Ms. Anne-Sophie Dupuis
Lawyer

After obtaining her Bachelor of Laws from the Université de Montréal in 2017, Me Anne-Sophie Dupuis continued her training at the École du Barreau, completing her internship at the Saint-Jérôme Legal Aid Office. Practicing mental health law and housing law, she quickly demonstrated her commitment to vulnerable people.
Following her internship, she was hired as a lawyer and head of the Lachute Legal Aid Office, where she worked primarily in family law, youth law and administrative law.
In 2021, Me Dupuis went into business for herself and opened her own firm in the following areas: youth protection law, housing law and mental health law.
In 2024, she founded DUX, a law firm dedicated to supporting families and children involved in proceedings with the DPJ, often in situations where financial means are limited. Sensitive to the need for accessible justice, she supports a clientele primarily located on the North Shore of Montreal, particularly in the districts of Terrebonne (Saint-Jérôme), Laval, and Labelle (Mont-Laurier).
With experience in mental health law, housing law, and administrative law, she ensures that she provides humane and accessible youth law legal services, while providing a work environment that reflects these values for her team.
Me Dupuis accepts legal aid mandates.
Experience
2024- present
DUX law firm
As the founder of DUX law firm, Me Dupuis oversees all of the firm's operations while also offering her expertise in youth law. Her role includes managing complex cases, representing clients before the courts, and mentoring a young and dynamic team.
2021-2024
Anne-Sophie Dupuis, lawyer
Me Dupuis practiced as a solo practitioner, focusing primarily on youth law, mental health law, and housing law. She was responsible for all aspects of her practice, including representing clients before the courts, managing cases, and developing legal strategies tailored to her clients' needs. She offered accessible legal services to an often vulnerable clientele, while managing the administrative and financial aspects of her firm with a humane and rigorous approach.
2019-2021
Lachute Legal Aid Office
Me Anne-Sophie Dupuis served as a lawyer and manager of the Lachute Legal Aid Office, where she practiced primarily in family law, youth law, administrative law, and mental health law. In addition to representing clients before the courts, she was responsible for the day-to-day management of the office, including supervising support staff and enforcing the Legal Aid Act. She supported vulnerable clients while explaining legal concepts and ensuring rigorous case management.
2018
Saint-Jérôme Legal Aid Office
Me Anne-Sophie Dupuis completed her bar internship at the Saint-Jérôme Legal Aid Office, where her practice focused on civil law, primarily mental health law and housing law. Under the supervision of Sylvie Morin, Ad. E., she represented clients before the courts, conducted interviews, drafted pleadings, and developed legal strategies. She learned the basics of the profession in a high-intensity, high-volume practice.
2018
Bar School
Me Anne-Sophie Dupuis completed her professional training at the École du Barreau du Québec, where she acquired the skills necessary to practice the profession of lawyer.
2015-2017
University of Montreal
Me Anne-Sophie Dupuis obtained her Bachelor of Laws from the University of Montreal, where she developed a solid legal education covering various areas of law.


