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ARTICLE · 17 JUNE 2026

Competition Law Developments In Canada: Managing Risk In A Changing Enforcement Environment

Blake, Cassels & Graydon LLP
Blake, Cassels & Graydon LLP
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Canadian competition law and foreign investment reviews enforcement continues to evolve as regulators balance stronger enforcement powers with broader economic priorities, including productivity, investment attraction and reducing regulatory burdens. Businesses should expect continued scrutiny across mergers, commercial conduct, marketing practices and litigation exposure.

CanadaAntitrust/Competition Law
Navin Joneja
Navin Joneja
Kevin MacDonald
Kevin MacDonald
Joe McGrade
Joe McGrade
Julia Potter
Julia Potter
Julie Soloway
Julie Soloway
Micah Wood
Micah Wood
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Canadian competition law and foreign investment reviews enforcement continues to evolve as regulators balance stronger enforcement powers with broader economic priorities, including productivity, investment attraction and reducing regulatory burdens. Businesses should expect continued scrutiny across mergers, commercial conduct, marketing practices and litigation exposure.

Five key developments are outlined below.

  1. Merger Oversight. Recent amendments to the Competition Act, including a new structural presumption tied to market shares and concentration levels, and expanded powers to review non-notifiable transactions after closing, have strengthened the Competition Bureau’s ability to challenge mergers. Businesses pursuing transactions in Canada should carefully assess market definition and shares, stakeholder concerns and remedy planning at an early stage of deal planning.

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© 2026 Blake, Cassels & Graydon LLP.

The content of this article is intended to provide a general guide to the subject matter. Specialist advice should be sought about your specific circumstances.

The content of this article is intended to provide a general guide to the subject matter. Specialist advice should be sought about your specific circumstances.

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