Frédéric Massé

Kevin A. Custodio is a partner in the Corporate Group. His practice primarily focuses on domestic and cross-border mergers and acquisitions involving both public and private companies as well as private equity and venture capital. Kevin’s experience includes advising several Canadian and foreign clients in acquisitions, divestitures, reorganizations, and general commercial negotiations across industry sectors. He is a member of the Montréal office’s Students & Stagiaire...

Stefan Chripounoff is a commercial litigation partner at the Montréal office of Langlois. His practice focuses on commercial litigation and on restructuring & insolvency. The current chair of the firm’s arbitration and ADR group, he acts in a significant number of large-scale files before all levels of the courts and arbitration tribunals. He also practices energy law and, over the past twenty years, he advised his clients on their natural gas purchase and sale contracts and ...

Alberto Martinez is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative and Public Law and Corporate and Commercial Litigation. Alberto, who practices law in Montréal, Quebec, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alberto is held by other top lawyers in the same geographic and legal practice area.

Caroline Émond is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Caroline, who practices law in Montréal, Quebec, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Caroline is held by other top lawyers in the same geographic and legal practice area.

André Sasseville has practiced labour and employment law since the beginning of his career. During his many years of practice, he has acted as strategic advisor and spokesperson for a wide variety of employers in negotiating collective agreements and resolving labour disputes. He is an acknowledged expert in crisis management. He represents clients on a regular basis before specialized labour tribunals and civil law courts, including in class action matters. André routinely advi...

The Honourable François Rolland, Ad. E. is senior counsel, mediator and arbitrator in Langlois lawyers’ litigation group in Montréal. Mr. Rolland was a Justice of the Superior Court of Québec from 1996 to 2015, and Chief Justice from 2004 to 2015. He presided numerous trials in all areas of the law, including commercial law, class actions, insolvency and corporate reorganizations, as well as matrimonial disputes. He also presided many settlement conferences in civil...

Pierre-Louis Le Saunier is a partner in the Tax Group whose practice primarily focuses on tax dispute resolution and litigation. Pierre-Louis regularly represents clients before tax authorities and courts in cases involving domestic and international matters such as the general anti-avoidance rule (GAAR), corporate reorganizations, investment structures and funds, transfer pricing, trusts, family holdings, municipal taxes, research and development tax credits, voluntary disclosures, judicial ...

His practice focuses on commercial litigation and encompasses all aspects of litigation, both contract-related and other, in areas that include real estate, landlord-tenant relations, mining law, franchisor-franchisee relations, competition, financial institutions, bankruptcy and insolvency, injunctions, seizures, and realization of security on movable or immovable property. Over the years, he has also developed extensive knowledge and skills in the area of extraordinary remedies, particularl...

Éric Marquette is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Éric, who practices law in Laval, Quebec, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Éric is held by other top lawyers in the same geographic and legal practice area.

Valérie Déziel represents and advises healthcare institutions, professionals, professional bodies, and trustees. She regularly appears before civil courts and disciplinary bodies. She has a keen interest in personal injury assessments. She is respected by her peers and stands out for her listening skills and the innovative solutions she offers.