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Another Day, Another AI Hallucination Case

By Tony Oncidi on July 8, 2026
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Quinteros v. Harbor Distrib., LLC, 2026 WL 1693424 (Cal. Ct. App. 2026)

Here we go again. The lawyers representing the plaintiffs in this putative wage and hour class action were responsible for “evident misuse of generative artificial intelligence (AI) in an otherwise meritless pleading.”  The trial court ordered the attorneys to pay $5,000 in sanctions to the opposing party and $1,000 in sanctions to the court pursuant to Cal. Code Civ. Proc. § 128.7 based on a brief they filed containing “non-existent citations, fabricated quotations, and seriously misrepresent[ed] controlling authority.” The Court of Appeal affirmed, holding that the procedural challenges to the order had been forfeited because they were not raised below in the trial court, and the substantive challenge (the “punishment does not fit the crime”) was meritless.  Compare Amezcua v. Superior Court, 120 Cal. App. 5th 116 (2026) (trial court erroneously ordered fee shifting from plaintiff to defendant pursuant to Cal. Code Civ. Proc. § 473(a) to penalize plaintiff’s delay in seeking to amend complaint).

Photo of Tony Oncidi Tony Oncidi

Anthony J. Oncidi heads the Labor & Employment Law Group in the Los Angeles office.

Tony represents employers and management in all aspects of labor relations and employment law, including litigation and preventive counseling, wage and hour matters, including class actions, wrongful termination…

Anthony J. Oncidi heads the Labor & Employment Law Group in the Los Angeles office.

Tony represents employers and management in all aspects of labor relations and employment law, including litigation and preventive counseling, wage and hour matters, including class actions, wrongful termination, employee discipline, Title VII and the California Fair Employment and Housing Act, executive employment contract disputes, sexual harassment training and investigations, workplace violence, drug testing and privacy issues, Sarbanes-Oxley claims and employee raiding and trade secret protection. A substantial portion of Tony’s practice involves the defense of employers in large class actions, employment discrimination, harassment and wrongful termination litigation in state and federal court as well as arbitration proceedings, including FINRA matters.

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  • Posted in:
    Employment & Labor
  • Blog:
    California Employment Law Update
  • Organization:
    Proskauer Rose LLP
  • Article: View Original Source

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