Claude maker Anthropic's use of copyright-protected books in its AI training process was "exceedingly transformative" and fair use, US senior district judge William Alsup ruled on Monday. It's the first time a judge has decided in favor of an AI company on the issue of fair use,

In a test case for the artificial intelligence industry, a federal judge has ruled that AI company Anthropic didn’t break the law by training its chatbot Claude on millions of copyrighted books.

A federal judge in San Francisco ruled late on Monday that Anthropic's use of books without permission to train its artificial intelligence system was legal under U.S. copyright law.