Matthew Lee

@matlee
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6 Following
7 Posts
Barrister at Doughty Street Chambers in Civil Liberties, Equality, Housing & AI. Founder @NaturalArtificialLaw advocating justice in human & AI futures. #AI #AILaw #LegalTech
Chambers Profilehttps://www.doughtystreet.co.uk/barristers/matthew-lee
Bloghttps://naturalandartificiallaw.com/
Newsletterhttps://naturalartificiallaw.substack.com/
LinkedInhttps://www.linkedin.com/in/matthew-lee-62178620/
Matthew Lee2d ago

We are now at 58 reported AI hallucination cases (suspected or confirmed) in the UK.

We have over 1100 internationally. #aihallucinations #ailaw #ai

https://naturalandartificiallaw.com/ai-hallucination-cases-uk-58/

UK AI Hallucination Cases: 4 New Cases 58 in total

UK AI hallucination cases now stand at 58. This update reviews three new decisions, a possible Irish incident, and what the judgments suggest.

Natural and Artificial Law
Matthew LeeFeb 22
https://naturalandartificiallaw.com/ai-deepfake-database-uk-hallucinations/ #deepfakes #aihallucinations #employmentlaw
AI Deepfake Database, 47 UK Hallucinations& Tribunal Lessons

The launch of the International AI Deepfake Database, analysis of 47 UK hallucination cases and broader lessons from the Employment Tribunal.

Natural and Artificial Law
Matthew LeeDec 18
https://naturalandartificiallaw.com/thirty-uk-hallucinated-citations/
30 hallucinated citations in UK: recent cases and lessons.

Recent UK decisions on AI hallucinated citations, including D (A Child) (Recusal) [2025] EWCA Civ 1570, and what courts expect from parties.

Natural and Artificial Law
Matthew LeeSep 3, 2025

Garcia v Character AI and 3 Critical New Chatbot Harm Cases.

This post is an update to my earlier piece on The Real Dangers of AI Chatbots: Garcia v Character AI litigation. It reviews new developments in that case, highlights further alleged harms, and surveys related litigation and government action that point to what we may see next.

https://naturalandartificiallaw.com/garcia-v-character-ai-update/

#ChildProtection #AIlaw #ArtificialIntelligence

Garcia v Character AI and 3 Critical New Chatbot Harm Cases

Latest on Garcia v Character AI plus Texas, Raine v OpenAI and Utah v Snap. Key rulings and what these chatbot harm cases mean for liability

Natural and Artificial Law
Matthew LeeSep 3, 2025

Weekly Update on International AI Hallucinations and/or Fabricated Citations: 25–31 August 2025

https://naturalandartificiallaw.com/ai-hallucinations-and-or-fabricated-citations-2/

#AIlaw #AI #AIhallucinations

AI Hallucinations and/or Fabricated Citations Aug 2025

Weekly tracker of AI hallucinations and/or fabricated citations in court filings, sanctions and referrals, with case summaries from 26 to 29 Aug 2025.

Natural and Artificial Law
Matthew LeeAug 25, 2025

AI Hallucinations and/or Fabricated Citations: 13th UK Case (Family), Australian Court Cites Ayinde, and a Rising International Total

https://naturalandartificiallaw.com/ai-hallucinations-and-or-fabricated-citations/

#ailaw #ai #aihallucinations #legaltech

AI Hallucinations and/or Fabricated Citations (Legal) 13UK

Weekly round up on AI hallucinations and/or fabricated citations in UK, US and Australian courts, tracking incidents, sanctions etc.

Natural and Artificial Law
Matthew LeeAug 23, 2025
Since Ayinde v Haringey, UK courts & tribunals have faced further known incidents of AI hallucinations (false legal citations). Around 12 at time of writing but atleast one further. I’ve mapped the full timeline. Written as a resource for colleagues, drawing on notes from my talks. Full article → https://naturalandartificiallaw.com/false-citations-ai-hallucinations-uk/ #AI #Law #UKLaw #legaltech #ailaw #artificialintelligence #aihallucinations
12 False Citations/AI Hallucinations in UK Courts (Ayinde)

Explore how UK courts handled False Citations/AI hallucinations in Pro Health, MS (Bangladesh), and Gunnarsson after Ayinde.

Natural and Artificial Law