Nebraska Supreme Court

Nebraska Supreme Court suspends attorney over AI filing (Greg Lake)

Sanctioned · 16 April 2026

SectorLegal

CountryUnited States

Document typeAppellate brief (divorce appeal)

ConsequenceSanctioned

What was fabricated

A divorce-appeal brief the court found "potentially AI-generated" was "filled with fictitious cases … and fictitious quotations from statutes." The court listed 20 examples of fictional quotes, incorrect case numbers, or misrepresented holdings, including a wholly fictitious 2019 case, Kennedy v. Kennedy, cited with fabricated quotations. By opposing counsel's count, 57 of 63 references in the brief were defective.

What happened as a result

In a unanimous 20 March 2026 opinion the Supreme Court rejected the briefs and referred attorney Greg Lake to the state's Counsel for Discipline for a candour failure after he repeatedly denied using AI; he later admitted it by affidavit. A temporary suspension from the practice of law took effect 16 April 2026 — reported as the first US bar-discipline action to remove a lawyer from practice over AI-related filing errors.

Sources

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