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Business & Strategy · intermediate · concept 311 of 311 · Updated Nov 4, 2026

AI in Law and Legal Work

AI in law means language models doing research, document review, drafting, and contract analysis. It matters because legal work is text-heavy and costly, and errors have consequences. In 2023 a New York lawyer was sanctioned for citing six cases ChatGPT invented, and a 2024 Stanford study found top legal research tools hallucinated in 17 to 33 percent of queries. Example: AI pulls clauses from thousands of contracts, then a lawyer checks each.

Key terms

Legal hallucinationRetrieval-augmented researchDuty of competenceDocument reviewContract analysisCitation verification

Where you meet it in the real world

Case law research, e-discovery and document review, contract clause extraction, first-draft memos and filings, court guidance on AI use, tracking of sanctioned AI citations