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Chicago Tribune Company LLC v Perplexity AI Inc

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Case Information
Case name Chicago Tribune Company, LLC v. Perplexity AI, Inc.[1]
Court S.D.N.Y.[1]
Docket 1:25-cv-10094[1]
Filed December 4, 2025[1]
Judge(s) Loretta A. Preska[2]
Plaintiffs Chicago Tribune Company, LLC[1]
Defendants Perplexity AI, Inc.[1]
Case type Civil copyright proceeding[1]
Claims / issues Copyright infringement, trademark infringement and dilution[1]
Status April 17, 2026: Perplexity filed a consolidated memorandum supporting dismissal of the amended complaints. A later ruling has not been verified.[2]

Chicago Tribune Company, LLC v. Perplexity AI, Inc. is a separate action concerning alleged unauthorized use of online content by Perplexity and its services.[1]

Claims and procedural history

The publisher alleges that Perplexity copies its journalism and uses its marks in outputs, including allegedly fabricated content.[1]

The reviewed complaint requests judicial relief for the asserted violations. Its allegations do not establish liability.[1]

On April 17, 2026, Perplexity filed a consolidated memorandum seeking dismissal in the Tribune and Times actions. It challenges direct and secondary copyright theories and the Times plaintiffs’ trademark claims. These remain defense arguments in the reviewed filing.[2]

References