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ARTICLE · 10 NOVEMBER 2025

Reddit v. Perplexity: Terms Of Access As The Next Front In AI Data Litigation

Caldwell Law
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When Reddit sued Anthropic in June, the company drew attention for omitting copyright claims altogether. Instead, it framed data scraping as an issue of how content is accessed rather than who owns it, grounding its argument in platform contracts and system-use theories.

United StatesTechnology
Jameson Pasek
Jameson Pasek
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When Reddit sued Anthropic in June, the company drew attention for omitting copyright claims altogether. Instead, it framed data scraping as an issue of how content is accessed rather than who owns it, grounding its argument in platform contracts and system-use theories.1 Reddit's new lawsuit against Perplexity continues that approach while adding allegations involving third-party data-collection intermediaries. Together, these cases illustrate how platforms are increasingly turning to contract law to regulate AI training and data use.2

The New Case at a Glance

Reddit has filed suit in federal court against Perplexity, an AI-powered search and answer engine, along with several data-collection partners. The complaint alleges that the defendants bypassed Reddit's rules and safeguards to obtain Reddit content at scale for commercial AI use without a license. Reddit seeks damages and an injunction blocking further use of its data. Perplexity denies the allegations

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