Quebec man fined for using AI-generated evidence in court
The court criticised fabricated AI citations in a legal defence, warning of the risks to judicial proceedings.
A Quebec court has fined Jean Laprade C$5,000 (US$3,562) for submitting AI-generated content as part of his legal defence. Justice Luc Morin described the move as ‘highly reprehensible,’ warning that it could undermine the integrity of the judicial system.
The case concerned a dispute over a contract for three helicopters and an airplane in Guinea, where a clerical error awarded Laprade a more valuable aircraft than agreed. He resisted attempts by aviation companies to recover it, and a 2021 Paris arbitration ruling ordered him to pay C$2.7 million.
Laprade submitted fabricated AI-generated materials, including non-existent legal citations and inconsistent conclusions, in an attempt to strengthen his defence.
The judge emphasised that AI-generated information must be carefully controlled by humans, and the filing of legal documents remains a solemn responsibility. Morin acknowledged the growing influence of AI in courts but stressed the dangers of misuse.
While noting Laprade’s self-representation, the judge condemned his use of ‘hallucinated’ AI evidence and warned of future challenges from AI in courts.
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