Missouri Businessman Fined for False AI-Created Case Citations

Feb. 14, 2024, 3:42 PM UTC

A Missouri business owner must pay $10,000 in sanctions for writing legal briefs containing almost two dozen fake case citations generated by artificial intelligence, a state appeals court ruled.

The decision is the latest dealing with AI-generated “hallucinations” in a court filings, as the popular technology is increasingly adopted by the legal industry.

A three-judge panel for the Eastern District of the Missouri Court of Appeals determined that Jonathan Karlen, a business owner representing himself in an unpaid wages lawsuit in a state trial court, cited only two genuine legal precedents out of the 24 citations in his appeals brief. ...

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