Both Lexis and Westlaw have invested substantially to develop their AI products. Given this, it should not be a surprise that they are looking to recoup these investments, ...

First, for many cases Westlaw includes a link to a PDF of the original reporter image; if I need to quote a case for my work, and the Westlaw version seems like it might be in error, I’d have to ...

The Third Circuit agreed to review Ross Intelligence Inc.'s appeal of a district court ruling finding its AI-powered legal ...

New Results and Aftermath. Stanford's researchers found that Westlaw's AI-Assisted Research tool hallucinated nearly twice as often as Lexis+ AI—with Lexis+ AI hallucinating 17% of the time, and ...

Thomson Reuters has accused Ross Intelligence of improperly copying data from its Westlaw legal-research division to train an AI-powered competitor. A jury will decide the case, a judge ruled this ...

We've written before, on these pages, about Westlaw and LexisNexis, the two computer-based leading research-sources used by lawyers (click here and here). For decades, the pair has had a knack for ...

When Westlaw turned Ross away, it asked third-party legal research companies to provide it with legal material — much of which those legal research companies obtained from Westlaw.

Say that you've copied a few paragraphs from Westlaw to Word, and they include yellow and red flags and similar items indicating the status of various cases (e.g., whether they've been ...

Like Westlaw, LexisNexis is a legal research tool primarily used by attorneys. Kolodin said that in his experience, it has a higher hallucination rate than ChatGPT, ...

But Westlaw and Lexis can surely hire their own copyeditors. Alternatively, if they want me to submit errors when I run across them, they could offer a small reporting fee to people who report ...