Some excerpts from the long discussion in Parker v. Costco Wholesale Corp., decided in November by Magistrate Judge S. Kate Vaughan (W.D. Wash.), but only recently posted on Westlaw:
The Court identified material misstatements and misrepresentations in those filings, which contained hallucinated case and record citations and legal errors consistent with unverified generative artificial intelligence (“AI”) use and ordered Counsel to show cause as to why sanctions should not issue. The Court outlines its observations before turning to Counsel’s explanations….
Review of Plaintiff’s Response to Defendant’s Motion for Summary Judgment (“MSJ Response”) indicated the filing relied on inapplicable law, misrepresented and misquoted the law and the record, and included a wide array of idiosyncratic citation errors. For brevity, the Court summarizes the most egregious examples….
[Among other things,] Counsel included hallucinated and inaccurate quotes to the record. This was particularly egregious given that he sought to demonstrate a question of material fact precluded summary judgment and attempted to do so by relying on mischaracterized evidence….