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https://www.productionai.institute/graph/events/evt-aiid-1298

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Production AI Institute public record · AI Incident Database: Perplexity AI Reportedly Accused in Federal Lawsuit of Purported Copyright Infringement and False Attribution of Chicago Tribune Content · observed 2026-03-15
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AI Incident Database: Perplexity AI Reportedly Accused in Federal Lawsuit of Purported Copyright Infringement and False Attribution of Chicago Tribune Content

The Chicago Tribune filed a federal lawsuit alleging that Perplexity AI unlawfully reproduced and paraphrased its copyrighted journalism in generative chatbot and search outputs. The complaint claims the AI system produced substitutive answers that bypassed links to the Tribune's website, diverted revenue, and at times hallucinated inaccurate information falsely attributed to the newspaper.

AI Incident Database · Incident 1298

Operator lens (high): inspect D2 (output validation), D3 (data handling), D6 (autonomy oversight).

Confidence
82%
Sources
3
Entities
4
Detected
detected 125d ago

Event summary

The Chicago Tribune filed a federal lawsuit alleging that Perplexity AI unlawfully reproduced and paraphrased its copyrighted journalism in generative chatbot and search outputs. The complaint claims the AI system produced substitutive answers that bypassed links to the Tribune's website, diverted revenue, and at times hallucinated inaccurate information falsely attributed to the newspaper.

D2D3D6

Linked entities

  • Perplexity

    vendor | 70%

  • chicago-tribune

    organisation | 70%

  • journalistic-integrity

    organisation | 70%

  • epistemic-integrity

    organisation | 70%

Related graph edges

EdgeTypeConfidence
ent-vendor-perplexity to ent-psf-d1maps to60%
ent-vendor-perplexity to ent-psf-d1maps to60%
ent-vendor-perplexity to ent-psf-d1maps to60%
ent-vendor-perplexity to ent-psf-d2maps to60%
ent-vendor-perplexity to ent-psf-d2maps to60%
ent-vendor-perplexity to ent-psf-d2maps to60%
ent-vendor-perplexity to ent-psf-d6maps to60%
ent-vendor-perplexity to ent-psf-d6maps to60%
ent-vendor-perplexity to ent-psf-d6maps to60%
ent-vendor-perplexity to ent-psf-d2maps to60%
ent-vendor-perplexity to ent-psf-d2maps to60%
ent-vendor-perplexity to ent-psf-d2maps to60%

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Event dates

  • Happened 4 Dec 2025

  • Detected 15 Mar 2026

Sources

  • AI Incident Database - Incident 1298

    secondary | checked 9 July 2026

    Open source
  • Chicago Tribune sues Perplexity AI for copyright infringement

    secondary | checked 12 Dec 2025

    Open source
  • Chicago Tribune sues Perplexity AI for copyright infringement

    secondary | checked 15 Mar 2026

    Open source
Cite this record

"AI Incident Database: Perplexity AI Reportedly Accused in Federal Lawsuit of Purported Copyright Infringement and False Attribution of Chicago Tribune Content." https://www.productionai.institute/graph/events/evt-aiid-1298 (observed 2025-12-04; retrieved 2026-07-18). PAI.

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