J. Gordon "Gordon" MacKay, K.C.

Jennifer L. Hunter is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice, Health Care Law, Insurance Law, Medical Negligence, Privacy and Data Security Law and Professional Malpractice Law. Jennifer L., who practices law in Toronto, Ontario, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jennifer L. is held by other top lawyers in the same geographic and legal practice area.

Stephen Kelly is the Canadian national chair of our business law group. He practises corporate and securities law, with particular emphasis on corporate finance and mergers and acquisitions. He regularly acts for large public companies, underwriters and investors in public offerings, including initial public offerings, bought-deal transactions and cross-border offerings as well as private placement transactions.Mr. Kelly frequently advises on public and private mergers and acquisitions both n...

Marc Matras is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation and Insurance Law. Marc, who practices law in Calgary, Alberta, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marc is held by other top lawyers in the same geographic and legal practice area.

Me Benoît Amyot pratique le droit depuis plus de 25 ans. Il a développé une expertise précieuse en affaires autochtones et en litige civil. Depuis son arrivée chez Cain Lamarre en 2002, il a accompagné de nombreuses communautés et organisations autochtones dans leurs négociations avec les instances gouvernementales ainsi que dans des dossiers de développement économique et de gouvernance. Reconnu pour son approche innovante ...

Andrew J. Wilder is a top attorney recognized by Best Lawyers in the practice area(s) of Cannabis Law and Corporate Law. Andrew J., who practices law in Toronto, Ontario, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Andrew J. is held by other top lawyers in the same geographic and legal practice area.

Teresa Haykowsky, K.C. is a powerful and dedicated advocate for her clients. She provides practical advice and solid solutions based on her depth of knowledge in education law, labour and employment and constitutional and administrative law and her commitment to exceptional service. Teresa is completely dedicated to advising and representing both public and private school boards and districts, as well as independent schools in the decisions they make to support education. She handles administ...

Mark practices municipal , land use planning and development law. His experience includes appearances before the Local Planning Appeal Tribunal (formerly the OMB) in matters concerning Growth Plan Conformity, Official Plan and Zoning Amendments, Site Plan Approval and Development Charges. He is also experienced in the negotiation and preparation of development agreements and condominium documents and drafting of municipal regulatory by-laws. Mark articled with Loopstra Nixon LLP and joined th...

Frédéric Barriault is a member of the Corporate/Commercial group at the Montréal office. His practice is centered on trust law, estate planning, assets protection strategies and corporate restructurings for private clients. He advises individuals, families and their enterprises from various backgrounds in order to provide them with tailor-made solutions in order to meet their personal goals, estate and business succession goals and philanthropic intentions. With his exper...

Huy Do is the Co-Leader of the firm’s Competition, Marketing & Foreign Investment group. His practice focuses on anti-trust/competition, marketing and foreign investment law. Huy is a widely recognized leader in Canadian competition, marketing and foreign investment laws. He is a Past Chair and member of the Executive of the Competition Law Section of the Canadian Bar Association and serves as a Non-Governmental Advisor to the International Competition Network, a network of antitrus...

Guy Rouleau is a partner in the Business Law Group in our Montreal office. With more than two decades of experience, he advises local and international clients from various sectors on complex commercial legal issues. Guy notably supports companies doing business in Quebec in matters related to mergers and acquisitions, the sale and distribution of products, and transactions involving intellectual capital. In particular, Guy has significant experience working with clients in the information te...