Canada: Antitrust/Competition Law

Bienvenue à l'édition de décembre de l'infolettre Avantage concurrentiel par Blakes, une publication mensuelle des groupes Concurrence et antitrust et Investissement étranger de Blakes.

As discussed in our bulletin of November 5, 2025, the Competition Bureau released its proposed new Anti-Competitive Conduct and Agreements Enforcement Guidelines (the "Draft ACCA Guidelines") for consultation on October 31, 2025, with comments required by January 29, 2026.

The Canadian Competition Bureau (Bureau) recently published draft enforcement guidelines (Draft Guidelines) that cover most of the reviewable conduct (non-criminal) provisions...

The recent 2024 decision of the Ontario Court of Appeal (the "ONCA"), Dr. C. Sims Dentistry Professional Corporation v. Cooke has reinforced the principle that Ontario courts...

A new lawsuit is making headlines in the world of esports, and while I tend to roll my eyes at headlines stating that a particular case might "change esports forever," in this particular case, that may actually be true, so I thought I would provide a summary of the case and the issues it brings up.

On June 21, 2023, Canada Bread Company, Limited ("Canada Bread") pleaded guilty to four offences involving violations of the Competition Act.

There are many statutes containing limitation periods that bar plaintiffs from bringing an action after a specified period of time.

The Supreme Court of Canada's decision in Pioneer Corporation v Godfrey, 2019 SCC 42, was a victory for the plaintiff, but it may prove advantageous for class action defendants in other cases.

The intersection of intellectual property law and competition law is an area that gains greater significance with each passing year.