Disney and Universal sue Midjourney
In 2025 Disney and Universal, followed by Warner Bros. Discovery, sued the AI image service Midjourney for copyright infringement; the three cases were later consolidated.
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US court rejects fair use in Thomson Reuters v Ross Intelligence
In February 2025 a Delaware federal judge held that Ross Intelligence's use of Westlaw headnotes to train its legal AI tool infringed Thomson Reuters' copyright, and rejected its fair use defence — described as the first substantive AI copyright ruling.
US judge lets artists' claims against image generators proceed
In August 2024 a US judge let illustrators suing Stability AI, Midjourney, DeviantArt and Runway AI pursue some copyright and trademark claims, while leaving the core training-data question undecided.
Record labels sue Suno and Udio over AI music training
In June 2024 the RIAA announced that major record companies had sued Suno and Udio, two AI music generation services, alleging that building them required copying decades of copyrighted sound recordings.
The New York Times sues OpenAI and Microsoft over copyright
On 27 December 2023 The New York Times sued OpenAI and Microsoft in Manhattan federal court, saying millions of its articles were used without permission to build AI products including ChatGPT — the first such suit by a major US media organisation.
US authors sue OpenAI and Microsoft over training data
Eleven US authors and a later class action sued OpenAI and Microsoft, alleging the companies copied books without permission to train AI chatbots, part of a wider wave of copyright litigation.
China publishes the Interim Measures for the Management of Generative AI Services
On 13 July 2023 China's Cyberspace Administration published the Interim Measures for the Management of Generative AI Services, which took effect on 15 August 2023. They apply to generative AI services offered to the public in mainland China.
Artists sue Stability AI, Midjourney and DeviantArt over training data
In January 2023 three artists filed a class-action copyright suit against Stability AI, Midjourney and DeviantArt, saying their image generators were trained on artists' work without permission — an early test of how copyright law applies to generative AI.