• Free Speech & Social Media
      • Privacy & Surveillance
      • Transparency & Democracy
    • Litigation
    • Research
    • Policy
      • Events
      • Reading Rooms
      • Blog
      • Video
      • Podcasts
      • The Knight Institute
      • Board
      • Staff
      • Visiting Scholars
      • Work With Us
      • Support Us
      • Contact
      • Press Room

Legal Filing

Defendant's Opening Brief

April 1, 2026

Amazon v. Perplexity AI

A case addressing the application of computer crime laws to AI tools that collect information on behalf of users

Filed Under

  • Amicus Brief

Tags

  • AI

Issues

Free Speech & Social Media

Free Speech & Social Media

Featured

AI as Normal Technology

An alternative to the vision of AI as a potential superintelligence

Privacy & Surveillance

Privacy & Surveillance

Featured

Appeals Court Revives Journalists’ Case Against Spyware Manufacturer NSO Group

Spyware manufacturers should be held accountable in U.S. courts for actions violating U.S. law, Knight Institute says

Transparency & Democracy

Transparency & Democracy

Featured

Trump Administration Concedes That U.S. Researchers May Engage With Sanctioned U.N. Official

Response is a victory for the right of Americans to speak with and hear from international experts about issues of global importance, Knight Institute says

Events

Can Middleware Save Social Media?

National Press Club and Online

Can Middleware Save Social Media?

      

Learn More

Sign up for news about First Amendment events, research, and litigation

  • Issues

    • Free Speech & Social Media
    • Privacy & Surveillance
    • Transparency & Democracy
  • Litigation
  • Research
  • Policy

  • Public Education

    • Events
    • Reading Rooms
    • Blog
    • Video
    • Podcasts
  • About
  • Press Room
  • Contact
  • Privacy Policy

© 2021 Knight First Amendment Institute. Design by Point Five. Development by Tierra Innovation. Icons by Leandro Castelao.

2020 Webby Award Winner for Law Website