PERPLEXITY EXPERT WITNESS TESTIMONY & AI TESTIFYING SERVICES

PERPLEXITY EXPERT WITNESS TESTIMONY & AI TESTIFYING SERVICES

A Perplexity expert witness consultant and trial testifying advisor who provide law firms and attorneys with testimony covers various types of legal cases and specific products or technologies. The solution is a rapidly growing AI-powered search and conversational engine that blends retrieval-augmented generation (RAG) with large language models. Your typical Perplexity expert witness consultant in the space would be proficient in either technical and applied aspects of the service.


5 Types of Cases a Perplexity Expert Witness Follows

1. Defamation or Misinformation Claims

  • Involves content retrieved or generated by Perplexity that spreads false or damaging information.

  • Analysis by Perplexity expert witness reviewers of whether the AI system cited credible sources or hallucinated data.

2. Copyright and Intellectual Property Infringement

  • Evaluation of how the service retrieves, presents, and rephrases information from third-party content.

  • Assessing as a leading Perplexity expert witness whether output violates fair use, plagiarism, or copyright norms.

3. Data Privacy and Compliance Investigations

  • Determining whether it improperly processed or stored personally identifiable information (PII).

  • Cases involving GDPR, CCPA, HIPAA, or unauthorized data scraping that Perplexity expert witnesses track.

4. AI Explainability and Transparency Disputes

  • Situations where regulatory bodies or litigants demand explanations of how Perplexity arrived at a result.

  • Assessing as from Perplexity expert witness leaders’ standpoint the transparency of model outputs, citations, and knowledge grounding.

5. Product Misuse and Platform Accountability

  • Cases where the service was used to generate or distribute harmful, misleading, or prohibited content.

  • Determining from your average Perplexity expert witness standpoint where responsibility lies—end user, platform, or model provider.


25 Perplexity Products, Tools, or Capabilities a Perplexity Expert Witness Reviewers

  1. Perplexity.ai core web app

  2. Pro Search (enhanced with GPT-4 or Claude)

  3. Copilot mode (interactive, research assistant feature)

  4. Real-time web search integration (Bing Search, Google Search APIs)

  5. Retrieval-Augmented Generation (RAG) infrastructure

  6. Model usage options (Claude, GPT-4, Mistral, Mixtral, etc.)

  7. Citation and source attribution mechanics

  8. Custom personas or assistant profiles

  9. Pro subscriptions (features, data access, and enterprise-tier differences)

  10. Browser extensions or plugins

  11. Mobile app capabilities

  12. User prompt and session logging

  13. Fact-checking and knowledge grounding features

  14. Content moderation systems

  15. API endpoints and developer usage

  16. Data caching and search history storage policies

  17. Use of third-party large language models

  18. Accuracy benchmarking and output hallucination metrics

  19. Content personalization and ranking algorithms

  20. Indexing behavior and scraped content handling

  21. Perplexity’s privacy policy, terms of service, and legal disclaimers

  22. Tool performance in regulated sectors (e.g., health, legal, finance)

  23. Content filtering and safe-search mechanisms

  24. Integration into corporate knowledge bases

  25. Perplexity’s compliance with AI and data regulations (EU AI Act, DMA, etc.)