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Encyclopaedia Britannica, Inc. et al v. Perplexity AI, Inc.
Case Number:
1:25-cv-07546
Court:
Nature of Suit:
Judge:
Firms
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November 04, 2025
Perplexity Asks Judge To Toss User AI Output Claim
Artificial intelligence company Perplexity has urged a Manhattan federal judge to dismiss one of the claims in a copyright lawsuit brought by Encyclopaedia Britannica and Merriam-Webster alleging infringement stemming from AI outputs responding to user inquiries, contending that precedent dictates it could not be held liable for those outputs.
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September 10, 2025
Britannica, Merriam-Webster Sue Perplexity Over Content Use
Encyclopedia Britannica Inc. and Merriam-Webster Inc. on Wednesday sued Perplexity AI Inc. in New York federal court, alleging that the artificial intelligence-powered search engine startup was engaging in "massive copying" of their copyright-protected content and spitting out verbatim reproductions of their content without permission.