Incidents gathered from public reporting around the world. Each one links to the articles it came from. None of it is a finding that anyone broke the law.
Reports people file about their own experience are not shown here and never will be without their agreement. Tell us what happened to you.
68 incidents closest to “Westlaw Advantage” · matched on meaning · public reporting
Generated fake case citations used in a legal brief, misleading the court and opposing parties.
1 source article · read the reporting →
Chicago Tribune Company, LLC filed a lawsuit against Perplexity AI, Inc. in the Southern District of New York on December 4, 2025. The complaint alleges copyright infringement under 17 U.S.C. § 501. The case is assigned to Judge Loretta A. Preska.
5 source articles · read the reporting →
The AI tool generated fictitious case law citations that were included in a court filing, affecting the plaintiff and the court.
1 source article · read the reporting →
The AI generated fabricated legal citations in a court filing, misleading the court and opposing counsel.
1 source article · read the reporting →
The AI generated fabricated legal citations that the claimant submitted to the tribunal, resulting in a costs order against the claimant.
1 source article · read the reporting →
The system generated fabricated legal citations and quotes in a court filing, misleading the court and opposing counsel.
1 source article · read the reporting →
Perplexity, an AI search engine, was sued by Dow Jones, the publisher of the Wall Street Journal and New York Post, on October 21, 2024. The lawsuit alleges that Perplexity's AI reproduces copyrighted articles without permission. Perplexity denies the allegations and states it responded to outreach from News Corp before the lawsuit was filed.
10 source articles · read the reporting →
The lawyer submitted AI-generated court documents containing false citations and quotes, harming his client's discrimination case.
1 source article · read the reporting →
The AI generated fabricated case law that was submitted to the court, affecting the legal proceedings.
1 source article · read the reporting →
The AI generated fabricated legal citations that were submitted to the court, affecting the defendant and the judicial process.
1 source article · read the reporting →
The AI generated fake legal citations that were included in an appellate brief, misleading the court and the opposing party.
1 source article · read the reporting →
A class action lawsuit alleges that UDR, Inc. used RealPage's YieldStar algorithmic pricing software to set rental rates and occupancy levels for its San Diego properties, in violation of a local ordinance. The suit claims the software relied on nonpublic competitor data, contributing to inflated rents and making housing less affordable. The lawsuit, filed in July 2026, seeks to represent all affected tenants. UDR has previously acknowledged using YieldStar as one tool among others in its decision-making.
1 source article · read the reporting →
The AI generated fabricated legal citations that were presented to the court, affecting the defendants and the judicial process.
1 source article · read the reporting →
The AI system generated fictitious legal citations in a summary judgment motion, misleading the court and opposing counsel.
1 source article · read the reporting →
AI-generated fake court precedents were included in a legal appeal, leading to sanctions against the litigant for bad-faith litigation.
1 source article · read the reporting →
The Canadian Legal Information Institute (CanLII) has filed a lawsuit in British Columbia Supreme Court against Caseway AI, alleging that the company's AI chatbot scraped approximately 3.5 million records from CanLII's database in bulk, violating its terms of service and copyright. CanLII claims it adds value to public court records through hyperlinks and corrections, which it says constitute protected copyrighted work. Caseway AI argues the information is public and accessible elsewhere, and that it did not use CanLII's enhancements. The lawsuit was settled in March 2026, with terms undisclosed.
5 source articles · read the reporting →
AI generated fabricated case law citations that were included in a court filing, potentially misleading the court in Russell v. Mells.
1 source article · read the reporting →
The AI generated fabricated case law and quotes that were included in a court filing, affecting the plaintiffs and the judicial process.
1 source article · read the reporting →
AI-generated fake legal citations were included in a court filing, resulting in monetary sanctions against the attorney and his law firm.
1 source article · read the reporting →
The AI generated fake legal citations that were included in a court filing, misleading the court and opposing counsel.
1 source article · read the reporting →
The AI generated fictitious legal citations and quotes that were included in a court filing, misleading the court and opposing counsel.
1 source article · read the reporting →
AI generated hallucinated content in a court filing, affecting the legal process and the lawyers who filed it.
1 source article · read the reporting →
The AI-generated hallucinated citations in an expert report led to the exclusion of the expert and dismissal of the plaintiff's case.
1 source article · read the reporting →
The system generated fake legal citations that were included in a court filing, potentially misleading the court and prejudicing the client's case.
1 source article · read the reporting →
