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ARTICLE · 06 APRIL 2026

AI Hallucinations In Court: A Case Study In How Bad It Can Get

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Today's guest post is from Dechert‘s Mary Kim. She takes a closer look at a case where plaintiff's use of AI landed them in hot water and how defendants can make the most of these situations.

United StatesTechnology
Michelle Yeary
Michelle Yeary

Today's guest post is from Dechert's Mary Kim. She takes a closer look at a case where plaintiff's use of AI landed them in hot water and how defendants can make the most of these situations. As always our guest posters deserve 100% of the credit (and any blame) for their writings.

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The existing commentary on the growing epidemic of artificial intelligence ("AI") hallucinations in legal filings has largely focused on the forest—the staggering and accelerating volume of cases, along with the inadequacy of existing sanctions. All of that commentary is correct, and the numbers are genuinely alarming. But sometimes, it is worth stepping back and looking carefully at a single tree.

On March 2, 2026, this blog's modest proposal on the abuse of AI issues mentioned the LeDoux v. Outliers, Inc. case. No. 3:24-CV-05808-TMC, 2026 WL 291023 (W.D. Wash. Feb. 4, 2026). This case is one of those cases that warrants a closer read. Not because it involves a single rogue citation slipping

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