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Supreme Court survey: about 80% of South Korean judges have seen AI-cited false or nonexistent precedents

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The South Korean Supreme Court surveyed 360 judges from 6 to 16 October on AI hallucination in court cases. About 80% of judges handling civil, family and administrative cases had seen false or nonexistent precedents cited. 196 judges (80.7%) had seen citations of nonexistent precedents and 159 judges (65.4%) had seen false precedents. 164 judges said they themselves had cited false precedents, and 136 (57.6%) said lawyers had cited false precedents or other information.

Why it matters

An official at the National Court Administration said citing AI-generated false precedents may delay court proceedings, and nearly 92% of respondents said institutional measures are needed.

When
2 Nov 2026
ID
WTA-N-2026-0607
Who
South Korean Supreme Court, National Court Administration

Summary written with AI by wheresthe.ai, from Yonhap News Agency. Checked against the source on 2 Nov 2026.

Source copy: saved on 2 Nov 2026 to check this story and not republished, because the text belongs to its publisher. Also held by the Internet Archive.

Cite this story

WTA-N-2026-0607: “Supreme Court survey: about 80% of South Korean judges have seen AI-cited false or nonexistent precedents.” wheresthe.ai, 2 Nov 2026. https://wheresthe.ai/d/kr-supreme-court-survey-about-80-of-south-korean-judges-have-2026-11/ (source: Yonhap News Agency).

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