Canada: Libel & Defamation

A lawyer successfully obtained an interim injunction to remove defamatory social media posts after a defendant orchestrated a campaign of online harassment, including review bombing and anti-Semitic attacks. The Ontario court found a strong prima facie case of internet harassment and ordered the removal of offending content, balancing freedom of expression against irreparable harm to the lawyer's professional reputation and family safety.

The Ontario Court of Appeal's decision in Solmar Inc. v. Hall examines whether public-interest expression in municipal land-use disputes shields speakers from defamation claims when their statements contain...

A Saskatchewan court awarded $150,000 in damages after defamatory Facebook posts accused a rural municipality administrator of lying, misallocating funds and theft. The case demonstrates how social media accusations in small communities can cross the line from legitimate criticism into actionable defamation, particularly when targeting public officials whose roles depend on trust.

Following are our summaries of the civil decisions of the Court of Appeal for Ontario for the week of December 1, 2025.

The internet permits everyone with access to a computer to post their unfiltered views about anything. In this medium, there is an inherent risk that a person's unfiltered comments...

The plaintiff in this action was the former General Counsel for the O'Chiese First Nation (O'Chiese). O'Chiese had engaged a law firm to pursue litigation that was not successful.

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...

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

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