B.C. lawyer reprimanded for citing fake cases invented by ChatGPT

The cases would have provided compelling precedent for a divorced dad to take his children to China — had they been real.

But instead of savouring courtroom victory, the Vancouver lawyer for a millionaire embroiled in an acrimonious split has been told to personally compensate her client’s ex-wife’s lawyers for the time it took them to learn the cases she hoped to cite were conjured up by ChatGPT.

In a decision released Monday, a B.C. Supreme Court judge reprimanded lawyer Chong Ke for including two AI “hallucinations” in an application filed last December.

The cases never made it into Ke’s arguments; they were withdrawn once she learned they were non-existent.

Justice David Masuhara said he didn’t think the lawyer intended to deceive the court — but he was troubled all the same.

“As this case has unfortunately made clear, generative AI is still no substitute for the professional expertise

B.C. Law Society investigates lawyer who used AI to make fake case law

In his ruling, Justice David Masuhara said he found the details of the case ‘alarming’

Article content

A lawyer who said it was “mortifying” to learn she had submitted AI-generated fake case law in error to back her client’s petition in a family law hearing is being investigated by the province’s regulatory body for lawyers.

“I can confirm that the Law Society is investigating the