HomeCasesNydia Rosario v. Liberty Mutual Personal Insurance Company

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Corpus matter record

Nydia Rosario v. Liberty Mutual Personal Insurance Company

E.D. Pennsylvania · Feb 13, 2026

PA / federalEditorial impact: lowfabricated quotesmisrepresented authoritypublished opinioncontract

Direct answer

What happened in this matter?

Misrepresented: Case Law | Counsel quoted Kiessling v. State Farm, citing language said to be from Santiago v. Warminster Twp.; court found the quoted language does not exist in Santiago and the attribution/misquote is inaccurate. Outcome: Obligation to share decision with firm.

Why the court cared: Misrepresented: Case Law | Counsel quoted Kiessling v. State Farm, citing language said to be from Santiago v. Warminster Twp.; court found the quoted language does not exist in Santiago and the attribution/misquote is inaccurate. || Misrepresented: Case Law | Incorrect reporter volume number for a Third Circuit unpublished opinion: counsel cited '56 F. App'x 133' instead of the correct '506 F. App'x 133' for Smith v. State Farm Auto. Ins. Co. || Misrepresented: Case Law | Incorrect pincite and mixed database locators for Jones v. Allstate: counsel cited '2017 U.S. Dist. LEXIS 93673, at *2-3' and then 'Id. at *2-3' though the quoted language appears at *5 in the LEXIS entry and at *2-3 in the 2017 WL entry; miscitation noted. || Misrepresented: Case Law | Repeated omission of pincites/electronic report numbers and reproduction of language without quotation marks for cases (e.g., Zaloga, Hoffer, Stepanovich, Schwendinger-Roy, Wagner); court flagged these as inaccurate citation practices. || Misrepresented: Case Law | Apparent copying of miscitations and inaccurate quotations from prior filings in other matters (similar miscitations found in earlier Liberty Mutual filings in Tsirikis-Brown, Blazejewski, Giraldo); court noted potential copying across briefs.
Why it matters now: Copy-pasting citations across matters spreads hallucinations firm-wide; re-verify every carried-forward cite before filing.

Why this matter is tracked

Operational lesson

Copy-pasting citations across matters spreads hallucinations firm-wide; re-verify every carried-forward cite before filing.

Record details

PennsylvaniaSingle-state evidence scope

Jurisdiction contextThe state marker is derived from the structured case record.

CourtE.D. Pennsylvania

Jurisdictionfederal

Circuit3rd Circuit

DateFeb 13, 2026

AI toolAI (implied, unspecified)

Party typeLawyer

OutcomeObligation to share decision with firm

Known amountNot recorded

Professional sanctionNo

Attribution boundary

What the record establishes about AI use

reported

AI (implied, unspecified) is recorded in the source dataset; confirm the basis in the linked document.

Procedural posture

Obligation to share decision with firm

Correction behavior

Correction behavior is not separately verified in the current record.

Tracked discrepancy record

5 citation, quotation, or authority issues are recorded in the source dataset.

Misrepresented: Case Law | Counsel quoted Kiessling v. State Farm, citing language said to be from Santiago v. Warminster Twp.; court found the quoted language does not exist in Santiago and the attribution/misquote is inaccurate.
Misrepresented: Case Law | Incorrect reporter volume number for a Third Circuit unpublished opinion: counsel cited '56 F. App'x 133' instead of the correct '506 F. App'x 133' for Smith v. State Farm Auto. Ins. Co.
Misrepresented: Case Law | Incorrect pincite and mixed database locators for Jones v. Allstate: counsel cited '2017 U.S. Dist. LEXIS 93673, at *2-3' and then 'Id. at *2-3' though the quoted language appears at *5 in the LEXIS entry and at *2-3 in the 2017 WL entry; miscitation noted.
Misrepresented: Case Law | Repeated omission of pincites/electronic report numbers and reproduction of language without quotation marks for cases (e.g., Zaloga, Hoffer, Stepanovich, Schwendinger-Roy, Wagner); court flagged these as inaccurate citation practices.
Misrepresented: Case Law | Apparent copying of miscitations and inaccurate quotations from prior filings in other matters (similar miscitations found in earlier Liberty Mutual filings in Tsirikis-Brown, Blazejewski, Giraldo); court noted potential copying across briefs.

