Compiled by Citation Safe (Digital Empire Holdings LLC) from the court’s published sanction order (decided September 3, 2026). Quotes and case details come from the order itself — check the primary source before relying on them.

Sanction teardown · C.D. California, USA · 2026-09-03

Falkenstein v. Niles

What happened

In C.D. California, 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:

False Quotes (Case Law)

The motion placed in quotation marks language attributing personal trademark-infringement liability to an individual who was the “moving, active conscious force behind the [defendant’s] infringement.” The Court stated that Yost does not contain that language and instead says an officer may be liable for torts he “authorizes or directs or in which he participates.”
Misrepresented (Case Law)

The motion attributed to Cumulus Media a successor-in-interest priority proposition that the Court could not locate in the cited pages, which principally address abandonment.
Misrepresented (Exhibits & Submissions)

The reply represented that Complaint paragraph 21 alleged that Niles engaged musicians for specific shows, selected the band name, and organized and controlled the enterprise. The Court found those allegations were not in paragraph 21 and noted that “engaged” did not appear there.
Misrepresented (Case Law)

The reply relied on the absence of partnership documents while citing Barr, although Barr states that “[f]ormalities of quasi-corporate organization are not required.”
False Quotes (Case Law)

The preliminary-injunction opposition attributed a quotation to Herb Reed Enterprises, Inc. v. Monroe Powell’s Platters, Inc.; the Court stated that the quoted language does not appear in the actual Ninth Circuit decision, identified as Herb Reed Enterprises, LLC v. Florida Entertainment Management, Inc.
False Quotes (Case Law)

The opposition quoted Oakland Tribune as stating that delay “undercuts any claim that the harm is immediate and irreparable,” but the Court found that language does not appear in the decision.

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/3039/Falkenstein_v._Niles_USA_3_September_2026.pdf, via Damien Charlotin's public AI Hallucination Cases Database (CC0).