Denise Felsztyna

Catherine Maheu is a lawyer recognized by Best Lawyers in the practice areas of Employee Benefits Law and Labour and Employment Law. Catherine practices law in Montréal, Quebec Best Lawyers has recognized Catherine Maheu since 2018. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Catherine Maheu is held by other lawyers.

Jillian Levine is a lawyer recognized by Best Lawyers in the practice area of Family Law. Jillian practices law in Montréal, Quebec Best Lawyers has recognized Jillian Levine since 2027. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Jillian Levine is held by other lawyers.

Ms. Lynne Kassie is a Partner and Head of our Family Law Group. Her practice focuses on all aspects of matrimonial and family law, as well as in related fields of civil law, including succession and protective supervision. Ms. Kassie focuses her practice on complex litigation, and on cases involving high-net-worth issues, division of property and other financial issues related to business interests and trusts. Ms. Kassie also advises parties prior to their marriage or cohabitation and has ext...

Marie-France Tozzi is a lawyer recognized by Best Lawyers in the practice area of Class Action Litigation. Marie-France practices law in Montréal, Quebec Best Lawyers has recognized Marie-France Tozzi since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Marie-France Tozzi is held by other lawyers.

For more than three decades, Marie Laure Leclercq has been helping innovative companies carry out their business projects. Marie Laure Leclercq is a trained engineer with a passion for technology. She represents companies working in forward-looking spheres like artificial intelligence and IT, and rapidly-evolving sectors like the agri-food, textile and weapons industries. Her practice includes helping small and large companies tackle a range of legal issues. She assists them in negotiating te...

Sean Griffin is a partner in the litigation group in Langlois lawyers’ Montréal office and a member of the firm’s Board of Directors. His practice focuses on complex litigation involving constitutional, administrative and commercial law issues, as well as corporate and securities matters. With recognized expertise in defending public and private corporations, financial institutions and various entities active in the financial markets, including their directors and officers,...

Joëlle Boisvert is the Managing Partner of the firm's Montréal office and a member of the firm’s national executive team. As an experienced commercial litigator, Joëlle counsels large national and international companies with regards to a variety of complex dispute matters. During her 25-year career, she has developed extensive experience in class actions and litigation pertaining to commercial and real estate law, including in the areas of franchising, as well as manuf...

Pierre-Olivier Charlebois is a leading lawyer in the areas of environmental, mining, energy, climate change and corporate social responsibility law. Recognized by his peers across Canada and internationally due to his multidisciplinary expertise, Pierre-Olivier is the go-to legal reference. Pierre-Olivier is the leader of the Corporate Social Responsibility group. He also heads the Environmental, Energy and Climate Change group for the Quebec region. Pierre-Olivier advises clients on complian...

Marvin Shahin is a lawyer recognized by Best Lawyers in the practice area of Corporate Law. Marvin practices law in Montréal, Quebec Best Lawyers has recognized Marvin Shahin since 2027. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Marvin Shahin is held by other lawyers.

Larisa Albu is a lawyer recognized by Best Lawyers in the practice area of Banking and Finance Law. Larisa practices law in Montréal, Quebec Best Lawyers has recognized Larisa Albu since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Larisa Albu is held by other lawyers.