U.S. Supreme Court

Case Status

Docket Number


2022 Term


Questions Presented

1. Whether a defendant that provides generic, widely available services to all its numerous users and "regularly" works to detect and prevent terrorists from using those services "knowingly" provided substantial assistance under Section 2333 merely because it allegedly could have taken more "meaningful" or "aggressive" action to prevent such use.

2. Whether a defendant whose generic, widely available services were not used in connection with the specific "act of international terrorism" that injured the plaintiff may be liable for aiding and abetting under Section 2333.

Case Updates

U.S. Supreme Court holds that communications providers are not liable for aiding and abetting terrorism merely by failing to stop unidentified terrorists from using their services

May 18, 2023

Click here to view the opinion.

U.S. Chamber files coalition amicus brief

December 06, 2022

The coalition amicus brief urges the Court to enforce statutory limitations disallowing attenuated secondary-liability claims against businesses under the Anti-Terrorism Act. The U.S. Chamber previously filed a coalition amicus brief in the Ninth Circuit.

Case Documents