Artificial intelligence company Ross Intelligence is pressing a federal appellate court to reverse a ruling that it infringed copyright by training its legal research service on material published by ...

At least 20 amicus briefs have been filed in a dispute over ROSS Intelligence’s alleged use of Westlaw headnotes to train its AI. Thomson Reuters has received support from media companies and ROSS has ...

In 2025, three federal district court decisions began to sketch the boundaries of what counts as fair use in the context of AI training.

“Courts are adapting the flexible fair-use doctrine to modern technology without rewriting the statute.” The results point toward a single principle: when AI training reproduces a copyrighted work’s ...

On Tuesday, Judge Stephanos Bibas of the U.S. Court of Appeals for the Third Circuit granted a partial summary judgment in Thomson Reuters’ lawsuit against legal research startup ROSS Intelligence ...