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Matthew Lee

@nandalaw.bsky.social

Barrister at Doughty Street Chambers in Civil Liberties, Equality, Housing & AI. Founder @NaturalArtificialLaw advocating justice in human & AI futures. #AI #AILaw #LegalTech

163 Followers  |  539 Following  |  65 Posts  |  Joined: 21.02.2025
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Posts by Matthew Lee (@nandalaw.bsky.social)

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50 AI Hallucination Cases UK Courts (Suspected or Confirmed) Legal analysis of 50 suspected and confirmed AI hallucination cases UK Courts focusing on fake citations, regulatory referrals, and the recent UT(IAC) decision.

naturalandartificiallaw.com/ai-hallucina... #ailaw #aihallucinations

01.03.2026 12:47 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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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.

naturalandartificiallaw.com/ai-deepfake-... #deepfakes #aihallucinations #employmentribunal

22.02.2026 09:25 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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AI Privilege in US v Heppner & New UKIPO Hallucinations US court considers AI privilege in US v Heppner. Plus, new UKIPO findings bring the total of UK suspected or confirmed AI hallucinations to 43.

43 reported incidents in the UK courts and tribunals of AI hallucinations (suspected or confirmed) and AI Privilege?#aihallucinations #ailaw #aiprivilege naturalandartificiallaw.com/ai-privilege...

15.02.2026 15:48 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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AI Hallucinations in Court: 38UK Sanctions & Case Law Update Legal analysis of recent AI hallucinations in court cases 2026 and evidence. Commentary AI in legal practice.

naturalandartificiallaw.com/ai-hallucina... #ailaw #aihallucinations #legaltech

08.02.2026 21:13 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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The Thirty-seven UK Cases of Hallucinated Citations, AI and Otherwise: Phantom cases, ChatGPT's "top 10 cases" and Updated UK Tracker. β€œβ€¦This was pointed out to him at the hearing. He immediately admitted what he had done and that the references were phantoms created by AI"

open.substack.com/pub/naturala... #ailaw #aihallucinations

01.02.2026 08:57 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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3 Key AI Legal Cases: Hallucinations, Expert Evidence & Hire Analyse three pivotal AI legal cases regarding hallucinated citations, expert evidence disputes, and algorithmic bias in recruitment. Essential lessons.

naturalandartificiallaw.com/ai-legal-cas... #ailaw #ai #aihallucinations

25.01.2026 16:50 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
AI issues in the First Tier Tribunal (Property Chamber) and Upper Tribunal (LC) - Nearly Legal: Housing Law News and Comment As issues with the use of LLM generative AI in submissions in cases continue to arise, it is perhaps not surprising that the FTT(PC) appears to have had its share of such problems. What is perhaps mor...

With thanks to Matthew Lee at Doughty Street for keeping track, here's a clutch of recent First Tier Tribunal (PC) and Upper Tribunal (LC) cases involving LLM generative AI issues - you might expect this given the high number of LIPs, but also includes a solicitor

nearlylegal.co.uk/2026/01/ai-i...

18.01.2026 18:26 β€” πŸ‘ 13    πŸ” 6    πŸ’¬ 0    πŸ“Œ 1
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The Thirty-one UK cases of hallucinated citations, AI and otherwise: Elden v HMRC [2026] UKFTT 41 (TC) and the current UK case list β€œIt is not β€˜co-operating with the Tribunal’ to neither confirm nor deny the use of AI.”

open.substack.com/pub/naturala... #ai #ailaw #aihallucinations #legaltech

18.01.2026 14:38 β€” πŸ‘ 2    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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AI in the Courts: Lessons from Australia and the US Legal commentary on Bezzina (Australia) and Gardner (USA). Exploring the risks of AI in the courts, unauthorised practice and second opinions.

naturalandartificiallaw.com/ai-in-the-co...

12.01.2026 08:16 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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AI Law: Is It Now a Distinct Practice Area? Is AI law a distinct practice area or something that cuts across everything? A practical look at emerging legal disputes directly related to AI.

naturalandartificiallaw.com/ai-law-pract...

