Nikko D’Ambrosio v. Meta Platforms Inc.
7th Cir. CA · May 15, 2026
- Jurisdiction
- federal
- Court
- 7th Cir. CA
- Record ID
- nikko-d-ambrosio-v-meta-platforms-inc-2026-05-15
- Observed outcome
- The court affirmed the district court's dismissal of the claims and ordered the plaintiff and his attorneys to show cause why sanctions, including attorney fees and fines, should not be imposed.
- Known monetary consequence
- Not recorded
Why this matter warrants attention
The Seventh Circuit issued an order to show cause for sanctions against a plaintiff and his attorneys after they filed an appellate brief containing fictitious citations, fabricated quotations, and misrepresentations of law. The court emphasized that counsel is responsible for verifying all filings, regardless of whether generative AI tools were used in the drafting process.
The court reasoned that submitting fictitious quotations and citations constitutes a serious dereliction of an attorney's duty as an officer of the court. It held that misrepresenting holdings or citing nonexistent case law is a false statement to the court, and that this responsibility remains with counsel regardless of whether generative AI was used to generate the content.
This case highlights the judiciary's expectation that counsel must independently verify all legal research and citations. It serves as a warning that firms advertising AI integration remain strictly liable for the accuracy of their filings and the professional conduct of their attorneys.
Failure modes and consequences
- Fabricated_citations
- Fabricated_quotes
- Misrepresented_legal_authority
- Fake Citations
- Fabricated Quotes
- Misrepresented Authority
- AI attribution
- Implied
- Recorded tool
- AI (implied, unspecified)
- Known monetary consequence
- Not recorded
- Procedural posture
- Appellate review of a district court's grant of a motion to dismiss under Federal Rule of Civil Procedure 12(b)(6), resulting in an order to show cause regarding sanctions.
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 referenced the firm's public marketing regarding AI integration.
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.
- Confirm that each authority supports the stated proposition and has not been mischaracterized.
- Apply the same source-checking controls to AI (implied, unspecified) output as to any other research input.