Nielsen's Gracenote Sues OpenAI Over Alleged Unauthorized Metadata Scraping

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March 18, 2026

JoeLee

Nielsen

Gracenote, the leading metadata services provider under Nielsen, has officially filed a lawsuit against OpenAI in the U.S. District Court for the Southern District of New York. The suit alleges that OpenAI engaged in extensive, unauthorized scraping of Gracenote's proprietary media metadata database to train commercial AI products like ChatGPT, without permission or compensation.

Gracenote contends that OpenAI's conduct represents severe copyright infringement and poses a direct threat to the company's core business by effectively "replicating" its foundational assets. The company highlights that its database is the result of meticulous manual curation by hundreds of editors, containing rich program descriptions, video attributes, unique identifiers, and intricate relationship maps. Gracenote emphasizes that the infringement extends beyond simple text to include its patented "data correlation framework."

The legal complaint notes that when users ask ChatGPT to describe popular TV series like "Game of Thrones," the AI's responses are strikingly similar to the descriptions authored by Gracenote's editors. This suggests the relevant data was directly copied and integrated into the AI model.

Gracenote fears that if AI companies are permitted to freely scrape and redistribute this data, end customers—such as smart TV manufacturers—may cease purchasing licensed services in favor of AI-generated alternatives. This could destabilize the entire metadata market ecosystem. Gracenote stated it had made multiple attempts to contact OpenAI to discuss licensing agreements but was repeatedly declined or ignored, ultimately leaving litigation as its only recourse.

In response, an OpenAI spokesperson stated that the company's model training relies on "publicly available data" and operates in compliance with the "fair use" doctrine under existing copyright law.

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