David Lat (Original Jurisdiction) has the story. A brief excerpt:

AI mistakes are no longer the province of the wantonly stupid. They can even be committed by leading litigators at famous firms.

The firm is Boies Schiller Flexner, "one of the most prestigious and profitable law firms in the nation. It's currently #55 in the Vault 100, the nation's 100 most prestigious law firms, and #118 in the Am Law 200, the country's 200 largest law firms based on revenue." Big firm lawyers (like all lawyers), take note.

Here's the declaration from the partner involved, filed together with a brief correcting the hallucinations:

I was and am the sole Firm partner with responsibility for overseeing the preparation and filing of the Filed Response Brief in this action. Under my direction, and with cons

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