Elisabeth Patterson

Ariane Légère-Bordeleau is a top attorney recognized by Best Lawyers in the practice area(s) of Professional Malpractice Law. Ariane, who practices law in Montréal, Quebec, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ariane is held by other top lawyers in the same geographic and legal practice area.

Imran Ahmad is a senior partner and the Canadian head of technology and Canadian co-head of cybersecurity and data privacy. He is based in our Toronto and Montreal offices and is recognized as a leading cybersecurity and privacy lawyer by several legal directories. Imran advises clients across all industries on a wide array of technology-related matters, including outsourcing, cloud computing, SaaS, strategic alliances, technology development, system procurement and implementation, technology...

Marc-Olivier Plante is a member of our tax team. His practice encompasses all tax aspects of mergers and acquisitions, corporate financing, business reorganizations and international transactions. He also handles matters relating to estate planning and transfers of family businesses. Mr. Plante also assists a wide array of taxpayers in disputes with the tax authorities, particularly in income tax and consumer tax matters. He also advises taxpayers in connection with voluntary disclosures and ...

Éric Lallier assists employers in Quebec and elsewhere in Canada and advises them on a wide range of legal matters, including the interpretation and application of collective agreements and employment contracts, court actions, occupational health and safety issues, grievance arbitration, and penal matters. He also acts for clients of the firm before various administrative and judicial tribunals. In his practice, particular focus is given to specific areas of the law, including civil pr...

His practice focuses on commercial litigation, class actions, product liability, insurance law and securities litigation. His experience in class actions has lead him to represent major corporations and company directors and officers. Before joining IMK, Jean-Michel served as a clerk at the Supreme Court of Canada for the Honourable Ian Binnie and practiced commercial litigation at Sullivan & Cromwell LLP in New York City. Jean-Michel is the co-author of three chapters pertaining to vario...

Vincent Grenier-Fontaine focuses his practice on insurance law and professional liability, particularly in conflict cases involving architects, lawyers, contractors working in the construction industry, engineers, professional technologists and pharmacists. He has experience working as a personal property and casualty insurance agent for an insurer and is a Certified Human Resources Advisor (CHRA). He has acted as a prosecutor for a public inquiry commission and regularly pleads before civil ...

Mr. Caron is a founding partner of LCM and is the managing partner of the firm. He focuses his practice on litigation and commercial law. Business communities turn to him for his proven ability to find solutions to complex problems. He has been involved in a number of major class actions and has extensive experience in arbitration and alternative dispute resolution. He regularly acts on behalf of financial institutions, including securities brokers and advisors, whom he counsels on the drafti...

Cassandre Louis is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative and Public Law and Municipal Law. Cassandre, who practices law in Montréal, Quebec, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Cassandre is held by other top lawyers in the same geographic and legal practice area.

Guillaume Pelegrin is a partner in our Montréal office. Renowned for his strategic approach, Guillaume regularly acts for real estate developers and other industrial companies in high-profile cases, notably in litigation with municipalities or environmental criminal prosecutions. He also handles cases involving constitutional law, access to information and general government liability. A seasoned litigator, Guillaume frequently appears before all Québec courts, including the Sup...

Claudia Déry is the Canadian co-head of our construction and engineering team. She has advised and represented before the courts a number of clients in construction-related matters, including major public-private partnership projects. She has experience in drafting tender documents and construction law topics and conducts the annual review of construction case law for the Canadian Bar Association. She has been ranked in the Best Lawyers in Canada since 2006 in the area of construction ...