#ailaw #ai #law

06.01.2026 16:15 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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AI in Judicial Decision Making: 5 issues Dame Victoria Sharp An analysis of Dame Victoria Sharp’s Mayflower Lecture on AI in judicial decision making. Exploring the β€˜Black Box’ problem, hallucinations, bias etc.

naturalandartificiallaw.com/ai-in-judici...
#ailaw #aijudges

28.12.2025 16:02 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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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.

naturalandartificiallaw.com/thirty-uk-ha...
#aihallucinations #ailaw

18.12.2025 12:41 β€” πŸ‘ 3    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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ChatGPT Evidence in Family Law: G v K [2025] EWHC 2961 How did the High Court treat ChatGPT evidence in family law? This analysis of G v K [2025] EWHC 2961 (Fam) and how that may impact other law.

naturalandartificiallaw.com/chatgpt-evid... #ailaw #familylaw #chatgpt

07.12.2025 15:00 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Four New UK AI Hallucination Cases (24 in Total) Another four UK AI hallucination cases bring the total to 24. This update tracks false citations in courts and why the problem is escalating globally.

naturalandartificiallaw.com/uk-ai-halluc... #AIlaw #AIhallucinations

29.11.2025 14:40 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
Christmas gnome with skis on snow

Christmas gnome with skis on snow

Enjoy an afternoon with us and Father Christmas at The Inner Temple for our annual Children’s Christmas Tea! Presents, festive food, and minced pies for all! 🎁 πŸ₯§

πŸ›· Sunday, 14 December
β›ͺ 3.30pm Nativity Play in @TempleChurchLDN
πŸŽ„ 4pm Christmas Tea in Inner Temple Hall
πŸŽ…πŸ» Tickets: nrtm.pl/4hYEOHm

20.11.2025 13:10 β€” πŸ‘ 1    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0
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20th UK AI Hallucinations/Fabricated Citations (Employment) 20th UK AI Hallucinations/Fabricated Citations Incident from the ET: Standards Remain Key, but Legal Qualification and Volunteer Input Matter.”

naturalandartificiallaw.com/20th-uk-ai-h... #AIlaw #UKAIhallucinations #AIhallucinations

20.11.2025 10:47 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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19th Recorded Incident AI Hallucinations & Fabricated law UK The 19th recorded UK incident involving AI hallucinations and fabricated legal citations. Judge used AI tools to test the submissions.

naturalandartificiallaw.com/19th-uk-ai-h... #ailaw #aihallucinations #fabricatedcitations

16.11.2025 12:01 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Updated AI Guidance for Judicial Office Holders 31Oct2025 The AI Guidance for Judicial Office Holders was updated on 31 October 2025. In this legal article I consider the key provisions.

naturalandartificiallaw.com/updated-ai-g... #AI #ailaw #judicialguidance

02.11.2025 09:52 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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4 False Citations/Suspected AI from Ireland (WRC Guidance) False legal citations in Ireland. New WRC guidance clarifies how to use AI for submissions, how to avoid false citations and what lawyers must do.

#ailaw #falsecitations #aihallucinations

naturalandartificiallaw.com/false-citati...

01.11.2025 08:33 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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18th UK False Legal Citation: source unclear & no criticism Turning to this latest legal case report, which is most likely the 18th False Legal Citation case in the UK, I reflect on the court's nuanced approach.

naturalandartificiallaw.com/18th-uk-fals... #ailaw #aihallucinations #artificialintelligence

26.10.2025 12:10 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Free Legal AI Webinar + 7 Takeaways from Sir Geoffrey Vos Join a free legal AI webinar with expert panellists and explore seven key takeaways from Sir Geoffrey Vos on AI, justice, and the future of law.

naturalandartificiallaw.com/free-legal-a... #ailaw #aihallucinations #legaltech

21.10.2025 16:40 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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3 New UK False Citations/AI Hallucinations Cases: 17 now The phenomenon of false citations/AI hallucinations continues to grow. This article reviews three new UK incidents.

