Karl Boulanger
Associate — Bar 2020 (Quebec), 2022 (Ontario)
Telephone
Education
514.222.8876
LL.B., Université de Sherbrooke, 2019
Graduate Diploma in Business Administration, Université de Sherbrooke, 2018
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Biography
Karl Boulanger’s practice focuses on complex commercial litigation, with a particular emphasis on class actions, product liability, construction law, consumer protection law, and extraordinary remedies. His practice encompasses a broad range of disputes, including class action defence, litigation arising from construction projects, claims alleging defective or dangerous products, injunctions, oppression remedies, as well as disputes involving technological, pharmaceutical, or healthcare components. Karl’s work has earned recognition from his clients in the Chambers Canada rankings, where he was named an “Associate to Watch” in 2026 for both Product Liability (Canada) and General Commercial Litigation (Quebec). He is also known for his pragmatism, his ability to quickly pinpoint pressing issues, and his capacity to deliver clear recommendations tailored to his clients’ business realities. Prior to joining LLT Attorneys, Karl practiced at national law firms, where he represented and provided regulatory advice to multinational corporations operating in highly regulated industries. Karl was admitted to the Barreau du Québec in 2020 and to the Law Society of Ontario in 2022.
Representative Mandates
Representation of an international manufacturer of fire protection equipment in litigation related to the construction of one of Canada’s largest distribution centres. Representation of a global leader in biomedical waste management in multiple public procurement bid challenges. Representation of a shareholder of a controlled-environment agriculture company (cannabis) and the corporation’s directors in an oppression remedy proceeding. Representation of a Crown corporation in a constitutional challenge seeking to declare certain sections of the Act respecting prescription drug insurance inoperative. Representation of a technology platform in a legal proceeding arising from an incident that caused bodily injuries. Representation of a leader in commercial real estate and brokerage services in numerous disputes. Representation of a biopharmaceutical company in claims relating to alleged bodily injuries resulting from the use of one of its products. Representation of a financial services company in disputes involving affiliated financial advisors. Representation of an insurance company in litigation raising a novel issue regarding insurance broker liability. Representation of an international manufacturer of fire protection equipment in claims alleging the contamination of water sources by chemical-containing products. Representation of Canada’s leading airline in numerous consumer protection class actions. Representation of the global leader in live entertainment ticketing in numerous consumer protection class actions. Representation of a multinational healthcare company in a proposed class action alleging false and misleading statements regarding the efficacy of an over-the-counter drug. Representation of beauty products manufacturers in class actions alleging health risks linked to hair care products. Representation of Canadian banks in class actions alleging violations of (i) consumer protection laws regarding the charging of certain fees and a service outage, and (ii) securities laws regarding alleged misrepresentations affecting share prices. Representation of a technology company specializing in visual communications, social media, and augmented reality in a proposed class action alleging social media addiction risks.
Recognition
Chambers Canada—Associate to Watch in Dispute Resolution: Products Liability and Dispute Resolution: General Commercial (Quebec), 2026