Easy Isn’t Fair: The Third Circuit Explains Why Copying Westlaw Headnotes to Train AI Failed the Fair Use Test

The Third Circuit has now shown its work. On October 1, 2026, Above the Fold reported that the court affirmed the judgment for Thomson Reuters in its suit against Ross Intelligence and that it filed its opinion under seal. With the full opinion now public, practitioners can see how the first federal appellate court to address AI training and fair use got to its result.