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Geismayr v. The Owners, Strata Plan KAS 1970

Court
Civil Resolution Tribunal
Jurisdiction
Canada
Decided
2025-02-14
AI tool
Copilot
Outcome
Citations ignored
Monetary penalty
None reported

What was hallucinated

Fabricated: Case Law | Applicant cited a nonexistent case (one of nine AI-sourced items without legal citations); tribunal found it does not exist and is likely a Copilot hallucination. || Fabricated: Case Law | Applicant cited a nonexistent case (one of nine AI-sourced items without legal citations); tribunal found it does not exist and is likely a Copilot hallucination. || Fabricated: Case Law | Applicant cited a nonexistent case (one of nine AI-sourced items without legal citations); tribunal found it does not exist and is likely a Copilot hallucination. || Fabricated: Case Law | Applicant cited a nonexistent case (one of nine AI-sourced items without legal citations); tribunal found it does not exist and is likely a Copilot hallucination. || Fabricated: Case Law | Applicant cited a nonexistent case (one of nine AI-sourced items without legal citations); tribunal found it does not exist and is likely a Copilot hallucination. || Fabricated: Case Law | Applicant cited a nonexistent case (one of nine AI-sourced items without legal citations); tribunal found it does not exist and is likely a Copilot hallucination. || Fabricated: Case Law | Applicant cited a nonexistent case (one of nine AI-sourced items without legal citations); tribunal found it does not exist and is likely a Copilot hallucination. || Fabricated: Case Law | Applicant cited a nonexistent case (one of nine AI-sourced items without legal citations); tribunal found it does not exist and is likely a Copilot hallucination. || Fabricated: Case Law | Applicant cited a nonexistent case (one of nine AI-sourced items without legal citations); tribunal found it does not exist and is likely a Copilot hallucination. || Misrepresented: Case Law | Applicants misrepresented Jordison (2013) as supporting that strata cannot force removal of unauthorized alterations; tribunal noted the three 2013 Jordison decisions exist but none concern unauthorized alterations.

Sanction teardown · Civil Resolution Tribunal, Canada · 2025-02-14

Geismayr v. The Owners, Strata Plan KAS 1970

What happened

In Civil Resolution Tribunal, Canada, a filing relied on Copilot to help draft legal argument. The court identified the following problems with the citations in that filing:

  • Fabricated (Case Law)
    Applicant cited a nonexistent case (one of nine AI-sourced items without legal citations); tribunal found it does not exist and is likely a Copilot hallucination.
  • Fabricated (Case Law)
    Applicant cited a nonexistent case (one of nine AI-sourced items without legal citations); tribunal found it does not exist and is likely a Copilot hallucination.
  • Fabricated (Case Law)
    Applicant cited a nonexistent case (one of nine AI-sourced items without legal citations); tribunal found it does not exist and is likely a Copilot hallucination.
  • Fabricated (Case Law)
    Applicant cited a nonexistent case (one of nine AI-sourced items without legal citations); tribunal found it does not exist and is likely a Copilot hallucination.
  • Fabricated (Case Law)
    Applicant cited a nonexistent case (one of nine AI-sourced items without legal citations); tribunal found it does not exist and is likely a Copilot hallucination.
  • Fabricated (Case Law)
    Applicant cited a nonexistent case (one of nine AI-sourced items without legal citations); tribunal found it does not exist and is likely a Copilot hallucination.
  • Fabricated (Case Law)
    Applicant cited a nonexistent case (one of nine AI-sourced items without legal citations); tribunal found it does not exist and is likely a Copilot hallucination.
  • Fabricated (Case Law)
    Applicant cited a nonexistent case (one of nine AI-sourced items without legal citations); tribunal found it does not exist and is likely a Copilot hallucination.
  • Fabricated (Case Law)
    Applicant cited a nonexistent case (one of nine AI-sourced items without legal citations); tribunal found it does not exist and is likely a Copilot hallucination.
  • Misrepresented (Case Law)
    Applicants misrepresented Jordison (2013) as supporting that strata cannot force removal of unauthorized alterations; tribunal noted the three 2013 Jordison decisions exist but none concern unauthorized alterations.

Which AI tool

Copilot. Note: Charlotin's public database records tool attribution only where a court order, brief, or reporting on the matter states it explicitly; "unidentified" or "implied" means the record indicates AI use but does not name a specific product — we do not guess.

Outcome

Citations ignored

How Citation Safe would have caught this

Citation Safe runs three deterministic layers before a brief is filed: (1) does the citation exist against CourtListener's database of published opinions, (2) if quoted, does that exact language appear in the source, (3) does the cited case actually support the proposition it is cited for. Fabricated case citations fail Layer 1. Fabricated or misattributed quotations fail Layer 2 even when the underlying case is real. Misrepresented holdings — a real case cited for a proposition it does not support — are the target of Layer 3. None of these checks involve asking another language model whether the citation looks right; they are lookups and text-matches against the actual source, which is why a hallucinated citation has to survive a direct lookup against the authoritative source — not another model's opinion — to earn a VERIFIED stamp; our measured false-verify rate is published live at /quality.

Check a brief before you file it → · See our live false-verify rate

Source: https://www.damiencharlotin.com/documents/471/Geismayr_v_The_Owners_Strata_Plan_KAS_1970_CRT_Canada_14_February_2025.pdf, via Damien Charlotin's public AI Hallucination Cases Database (CC0).

Source: https://www.damiencharlotin.com/documents/471/Geismayr_v_The_Owners_Strata_Plan_KAS_1970_CRT_Canada_14_February_2025.pdf

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