Judge pares down artists' AI copyright lawsuit against Midjourney, Stability AI

FILE PHOTO: AI (Artificial Intelligence) letters are placed on computer motherboard in this illustration taken June 23, 2023. REUTERS/Dado Ruvic/Illustration/File Photo Acquire Licensing Rights

Judge dismisses claims over AI output, publicity rightsKey claim over use of artists’ images in Stability AI training continues

Oct 30 (Reuters) – A judge in California federal court on Monday trimmed a lawsuit by visual artists who accuse Stability AI, Midjourney and DeviantArt of misusing their copyrighted work in connection with the companies’ generative artificial intelligence systems.

U.S. District Judge William Orrick dismissed some claims from the proposed class action brought by Sarah Andersen, Kelly McKernan and Karla Ortiz, including all of the allegations against Midjourney and DeviantArt. The judge said the artists could file an amended complaint against the two companies, whose systems utilize Stability’s Stable Diffusion text-to-image technology.

Orrick also dismissed McKernan and Ortiz’s copyright infringement claims entirely. The judge allowed Andersen to continue pursuing her key claim that Stability’s alleged use of her work to train Stable Diffusion infringed her copyrights.

The same allegation is at the heart of other lawsuits brought by artists, authors and other copyright owners against generative AI companies.

“Even Stability recognizes that determination of the truth of these allegations – whether copying in violation of the Copyright Act occurred in the context of training Stable Diffusion or occurs when Stable Diffusion is run – cannot be resolved at this juncture,” Orrick said.

The artists’ attorneys Joseph Saveri and Matthew Butterick said in a statement that their “core claim” survived, and that they were confident that they could address the court’s concerns about their other claims in an amended complaint to be filed next month.

A spokesperson for Stability declined to comment on the decision. Representatives for Midjourney and DeviantArt did not immediately respond to requests for comment.

The artists said in their January complaint that Stability used billions of images “scraped” from the internet, including theirs, without permission to teach Stable Diffusion to create its own images.

Orrick agreed with all three companies that the images the systems actually created likely did not infringe the artists’ copyrights. He allowed the claims to be amended but said he was “not convinced” that allegations based on the systems’ output could survive without showing that the images were substantially similar to the artists’ work.

The judge also dismissed other claims from the artists, including that the companies violated their publicity rights and competed with them unfairly, with permission to refile.

Orrick dismissed McKernan and Ortiz’s copyright claims because they had not registered their images with the U.S. Copyright Office, a requirement for bringing a copyright lawsuit.

The case is Andersen v. Stability AI Ltd, U.S. District Court for the Northern District of California, No. 3:23-cv-00201.

For the artists: Joseph Saveri of Joseph Saveri Law Firm; and Matthew Butterick

For Stability: Paul Schoenhard of Fried Frank Harris Shriver & Jacobson

For Midjourney: Angela Dunning of Cleary Gottlieb Steen & Hamilton

For DeviantArt: Andy Gass of Latham & Watkins

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Reporting by Blake Brittain in Washington

Our Standards: The Thomson Reuters Trust Principles.

Blake Brittain reports on intellectual property law, including patents, trademarks, copyrights and trade secrets, for Reuters Legal. He has previously written for Bloomberg Law and Thomson Reuters Practical Law and practiced as an attorney.
Contact: +12029385713

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