Canada: Libel & Defamation

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Litigation law, mediation law, and arbitrage law thought leadership, articles, podcasts, videos and webinars from expert sources across the legal world. Explore insights covering civil law, class actions, dispute resolution, libel and defamation and more in relation to litigation, mediation and arbitration.

When AI Speaks For Itself: How AI Is Reshaping Defamation Risk

Consider this: an artificial intelligence (AI) agent acting autonomously (i.e., a "human in the loop" process is not used) on a social media platform publishes...

Canada Technology

BJ

Bennett Jones LLP

A Crack In Crookes? New Defamation Risks For Search Engines

In AB v Google, the Court of Appeal of Québec held that internet intermediaries, such as search engines, may be liable for listing hyperlinks to undisputedly false and defamatory content.

Canada Litigation

LS

Lenczner Slaght LLP

Absolute Privilege Stops Lawsuits Based On Use Of Intimate Video At A Case Conference (Burns v. Osuji)

In the law of defamation, absolute privilege is a complete defence. However, the doctrine of absolute privilege extends beyond defamation law to prevent other causes of action that arise out of ...

Canada Litigation

GR

Gardiner Roberts LLP

Online Criticism And Defamation: An Ontario Anti-SLAPP Decision

On November 25, 2025, the Ontario Superior Court of Justice dismissed a $2,000,000 defamation action brought by Theralase Technologies Inc. and two of its executives as an "archetypical example of ‘SLAPP'" (strategic litigation against public participation).

Canada Litigation

DA

DMG Advocates

Court Of Appeal Summaries (January 19 – 23, 2026)

Canada Litigation

BM

Blaney McMurtry LLP

Ontario Court Of Appeal Clarifies Test For Anti-SLAPP Motions In Benchwood Builders, Inc. v. Prescott, 2025 ONCA 171

Canada Litigation

AH

Alexander Holburn Beaudin + Lang LLP

Court Of Appeal Summaries (December 1 – 5, 2025)

Canada Litigation

BM

Blaney McMurtry LLP

Lawyers Obtain Permanent Injunction To Remove Defamatory Postings Made Against Them (Judson Howie LLP v. Blackwell)

Canada Litigation

GR

Gardiner Roberts LLP

Alberta Court Of Appeal Rules That Absolute Privilege Means Absolute

Canada Litigation

BC

Blake, Cassels & Graydon LLP

Civil Claims Struck Due To Privacy Breach From Unauthorized Access To Text Messages (McCarrell v. McCarrell)

Canada Litigation

GR

Gardiner Roberts LLP

Manitoba Adopts Anti SLAPP Protections

Canada Employment

TM

Taylor McCaffrey

Les Excuses En Cas De Diffamation : Une Solution Plus Symbolique Que Juridique?

Canada Litigation

BB

BCF Business Law

Court Of Appeal Summaries (November 17 – 21, 2025)

Canada Litigation

BM

Blaney McMurtry LLP

Drug-related Defamation: Can You Stop The Spread Of Misinformation?

Canada Healthcare

MT

McCarthy Tétrault LLP

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

RS

Rotfleisch & Samulovitch P.C.

Tariff Risk And Cross-Border M&A: What Canadian Companies Need To Know Before 2026 CUSMA Review

Canada Commercial

OL

Origin Law

The Federal Government And Musqueam Nation Sign Historic Agreements Recognizing Aboriginal Land Title | CityNews Interview With Anita Boscariol (Video)

Canada Government

WG

Watson Goepel LLP

2026 Canadian In-House Counsel Report: Unparalleled Insights Into Canada's In-House Profession From CBA In-House Lawyers & Mondaq

Canada Law Practice

TC

CBA In-House Lawyers

Understanding CRA Form T106 And How It Compares To U.S. Reporting Requirements

RS

Rotfleisch & Samulovitch P.C.

Diffamation liée à des médicaments : peut-on mettre fin à la propagation de la mésinformation?

Les soins de santé continuent d'être un sujet important dans le débat public. Cependant, l'attention accrue dont ils font l'objet a également entraîné une hausse de la mésinformation concernant les produits pharmaceutiques.

Canada Healthcare

MT

McCarthy Tétrault LLP

CPD ACCREDITED Webinar: Supporting Survivors In Litigation (Video)

In this CPD-accredited presentation from the 2025 Supporting Survivors of Sexual Abuse Conference, Dr. Mandi Gray, assistant professor at Trent University and author of Suing for Silence...

Canada Litigation

GP

Gluckstein Lawyers

Protecting Public Interest Expression

Sheridan Retail Inc v Roy, a recent Ontario Superior Court decision, emphasizes the potency of Ontario's anti-SLAPP (Strategic Lawsuit Against Public Participation) rules...

Canada Litigation

PV

Pallett Valo LLP

Court Of Appeal Summaries (October 6 – 10, 2025)

Following are our summaries of the civil decisions of the Court of Appeal for Ontario for the week of October 6, 2025.

Canada Litigation

BM

Blaney McMurtry LLP

Judicial Treatment Of Apologies: A Strategic Tool?

