United Kingdom · Legal Practice

UK AI False Citation Review

The High Court jointly examined fabricated or inaccurate legal materials filed in two proceedings and set out the duties of solicitors and barristers regarding citation verification, supervision and candour to the court.

Court or tribunal
High Court of Justice of England and Wales, King’s Bench Division, Divisional Court
Decision date
5 June 2025
Procedural status
High Court judgment
Case number
[2025] EWHC 1383 (Admin)

01

Factual background & dispute

  • Two unrelated proceedings contained legal citations that could not be verified or accurately supported.
  • Generative AI use affected the preparation of the materials to different degrees.
  • The court examined drafting, review, approval and the explanations and corrective action taken after the problems emerged.

02

Core issues & judicial focus

  1. The verification standard for legal professionals using generative AI
  2. Supervisory responsibility of team leaders, signing lawyers and advocates
  3. Disclosure and correction duties after fabricated citations are discovered

03

Judicial finding & holding

  • The court stated that every legal authority submitted to a court must be checked against an authoritative source.
  • AI use leaves professional responsibility for accuracy and authenticity with the lawyer.
  • The judgment addressed the procedural consequences in each matter and directed referral of relevant materials to professional regulators.

04

Practical risk implications

01Implement citation-by-citation verification, second-person review and final approval records for court filings.

02Allocate responsibility for AI-assisted research, drafting, review and advocacy across the matter team.

03Once an error is found, stop relying on the affected material, conduct a complete review and provide the court with an accurate account.

Court documentsFull judgments and orders1 document

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