Marion Parnell, Jr. v. Florida Department of Corrections
11th Cir. CA · Jul 10, 2026
- Jurisdiction
- federal
- Court
- 11th Cir. CA
- Record ID
- marion-parnell-jr-v-florida-department-of-corrections-2026-07-10
- Observed outcome
- The court granted the motion to strike the reply brief's defective portions, ordered the payment of attorney's fees to the appellee, and referred the attorney for disciplinary investigation.
- Known monetary consequence
- $0
Why this matter warrants attention
The court struck portions of the reply brief containing fabricated citations and quotes, ordered the appellant's counsel to pay the appellee's attorney's fees associated with the motion for sanctions, and referred the attorney to the Committee on Lawyer Qualifications and Conduct for disciplinary review.
The court reasoned that counsel failed to meet the required standards of legal knowledge, skill, and thoroughness. It found that regardless of whether AI was used or the citations were simply fabricated, counsel violated the duty of candor and the certification requirements of Fed. R. Civ. P. 11(b)(2) by submitting non-existent authorities.
This case illustrates the severe consequences for failing to verify AI-generated or otherwise fabricated legal research. It reinforces that counsel remains strictly liable for the accuracy of all filings, regardless of the tools used in drafting, and that courts will impose both financial and disciplinary sanctions for such failures.
Failure modes and consequences
- Fake Citations
- Fabricated Quotes
- Bar Referral
- Employment
- Appellate
- Monetary
- AI attribution
- Implied
- Recorded tool
- Generative artificial intelligence (unspecified)
- Known monetary consequence
- $0
- Procedural posture
- Appellate review of a district court's grant of summary judgment, coupled with a motion for sanctions under Federal Rule of Appellate Procedure 27 and the court's inherent authority.
Damien Charlotin case archive
Publisher document archive. The recorded document is hosted in the upstream publisher archive.
Open underlying sourceA recorded source link is not a substitute for checking the underlying order, filing, opinion, or disciplinary record.
What this record does—and does not—establish
The court suspected the use of generative AI.
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.
Latest evidence review: Primary Document Verified (high confidence).
Controls suggested by the public record
- Verify the existence, citation, court, and precedential status of every authority before filing.
- Compare every quoted passage and pincite directly with the underlying opinion or filing.
- Escalate unresolved verification failures before filing and preserve the responsible reviewer's signoff record.
- Apply the same source-checking controls to AI (implied, unspecified) output as to any other research input.