Canada Litigation

L,

Langlois Lawyers, LLP

Thunder Bay Police Officer's Defamation Claim Against Law Student Dismissed (Gibson v. Cunningham)

Canada Litigation

GR

Gardiner Roberts LLP

Developer's $300,000 Lawsuit Against Student For Complaints To City SLAPPed Down

Canada Litigation

DA

DMG Advocates

Legal Considerations For Live Streaming Content In Canada: What You Need To Know

Canada Media & IT

EC

Edwards Creative Law

Appellate Quarterly (July 2025) – Key Takeaways

Canada Litigation

MT

McCarthy Tétrault LLP

Court Of Appeal Summaries (July 28, 2025 - August 1, 2025)

Canada Litigation

BM

Blaney McMurtry LLP

Copyright Notice And Notice: The Voltage Pictures Case

Canada Litigation

MT

McCarthy Tétrault LLP

No Hurt Feelings: To Recover Substantial Damages For Defamation, Corporate Defendants Must Lead Evidence Of Business Harm

Canada Litigation

TL

Torys LLP

Court Of Appeal Clarifies Corporate Defamation Damages

Worldwide Litigation

LL

Lerners LLP

Sorry, But Corporations Have No Feelings

Canada Commercial

Phillips Barristers

Copyright Notice And Notice: The Voltage Pictures Case

The Federal Court of Appeal released an important decision comprehensively reviewing the notice and notice regime in the Copyright Act (the "N&N regime") in Voltage Pictures v. Robert Salna 2025 FCA 131.

Canada Litigation

MT

McCarthy Tétrault LLP

No Hurt Feelings: To Recover Substantial Damages For Defamation, Corporate Defendants Must Lead Evidence Of Business Harm

In James Bay Resources Limited v. Mak Mera Nigeria Limited1, the Court of Appeal for Ontario set aside a $200,000 substantial damages award for defamation of a corporate plaintiff...

Canada Litigation

TL

Torys LLP

Court Of Appeal Clarifies Corporate Defamation Damages

The Court of Appeal for Ontario recently provided important guidance on the proper measure of damages for defamation of a corporate plaintiff...

Worldwide Litigation

LL

Lerners LLP

Sorry, But Corporations Have No Feelings

Can a corporation feel the sting of a defamatory statement? In short, no.

Canada Commercial

Phillips Barristers

Court Of Appeal Summaries (June 16-20, 2025)

Canada Litigation

BM

Blaney McMurtry LLP

Sexual Abuse Survivors Beware — The Defamation Risk

Two adult sisters accuse their uncle of sexually assaulting them as young children through spoken words and emails sent to family members. The uncle successfully sues them for defamation.

Canada Litigation

LL

Lerners LLP

Ontario Court Of Appeal SLAPPs Back In Construction Defamation Lawsuit

In Benchwood Builders, Inc. v. Prescott1, the Ontario Court of Appeal overturned an anti-SLAPP ruling that had dismissed a defamation lawsuit brought in the context of a heated dispute...

Canada Litigation

TL

Torys LLP

Can Courts Compel Social Media Platforms To Disclose Messages? Insights From Terrigno v Petzold

A recent Alberta decision has significant implications for how private messages on social media platforms may be accessed in litigation. In Terrigno v Petzold, 2025 ABKB 127...

Worldwide Media & IT

MT

Miller Thomson LLP

Beyond Statutory Immunity: British Columbia Supreme Court Case Exposes New Civil Liability Risks For Regulators

Unfair regulatory investigations and decisions now present more than just judicial review risks...

Canada Litigation

D

Dentons Canada LLP

Has The Court Of Appeal Made It Harder To Succeed On A SLAPP Motion In A Defamation Case? (Benchwood Builders Inc. v. Prescott)

Canada Litigation

GR

Gardiner Roberts LLP

Ontario Court Of Appeal Rules On Defamation And Online Reviews

Canada Litigation

LS

Lenczner Slaght LLP

Modern, Flexible Approach To Assessment Of Defamation Pleading Applied To Republication (Sawatzky v. Prince Albert Golf And Curling Club Inc.)

Canada Litigation

GR

Gardiner Roberts LLP

Plaintiff Obtains Summary Judgment Against Former Lawyers (Longarini v. Llyod)

Canada Litigation

GR

Gardiner Roberts LLP

Demand For Payment Undermines Defendant's Position That Defamation Action Involved A Matter Of Public Interest (Diverse Transportation v. Chen)

Canada Litigation

GR

Gardiner Roberts LLP

Court Of Appeal Summaries (February 10 – 14)

Canada Litigation

BM

Blaney McMurtry LLP

Defamation Claim Survives Dismissal Under Doctrine Of Absolute Privilege (Drabinsky v. Kepinski)

Canada Litigation

GR

Gardiner Roberts LLP

Defamation In Academia: A Legal And Practical Limit On Academic Freedom

Worldwide Litigation

WL

WeirFoulds LLP

Defamation Action Arising Out Of Relationship Breakdown Allowed To Proceed, But No Costs Ordered (Brown v. Landriault)

Canada Litigation

GR

Gardiner Roberts LLP

Lawyer's Defamation Action Against Former Colleague Dismissed

Canada Litigation

GR

Gardiner Roberts LLP

Unmasking Keyboard Warriors: Tackling Anonymous Online Defamation

Canada Litigation

TM

Taylor McCaffrey

Media Article That Reports On Court Decision Not Proper Subject For A Defamation Claim (Masjoody V. Burnaby Beacon)

Canada Litigation

GR

Gardiner Roberts LLP

Can I Sue Someone Over A Defamatory Social Media Post?

Canada Media & IT

DS

Devry Smith Frank LLP

L'immunité absolue s'applique-t-elle à des commentaires diffamatoires sur un tiers?

Canada Litigation

BC

Blake, Cassels & Graydon LLP

Defendant Business Competitors Liable For Defamation Campaign Based On Common Design (Valley Traffic Systems Inc. V. Malak)

Canada Litigation

GR

Gardiner Roberts LLP

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Latest Videos

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CPD ACCREDITED Webinar: Supporting Survivors In Litigation (Video)

GP

Gluckstein Lawyers

Internet Defamation: The Basics And Some Things To Consider (Video Content)

LL

Lerners LLP

Can A Business Be Defamed? (Video Blog)

LL

Lerners LLP

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