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03 December 2025
Issue: 8142 / Categories: Legal News , Profession , Technology , Artificial intelligence , Risk management
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Bar Council warns against risks of AI

Barristers have been warned to be on guard against anthropomorphism, hallucinations, information disorder, bias in data training, mistakes, data protection blunders and confidential data leaks when using generative artificial intelligence (AI)

These are some of the main risks with large language models (LLMs), highlighted in updated Bar Council ethics and practice guidance. The guidance concludes barristers must remember that they are ultimately responsible for any legal work produced.

AI-hallucinated fake cases and citations have been accidentally included by lawyers acting in a number of cases this year.

The updated ethics guidance highlights the fact that LLMs do not have a conscience or social and emotional intelligence. It refers to recent case law on the subject as well as academic research into the reliability of AI research.

Barbara Mills KC, chair of the Bar Council, said: ‘As the guidance explains, the best-placed barristers will be those who make the efforts to understand these systems so that they can be used with control and integrity.’

MOVERS & SHAKERS

Harneys—Maggie Kwok & George Weston

Harneys—Maggie Kwok & George Weston

Harneys senior leadership appointments

Freeths—Keith Browne & Jim Jordan

Freeths—Keith Browne & Jim Jordan

Freeths strengthens London Construction and Engineering practice with two strategic senior hires

Anthony Collins—Laura Moss

Anthony Collins—Laura Moss

Anthony Collins announces strategic hire to deepen skills base in the social business sector

NEWS
More than 100 teams from the legal and financial services sectors competed in five sports at the 51st Law Society RFC Festival of Sport earlier this month
Part-time status need only be an effective cause of less favourable treatment, rather than the sole cause, the Supreme Court has held in Augustine v Data Cars
Britain’s new acknowledgement that Israel’s occupation is unlawful, and accompanying settlement-goods ban and sanctions, is significant but overdue, argue Danny Friedman KC and Victor Kattan in NLJ this week
New planning fee rises, wider trade union access rights and a service-by-email trap feature in Stephen Gold’s latest Civil Way
Existing defamation law can respond to AI ‘hallucinations’, but allocating responsibility will prove harder where outputs reach users without human intervention
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