William Colish

Katia Sebastiani is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Katia, 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 Katia is held by other top lawyers in the same geographic and legal practice area.

Raphaël represents a variety of clients, including several large companies and municipalities before courts and administrative tribunals at all levels. He has conducted several long-term trials and is thus very familiar with managing voluminous files. He is a recognized author and lecturer, particularly on issues related to abuse of process. His texts are frequently cited by the courts. He joined IMK in 2015 after practicing for 15 years with a national firm, where he developed an import...

Éric Séguin joined Monette Barakett in 1996. He is a partner at the firm and a member of the Executive Committee. He assists his clients by providing strategic advice, mainly in the areas of labour relations, representing employers, civil litigation, health law as well as access to information and privacy / protection of personal information. He works with a variety of economic sectors, public and semi-public agencies; health and social services establishments; large companies; ...

Elaine Léger specializes in labour, employment and human rights law. She represents companies from every sphere of economic activity. Elaine has developed specific expertise in absenteeism management, occupational injuries and occupational health and safety. She advises clients on termination of employment, confidentiality obligations, access to medical records and managing absenteeism and occupational injuries.

Ayse Gauthier is a top attorney recognized by Best Lawyers in the practice area(s) of Privacy and Data Security Law and Technology Law. Ayse, 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 Ayse is held by other top lawyers in the same geographic and legal practice area.

Alex O'Reilly is a top attorney recognized by Best Lawyers in the practice area(s) of Aboriginal Law / Indigenous Practice. Alex, 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 Alex is held by other top lawyers in the same geographic and legal practice area.

Paul Gagnon is a top attorney recognized by Best Lawyers in the practice area(s) of Information Technology Law and Technology Law. Paul, 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 Paul is held by other top lawyers in the same geographic and legal practice area.

Mathieu Cardinal focuses his practice on professional and disciplinary law. He represents various professionals, professional orders, and trustees. He has a background in mechanical engineering, which allows him to understand the technical aspects of his clients' practices in the construction industry. He regularly pleads before civil courts and disciplinary bodies.

Austin Del Rio is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Austin, 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 Austin is held by other top lawyers in the same geographic and legal practice area.

Guy Gilain has a specialized practice in construction law with considerable experience in litigation and contractual issues. His clients include public and private companies, general and specialized contractors, and equipment suppliers. He also represents national and multinational companies as well as various construction industry associations. Guy has earned a solid reputation as a seasoned litigator with respect to lengthy litigious construction matters. Guy provides advice on the full sco...