Summary
Chicago Tribune Company, LLC sued Perplexity AI, Inc., claiming the company used its copyrighted articles without permission to train generative AI products and generated outputs reproducing those works verbatim, along with trademark claims.[1][2][5] The suit alleges direct, contributory, and vicarious copyright infringement under 17 U.S.C. § 106, false designation of origin and dilution under 15 U.S.C. § 1125, and trademark infringement under 15 U.S.C. § 1114; it was filed December 4, 2025, in SDNY (1:25-cv-10094) before Judge Loretta A. Preska and asserts relatedness to contemporaneous suits by Dow Jones and Encyclopaedia Britannica.[1][2][5] The case is the 64th U.S. copyright lawsuit against an AI company and one of multiple publisher actions against Perplexity alleging reduced traffic
Case details
- Court
- SDNY
- Docket number
- 1:25-cv-10094
- Filed
- Dec 4, 2025
- Status
- Active
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