Anthropic sued by major Canadian news publishers for copyright claims in Ontario court

Major Canadian news publishers have filed a lawsuit against Anthropic, alleging that the company used their copyrighted content to train its Claude AI model without authorization. The plaintiffs claim this constitutes copyright infringement and unjust enrichment.
Why it matters
This case is part of a growing legal trend where media organizations challenge AI companies over the use of intellectual property in training data, which could set significant precedents for AI development.
Postmedia, Torstar, The Globe and Mail and The Canadian Press say Anthropic infringed on their copyright by using their content to develop its large language AI model, Claude.
"Anthropic has capitalized on the commercial success of its AI models, building an expansive suite of services, and raised significant capital — all without obtaining a valid licence from any of the News Media Companies," says the statement of claim.
"In doing so, Anthropic has been substantially and unjustly enriched to the detriment of the News Media Companies."
The lawsuit, filed on Oct. 6, was first reported by the news site Cartt.ca. Anthropic has not responded to a request for comment. The allegations have not been proven in court.
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