Canada: Antitrust/Competition Law

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Competition Law and Antitrust Law articles and thought leadership, podcasts, videos and webinars from expert sources across the legal world. Explore articles covering topics that involve competition and antitrust law from specialists working in this area every day.

Ex Parte, Not Carte Blanche: The FCA Pushes Back On Overbroad Section 11 Requests

The Federal Court of Appeal recently upheld limits on the Competition Bureau's investigative powers, ruling that production orders under the Competition Act must be reasonable in scope and cannot be excessively broad or burdensome. This decision arose from the Bureau's investigation into Amazon's handling of fake product reviews, where the court rejected a data request covering billions of products as insufficiently justified and disproportionate.

Canada Anti-trust

MT

McCarthy Tétrault LLP

Blakes Competitive Edge™: April 2026 Update

Welcome to the April issue of Blakes Competitive Edge, a monthly publication of the Blakes Competition, Antitrust & Foreign Investment group.

Canada Anti-trust

BC

Blake, Cassels & Graydon LLP

Manitoba's Bill 49 And Personalized Algorithmic Pricing: What Businesses Need To Know

On March 17, 2026, the Manitoba government introduced Bill 49, amending The Business Practices Act (MBPA) to address what the government characterizes as a growing threat to Manitoba consumers: Personalized algorithmic pricing.

Canada Anti-trust

MA

MLT Aikins LLP

Competition Bureau Settlements In Retirement Home Acquisitions Highlight Focus On Market Shares In Merger Reviews

On March 31, the Competition Bureau (Bureau) issued a position statement with respect to consent agreements reached in connection with two recent retirement home acquisitions. Pursuant to the agreements...

Canada Anti-trust

TL

Torys LLP

Competition Act Amendments And Guidance On Exclusive Use Clauses In Commercial Leases

Canada Anti-trust

AB

Aird & Berlis LLP

Decoding The Competition Bureau's Draft Merger Enforcement Guidelines

Canada Anti-trust

ML

McMillan LLP

Michael Binetti On CTV: Ontario Moves To Ban Above-Face-Value Ticket Resales

Canada Anti-trust

AG

Affleck Greene McMurtry LLP

Competition Year In Review 2025

Canada Anti-trust

AG

Affleck Greene McMurtry LLP

Federal Government Narrows Scope Of The Competition Act's Anti-greenwashing Provisions As Bill C-15 Receives Royal Assent

Canada Anti-trust

MA

MLT Aikins LLP

John F. Rook, KC On Canada’s Merger Efficiency Defence

Canada Anti-trust

AG

Affleck Greene McMurtry LLP

Avantage Concurrentiel Par Blakes : Mise À Jour De Mars 2026

Worldwide Anti-trust

BC

Blake, Cassels & Graydon LLP

Eye-Watering (But Not Unconstitutional) Penalties: Competition Tribunal Dismisses Google’s AMP Challenge

Canada Anti-trust

MT

McCarthy Tétrault LLP

Blakes Competitive Edge™: March 2026 Update

Canada Anti-trust

BC

Blake, Cassels & Graydon LLP

Perspectives sur le droit canadien de la concurrence en 2026 : Répercussions concrètes de la refonte

Canada Anti-trust

BC

Blake, Cassels & Graydon LLP

CRA Trust Reporting Requirements In Canada: T3 Filing Rules, Bare Trust Updates & Tax Audit Risk

RS

Rotfleisch & Samulovitch P.C.

Tax Court Of Canada Overturns CRA’s Denial Of GST/HST Input Tax Credits: Fiera Foods Company v The King

RS

Rotfleisch & Samulovitch P.C.

Fake It Till You Make It? Kings Bench Says “No”

Canada Employment

BR

Bow River Law

Update On The Capital Gains Exemption And Qualified Small Business Corporation Shares

OE

O'Sullivan Estate Lawyers LLP

Distinguishing Between Disciplinable Gossip And Actionable Good Faith Concerns In The Workplace

Canada Employment

RG

Roper Greyell LLP – Employment and Labour Lawyers

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Related Country Guides

Competition Litigation

Antitrust, EU Competition

Outlook Series 2026: Key Business, Legal, And Regulatory Issues Shaping Canada

Canadian organizations face intensifying regulatory enforcement, shifting market conditions, and accelerating technology risks in 2026. This comprehensive outlook examines critical developments across private equity, competition law, power infrastructure, public procurement, tax policy, and technology governance that will shape strategic decisions in the year ahead.

Canada Commercial

MT

McCarthy Tétrault LLP

Série Perspectives 2026 : les principaux enjeux commerciaux, juridiques et réglementaires pour le Canada

Le paysage commercial, juridique et réglementaire évolue rapidement et, pour réussir en 2026, les organisations se doivent d’être bien préparées.

Canada Commercial

MT

McCarthy Tétrault LLP

Ex Parte, Not Carte Blanche: The FCA Pushes Back On Overbroad Section 11 Requests

The Federal Court of Appeal recently upheld limits on the Competition Bureau's investigative powers, ruling that production orders under the Competition Act must be reasonable in scope and cannot be excessively broad or burdensome. This decision arose from the Bureau's investigation into Amazon's handling of fake product reviews, where the court rejected a data request covering billions of products as insufficiently justified and disproportionate.

