhdar, Elisabeth Pinard, Kassandra Roberge, Adnana Zbona, Gabrielle Dickins, Gabrielle Gallio and Aurélie Ouellet

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