Three New False Citations/AI Hallucinations in UK: Citation Wrongly Deployed Twice? Brings the Total to 17 naturalandartificiallaw.com/false-citati... #AIlaw #legaltech

19.10.2025 17:16 β€” πŸ‘ 0    πŸ” 2    πŸ’¬ 0    πŸ“Œ 0
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I’m Hosting a Public Free Legal AI Webinar: Come for a Virtual Coffee (With or Without the Coffee) on AI and Law with Me and Voices from AI Law and Beyond - Natural and Artificial Law With that in mind, I’m going to try something new: a regular, informal online gathering. Think of it as a virtual coffee discussion a chance to talk in real

I’m Hosting a Public Free Legal AI Webinar: Come for a Virtual Coffee (With or Without the Coffee) on AI and Law with Me and Voices from AI Law and Beyond naturalandartificiallaw.com/im-hosting-a... #ailaw #aihallucinations

14.10.2025 20:09 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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AI Witness Statements UK: Another Hallucination? Explores AI witness statements UK courts under CPR 32 and PD 22A and a further hallucination incident? What this means for evidence.

A Further UK Hallucination Incident? Reflections on AI Witness Statements UK, and β€˜Own Words’ Requirements naturalandartificiallaw.com/ai-witness-s... #ailaw #aihallucinations #ai #legaltech

03.10.2025 15:23 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Will AI Replace Lawyers? A Living Record of Expert Views Will AI replace lawyers? Evidence-led answers with quotes from judges, lawyers, academics and tech, plus a live Tracker you can contribute to.

naturalandartificiallaw.com/will-ai-repl... #ailaw #aihallucinations #ai #legaltech

03.10.2025 15:21 β€” πŸ‘ 1    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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E&W (Tax) Tribunal Judge uses AI: 5 Key and Urgent Issues UK tribunal judge uses AI in an HMRC tax disclosure case. Full decision, guidance, and implications for lawyers and litigation practice.

England and Wales (Tax) Tribunal Judge uses AI to Make Judicial Decision and Explains Why: 5 essential takeaways from a tax decision naturalandartificiallaw.com/judge-uses-ai/ #ailaw #aijudge #legaltech

22.09.2025 11:52 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Concerning UT(IAC) no2: Hamid judgment on AI hallucinations UT Hamid judgment on AI Hallucinations in Ms (Bangladesh) v SSHD on AI hallucinations and false citations, with Ayinde v LB of Haringey considered.

Fabricated Citations 11th Incident in UK revisited in UT(IAC): Hamid Judgment on AI hallucinations in Ms (Bangladesh) v SSHD naturalandartificiallaw.com/hamid-judgme... #ailaw #legaltech #aihallucinations

18.09.2025 16:30 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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Weekly Update AI Hallucinations Sep1-Sep7 The first week of September 2025 is not looking good. There are already eight reported incidents of AI Hallucinations and/or fabricated citations.

naturalandartificiallaw.com/weekly-ai-ha... #ailaw #legaltech #aihallucinations #artificial intelligence

09.09.2025 07:43 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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False Citations/AI Hallucinations in UK courts (15): Kuzniar False Citations/AI Hallucinations in UK courts via Kuzniar v GDC: what happened, how costs were weighed, and why this matters for litigation.

naturalandartificiallaw.com/false-citati... #EmploymentTribunal #AIinLaw #LegalTech #AIlaw #AIHallucinations #LegalCosts

07.09.2025 12:31 β€” πŸ‘ 0    πŸ” 0    πŸ’¬ 0    πŸ“Œ 0
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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

naturalandartificiallaw.com/garcia-v-cha... #ChildProtection #AIlaw #ArtificialIntelligence

03.09.2025 15:26 β€” πŸ‘ 1    πŸ” 1    πŸ’¬ 0    πŸ“Œ 0