Authors’ Rights at Stake: Microsoft Sued Over AI’s Book Training

Authors’ rights are squarely at stake in a new lawsuit filed against Microsoft, alleging the company used nearly 200,000 pirated books to train its Megatron artificial intelligence. This legal action underscores the fundamental conflict between the protection of intellectual property and the rapid development of AI technologies. The authors claim the AI was explicitly designed to mimic their writing styles and themes.
The complaint, lodged in New York federal court, demands a court order to halt Microsoft’s alleged copyright violations and seeks substantial statutory damages, potentially reaching $150,000 for each alleged instance of misuse. The authors emphasize the critical role that massive datasets play in enabling generative AI to produce realistic and diverse content. They assert that the pirated collection was central to the AI’s mimetic capabilities.
Microsoft has not yet provided an official response to the lawsuit, and the authors’ legal counsel has not offered a comment. This case joins a growing list of high-stakes legal battles involving AI and copyright, including recent rulings in California concerning Anthropic and Meta, illustrating the evolving legal challenges facing the AI industry.
The legal fight over AI and copyright is expanding across various media. The New York Times and Dow Jones have sued AI firms over their archival content, while major record labels and visual artists are also pursuing legal action. Tech companies generally argue for fair use, maintaining that their AI creates transformative new content and that overly strict copyright enforcement could impede the progress of the AI sector.