Questions this record answers

What happened in Nydia Rosario v. Liberty Mutual Personal Insurance Company?: Misrepresented: Case Law | Counsel quoted Kiessling v. State Farm, citing language said to be from Santiago v. Warminster Twp.; court found the quoted language does not exist in Santiago and the attribution/misquote is inaccurate. Outcome: Obligation to share decision with firm.
Why does Nydia Rosario v. Liberty Mutual Personal Insurance Company matter for legal AI risk?: Copy-pasting citations across matters spreads hallucinations firm-wide; re-verify every carried-forward cite before filing.
What does the public record establish about Nydia Rosario v. Liberty Mutual Personal Insurance Company?: Retained unchanged after audit: the existing summary is source-specific, non-placeholder, and supported by the recorded source link. Read the underlying source before relying on it for legal advice or a filing.
Which source supports this Nydia Rosario v. Liberty Mutual Personal Insurance Company summary?: The recorded source is Damien Charlotin case archive. It is classified as publisher document archive; review the linked material and subsequent docket history before relying on this summary.

Related matters

Related by court, jurisdiction, tool, or classified failure pattern. Similarity does not imply the same facts or outcome.

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Linked evidence record

Damien Charlotin case archive

Publisher document archive
The recorded document is hosted in the upstream publisher archive.

Open recorded source

Publication statusevidence baseline passed

Published by AI Vortex · Manu Ayala
Page updated Jul 27, 2026

Source host classified Attribution boundary stated Limitations disclosed

Corpus checked Jul 23, 2026; latest tracked decision Jul 21, 2026. AI Vortex summarizes public records and does not replace the court document or legal research service.

Use this record

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Evidence boundary

Retained unchanged after audit: the existing summary is source-specific, non-placeholder, and supported by the recorded source link. Read the underlying source before relying on it for legal advice or a filing.

Read methodology

Why this matter is tracked

Operational lesson

Copy-pasting citations across matters spreads hallucinations firm-wide; re-verify every carried-forward cite before filing.

Record details

PennsylvaniaSingle-state evidence scope

Jurisdiction contextThe state marker is derived from the structured case record.

CourtE.D. Pennsylvania

Jurisdictionfederal

Circuit3rd Circuit

DateFeb 13, 2026

AI toolAI (implied, unspecified)

Party typeLawyer

OutcomeObligation to share decision with firm

Known amountNot recorded

Professional sanctionNo

Tracked discrepancy record

5 citation, quotation, or authority issues are recorded in the source dataset.

Misrepresented: Case Law | Incorrect reporter volume number for a Third Circuit unpublished opinion: counsel cited '56 F. App'x 133' instead of the correct '506 F. App'x 133' for Smith v. State Farm Auto. Ins. Co.

Misrepresented: Case Law | Incorrect pincite and mixed database locators for Jones v. Allstate: counsel cited '2017 U.S. Dist. LEXIS 93673, at *2-3' and then 'Id. at *2-3' though the quoted language appears at *5 in the LEXIS entry and at *2-3 in the 2017 WL entry; miscitation noted.

Misrepresented: Case Law | Repeated omission of pincites/electronic report numbers and reproduction of language without quotation marks for cases (e.g., Zaloga, Hoffer, Stepanovich, Schwendinger-Roy, Wagner); court flagged these as inaccurate citation practices.

Misrepresented: Case Law | Apparent copying of miscitations and inaccurate quotations from prior filings in other matters (similar miscitations found in earlier Liberty Mutual filings in Tsirikis-Brown, Blazejewski, Giraldo); court noted potential copying across briefs.

Questions this record answers

What happened in Nydia Rosario v. Liberty Mutual Personal Insurance Company?

Why does Nydia Rosario v. Liberty Mutual Personal Insurance Company matter for legal AI risk?

Copy-pasting citations across matters spreads hallucinations firm-wide; re-verify every carried-forward cite before filing.

What does the public record establish about Nydia Rosario v. Liberty Mutual Personal Insurance Company?

Which source supports this Nydia Rosario v. Liberty Mutual Personal Insurance Company summary?

The recorded source is Damien Charlotin case archive. It is classified as publisher document archive; review the linked material and subsequent docket history before relying on this summary.