Canada Anti-trust

MT

McCarthy Tétrault LLP

Blakes Competitive Edge™: April 2026 Update

Canada Anti-trust

BC

Blake, Cassels & Graydon LLP

Manitoba's Bill 49 And Personalized Algorithmic Pricing: What Businesses Need To Know

Canada Anti-trust

MA

MLT Aikins LLP

Clocking Out And Cashing In: When An Employee Side Hustle Becomes Your Competition

ML

McMillan LLP

Further Amendments To The Environmental Claims Provisions Of The Competition Act

Canada Environment

OH

Osler, Hoskin & Harcourt LLP

Competition Bureau Settlements In Retirement Home Acquisitions Highlight Focus On Market Shares In Merger Reviews

Canada Anti-trust

TL

Torys LLP

Competition Act Amendments And Guidance On Exclusive Use Clauses In Commercial Leases

Canada Anti-trust

AB

Aird & Berlis LLP

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Cartels, Monopolies

Perspectives Pour 2026 En Droit De La Concurrence/antitrust Et De L'investissement Étranger : Mesures D'application De La Loi En Hausse Et Objectifs De Politique Élargis

Le Canada commence l'année 2026 dans un contexte caractérisé autant par l'incertitude que par des occasions quant à l'orientation future des mesures d'application...

Canada Anti-trust

MT

McCarthy Tétrault LLP

Ontario Court Of Appeal Affirms Enforceability Of Non-Competition Covenants In M&A Transactions

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...

Canada Anti-trust

RA

Robins Appleby LLP

Activision-Blizzard Anti-Trust Lawsuit Has The Potential To Fundamentally Change The Esports Industry

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.

Canada Anti-trust

SL

Segev LLP

That's Some Serious Dough: Price Fixing Leads To $50 Million Fine For Bread Company

Canada Anti-trust

MA

MLT Aikins LLP

Significant Amendments To Canada's Competition Act Are Now Law: Takeaways For Agribusiness, Food & Beverage Businesses Operating In Canada

Canada Anti-trust

F

Fasken

Canada Pushes Through Competition Act Amendments

Canada Anti-trust

SE

Stikeman Elliott LLP

Significant Amendments To Competition Act Coming Soon

Canada Anti-trust

F

Fasken

Are National Classes Still Possible? Quebec Court Refuses Stay, Questions Whether Other Provinces Can Include Quebec Class Members

Canada Litigation

MT

McCarthy Tétrault LLP

Canadian Government Announces Plans To Review Potential Changes To The Competition Act

Canada Anti-trust

SE

Stikeman Elliott LLP

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Trade Regulation & Practices

AI-Washing : un enjeu pour les entreprises au Canada

As artificial intelligence becomes a defining marker of innovation, a concerning trend called "AI washing" has emerged where companies misrepresent their AI capabilities to consumers and investors.

Canada Technology

BB

BCF Business Law

Supreme Court Of Canada: Substance-Over-Form Dictates Whether Discoverability Applies To Statutory Limitations

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

Canada Anti-trust

TG

Theall Group LLP

In ODD Decision, Supreme Court Severs Link Between Certification And Common Issues Trial For Price-Fixing Cases

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.

Canada Anti-trust

TG

Theall Group LLP

Sweet Justice For IP Rights Holder: Agreement Not In Restraint Of Trade

Canada Litigation

LS

Lenczner Slaght LLP

Supreme Court Confirms In R. v. Comeau That Provinces Can Restrict Interprovincial Trade In Beer And Other Goods

Canada Anti-trust

MT

McCarthy Tétrault LLP

Ontario Court Of Appeal Enforces Contracts Restricting Grey Market Sales, Not Void For Restraint Of Trade

Canada Anti-trust

OH

Osler, Hoskin & Harcourt LLP

SCC Upholds Inter-Provincial Liquor Trade Restrictions: One Man's Goodbye To Constitutionally Guaranteed Cheap Quebec Beer And The Broader Implications

Canada Commercial

CP

Cox & Palmer

New 2018 Investment Canada Act Threshold For State-Owned Enterprise WTO Investments

Canada Commercial

MT

McCarthy Tétrault LLP

Loosening the Strings: Internal Free Trade in Canada

Canada Anti-trust

GR

Gardiner Roberts LLP

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Latest Videos

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Épisode 2 : La transformation du droit de la concurrence au Canada (Video)

FF

Fasken (French)

Episode 2: Transforming Canada's Competition Law (Video)

F

Fasken

Expert Advice For Thriving In The Canadian Flooring Industry (Video)

S

Sobirovs Law Firm

Competition Law - Samuel Beighton - ThinkHouse March 2016 (Video Content)

GW

Gowling WLG

Competition Law And Foreign Investment: Three Key Regulatory Issues (Video Content)

BC

Blake, Cassels & Graydon LLP

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