By Khari Johnson, CalMatters

The fine appears to be the largest issued over AI fabrications by a California court and came with a blistering opinion stating that 21 of 23 quotes from cases cited in the attorney’s opening brief were made up. It also noted that numerous out-of-state and federal courts have confronted attorneys for citing fake legal authority.

“We therefore publish this opinion as a warning,” it continued. “Simply stated, no brief, pleading, motion, or any other paper filed in any court should contain any citations— whether provided by generative AI or any other source—that the attorney responsible for submitting the pleading has not personally read and verified.”

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