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Public trackerEvidence checked Jul 23, 2026 · Latest decision Jul 21, 2026Public incidents are risk signals, not usage-adjusted rates
Evidence-linked corpus record: this page is generated from the structured public record and has a publication-readiness score of 81/100. It passed the source, context, and standalone-summary checks used for public indexing; individual legal editorial review is not represented.
UB v Secretary of State for the Home Department
Upper Tribunal (Immigration and Asylum Chamber) · Jun 18, 2025
GBEditorial impact: lowfake citationsmisrepresented authorityimmigrationtrial
Direct answer
What happened in this matter?
Fabricated: Case Law | Draft Grounds contained references to a number of authorities that did not exist; the tribunal identified the non-existent authorities and raised concerns.
- Why the court cared
- The record concerns whether authorities presented to the decision-maker existed and could be verified. The tracked outcome is the response recorded in the linked source; the linked source controls the precise reasoning.
- Why it matters now
- UT flags both non-existent cases and real cases cited for wrong propositions — verify the holding, not just the cite.
Why this matter is tracked
Fabricated: Case Law | Draft Grounds contained references to a number of authorities that did not exist; the tribunal identified the non-existent authorities and raised concerns.
Operational lesson
UT flags both non-existent cases and real cases cited for wrong propositions — verify the holding, not just the cite.
Record details
CourtUpper Tribunal (Immigration and Asylum Chamber)
Jurisdictioninternational
CircuitNot recorded
DateJun 18, 2025
UN
AI toolUnidentified
Party typeLawyer
OutcomeSee source
Known amountNot recorded
Professional sanctionNo
Attribution boundary
What the record establishes about AI use
not established
The current record does not establish a specific AI tool. Do not infer AI use beyond the source.
Procedural posture
Procedural posture is not separately recorded in the current dataset.
Correction behavior
Correction behavior is not separately verified in the current record.
Tracked discrepancy record
2 citation, quotation, or authority issues are recorded in the source dataset.
- Fabricated: Case Law | Draft Grounds contained references to a number of authorities that did not exist; the tribunal identified the non-existent authorities and raised concerns.
- Misrepresented: Case Law | Draft Grounds cited existing authorities but relied on them for propositions of law they did not support; tribunal found they 'did not stand as authority for the propositions of law cited.'
Questions this record answers
- What happened in UB v Secretary of State for the Home Department?
- Fabricated: Case Law | Draft Grounds contained references to a number of authorities that did not exist; the tribunal identified the non-existent authorities and raised concerns.
- Why does UB v Secretary of State for the Home Department matter for legal AI risk?
- UT flags both non-existent cases and real cases cited for wrong propositions — verify the holding, not just the cite.
- What does the public record establish about UB v Secretary of State for the Home Department?
- The record summarizes the outcome described in the linked public source. The recorded document is hosted in the upstream publisher archive. This page is not a substitute for the complete docket, subsequent history, or jurisdiction-specific advice.
- Which source supports this UB v Secretary of State for the Home Department summary?
- The recorded source is Damien Charlotin case archive. It is classified as publisher document archive; review the linked material and subsequent docket history before relying on this summary.
Related matters
Related by court, jurisdiction, tool, or classified failure pattern. Similarity does not imply the same facts or outcome.