What was hallucinated

Fabricated: Case Law | Petition cites a non-existent Florida case as: Citigroup Global Mkts., Inc. v. Masek, 982 So. 2d 1231 (Fla. 4th DCA 2008); court found no such Florida decision and the citation does not support the argument. || Misrepresented: Case Law | The petition linked to Liberty Transportation, LLC v. Banyan Air Services, Inc., 982 So. 2d 1231 (Fla. 4th DCA 2008) for a proposition the case does not support; court found the cited authority irrelevant to the argument. || Misrepresented: Case Law | Notice quoted language attributed to Bistline v. Rogers to support certiorari arguments, but Bistline concerned punitive-damages pleading standards and is inapposite; the court found the citation misrepresents that case's holding.

Sanction teardown · CA Florida (4d), USA · 2026-05-27

Eclectic Synergy, LLC v. Seredin

What happened

In CA Florida (4d), USA, a filing relied on an unnamed/unconfirmed AI tool to help draft legal argument. The court identified the following problems with the citations in that filing:

Fabricated (Case Law)

Petition cites a non-existent Florida case as: Citigroup Global Mkts., Inc. v. Masek, 982 So. 2d 1231 (Fla. 4th DCA 2008); court found no such Florida decision and the citation does not support the argument.
Misrepresented (Case Law)

The petition linked to Liberty Transportation, LLC v. Banyan Air Services, Inc., 982 So. 2d 1231 (Fla. 4th DCA 2008) for a proposition the case does not support; court found the cited authority irrelevant to the argument.
Misrepresented (Case Law)

Notice quoted language attributed to Bistline v. Rogers to support certiorari arguments, but Bistline concerned punitive-damages pleading standards and is inapposite; the court found the citation misrepresents that case's holding.

Which AI tool

an unnamed/unconfirmed AI tool. 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

Order to Show Cause

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/2211/Eclectic_Synergy_LLC_v._Seredin.pdf, via Damien Charlotin's public AI Hallucination Cases Database (CC0).

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