Dow Jones Copyright Lawsuit Against Perplexity AI Advances

Fact discovery concludes in a legal battle over alleged unauthorized scraping and fabrications.

Updated on Oct. 22, 2026 in Artificial Intelligence

Bold flat-color editorial illustration depicting a single stone plinth fractured by a jagged fissure, representing systemic tension in media law. — The copyright lawsuit filed by Dow Jones and the New York Post against Perplexity AI has moved to the expert discovery phase. AI Illustration. Upload story photo >

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Fact discovery has officially closed in the copyright and trademark lawsuit filed by Dow Jones and the New York Post against Perplexity AI. The case, which accuses the AI firm of fabricating details and misattributing content, is now moving toward expert discovery.

Why it matters

The legal conflict centers on allegations of mass scraping and false designation of origin, highlighting the ongoing tension between AI developers and traditional media publishers. The outcome may set significant precedents for how information platforms are permitted to use proprietary news content.

The lawsuit, identified as case 1:24-cv-07984, moves toward expert discovery following the closure of fact-finding on October 15, 2026. Both parties currently estimate a potential trial duration of 10 to 14 days.

The players

Dow Jones & Company

This publishing and financial information firm is the publisher of The Wall Street Journal and other prominent news outlets.

Perplexity AI

This artificial intelligence company provides an answer-focused search engine that is currently seeking massive new investment.

New York Post

This daily newspaper is a co-plaintiff in the copyright and trademark litigation against the AI platform.

Nvidia

This technology company is reportedly in talks to invest in Perplexity at a valuation that could exceed $30 billion.

The details

The complaint alleges that Perplexity's chatbot fabricates specific quotes and details that never appeared in the original source material. While this case moves forward in the Southern District of New York, Perplexity also faces separate litigation from other publishers including Tribune Publishing and Encyclopaedia Britannica.

October 21, 2024: Dow Jones and the New York Post filed the lawsuit.
Early 2025: Perplexity filed a motion challenging jurisdictional issues.
September 2025: Encyclopaedia Britannica and Merriam-Webster filed a similar lawsuit.
October 15, 2026: Fact discovery officially closed in the Dow Jones case.
January 19, 2027: Expert discovery is scheduled for completion.

The Tech Race

This dispute marks a critical test of whether the Copyright Act of 1976 covers the automated scraping and content synthesis performed by generative AI models. As AI platforms evolve, this case pits traditional intellectual property protections against the rapid technological development of automated search agents.

The resolution of this case could significantly impact how news consumers interact with AI-driven search tools by changing the accuracy and sourcing of AI-generated answers. Users may see shifts in the transparency or availability of such tools depending on the court's stance on data attribution.

The takeaway

This litigation serves as a reminder for users to verify information provided by AI tools against primary, human-authored sources. As legal battles unfold, the reliability of AI-generated content remains a point of significant scrutiny for both publishers and the public.