Cisco Systems v. Doe I

Cisco Systems v. Doe I, No. 24-856 Argued on Apr 28 2026. For petitioners: Kannon K. Shanmugam, Washington, D. C.; and Curtis E. Gannon, Deputy Solicitor General, Department of Justice, Washington, D. C. (for United States, as amicus curiae.) For respondents: Paul L. Hoffman, Hermosa Beach, Cal. Question Presented: 1. Whether the Alien Tort Statute ("ATS"), 28 U.S.C. § 1350, allows a judicially-implied private right of action for aiding and abetting. 2. Whether, if ATS aiding-and-abetting claims are cognizable, mere knowledge rather than purpose suffices to show the requisite mens rea. 3. Whether the Torture Victim Protection Act, 28 U.S.C. § 1350 note, allows a judicially- implied private right of action for aiding and abetting. Oral Argument Links: SCOTUS Oral Argument Page Transcript PDF Docket Links: SCOTUS Docket Page Question Presented Petition for a Writ of Certiorari (White Br.) Brief in Opposition (Orange Br.) Reply Brief in Support of Petition (Tan Br.) Cert. Stage Brief of the United States (Green Br.) Petitioner's Brief on the Merits (Blue Br.) Merits Stage Brief of the United States (Green Br.) Respondent's Brief on the Merits (Red Br.) Petitioner's Reply Brief on the Merits (Yellow Br.) Chapters: (00:00:00) Case Call (00:00:06) ORAL ARGUMENT OF KANNON K. SHANMUGAM (00:37:14) ORAL ARGUMENT OF CURTIS E. GANNON (01:17:50) ORAL ARGUMENT OF PAUL L. HOFFMAN (01:53:58) REBUTTAL ARGUMENT OF KANNON K. SHANMUGAM Disclosure, Disclaimer, and Credits: Independent feed. NOT affiliated with the Supreme Court of the United States or any other entity. Audio files from and links to the Supreme Court of the United States' website. Image credit to Ian Hutchinson, https://unsplash.com/photos/U8WfiRpsQ7Y