This is a key case for those following legal developments in AI and worth a read. It was certainly a lively topic of almost every discussion amongst IP counsel in various jurisdictions at the International Bar Association Conference 2025.
The U.K. High Court has ruled that Stable Diffusion, a generative AI tool that creates high-quality images from text descriptions is not an “infringing article” merely because it was trained on copyrighted images, finding that model weights do not store or reproduce training works. In their article, Michael Fekete, Mat Brechtel, Matt Diskin, Barry Fong and Sam Ip write that this decision will be closely watched in Canada, including for its guidance on individualized proof and class definition challenges in AI training cases. https://ow.ly/Ti8E50XosMT