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Brigitte Garceau

Telephone : (514) 393-4022

Fax : (514) 878-1865

Email : bgarceau@rsslex.com



Brigitte Garceau is a Partner in our Family Law Group / Arbitration and Mediation. Her practice focuses on all aspects of divorce, child and spousal support, child custody, division of property and family mediation with a particular emphasis on complex high-net-worth, cross-jurisdiction and international law cases.
She pleads regularly before the courts and tribunals of Quebec at all trial and appellate levels. She has been accredited as a family law mediator by the Quebec Bar since 1995.

Representative Mandates

Brigitte has a specialized expertise in child custody cases involving The Hague Convention on the Civil Aspects of International Child Abduction.


Fellow of the International Academy of Family Lawyers

Best Lawyers: rated as a leading family law practitioner

Included in the ten exceptional philanthropic businesswomen honoured in January 2020 by Partage-Action West Island Community Shares

Recipient of a Queen’s Diamond Jubilee Medal for her community involvement

Awarded a Parliamentary Certificate of Recognition for Contributions to her Community and to Canadian Democracy

Recently invited to join the Steering Committee of the Cambridge Forum for Senior Family Lawyers, composed of 44 of the most experienced family law practitioners in the nation

Martindale-Hubbell: rated as Distinguished Lawyer for her high ethical standing


Association des avocats et avocates en droit familial du Québec

Association de médiation familiale du Québec

Bar of Montréal: Member, Liaison Committee with the Superior Court in family law matters 2019–2022

Publications and Conferences

McGill University’s Law School: Past lecturer in family law

Participated in numerous roundtables, media broadcasts and interviews on different aspects of family law

Brigitte’s expertise is regularly sought after by her professional and academic colleagues across the country and is a frequent guest speaker at conferences. She has addressed judges’ conferences of the Canadian Judicial Council as well as the Financial and Estate Planning Council of Quebec on “Misconceptions in Family Law”; the Academy of Financial Divorce Specialists and the Canadian Association of Family Enterprise on “Family Law and the Family Business.” Recently, Brigitte gave a conference on the amendments to the Divorce Act before the Cambridge Senior Family Law Forum.

Community Involvement

One of her greatest strengths is her ability to bring people together. She does it with reason, character and optimism. She is a natural leader and has a singular ability to draw people together in common causes for common solutions.

Brigitte is a dedicated and accomplished community and political activist. In September 2020, she became President of the Board of Directors of the West Island Women’s Shelter, after having been legal counsel and a Board Member of the organization for a few years. She helped create its well-known “Pumps & Pearls” annual Gala as well as “Speak Out”, a campaign to raise awareness of conjugal violence. She also served on the Board of the Centre et Résidence Bienvenue, a community organization providing assistance and support to individuals with mental health issues. She served as Chair of West Island Community Shares Youth Committee from 2012–2016. She served on the organizing committee of the Heart and Stroke Foundation from 2013–2015. In 2008 she co-chaired the “Cassandra’s Lilacs Gentle the Condition” charity concert — inspired by Brigitte’s daughter Cassandra — at the Théâtre St-Denis that was the first event in Montreal with multiple artists performing voluntarily to benefit multiple charities. In 2007 she Co-Chaired the Montreal Children’s Hospital Annual Ball which raised a record amount at the time.

Among her political engagements Brigitte was President of the Westmount–Ville-Marie Federal Liberal Riding Association and served as National Vice-President (francophone) of the Liberal Party of Canada from 2009–2012.


English, French


Bachelor of Civil Law, University of Montréal, 1991

Bachelor of Common Law, University of Ottawa, 1990

Bachelor of Arts, Carleton University, 1986

Call to Bar

Quebec, 1992