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Legal Engineering

Pinsent Masons case turns AI verification into a supervision issue

An Insolvency and Companies Court judge publicly admonished Pinsent Masons after a junior solicitor used AI in producing misleading letters, with the judge saying lawyers cannot outsource legal research or reasoning to AI.

BY TRANSATLANTIC DESK · MAY 27, 2026 · 1 MIN READ

An Insolvency and Companies Court judge publicly admonished Pinsent Masons after a junior solicitor used AI in producing misleading letters, with the judge saying lawyers cannot outsource legal research or reasoning to AI. The case makes AI governance a matter of partner supervision, candour to the court and escalation design, not only junior-lawyer training.

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