TRANSCRIPT 2196052 of oral argument (For Internal Use Only: Transcript is only available to court staff). [26-1049, 26-1162] · docket only

CLERK'S ORDER [2194986] filed withholding issuance of the mandate. [26-1049, 26-1162] [Entered: 09/25/2026 10:53 AM] · 1 pp · PDF

OPINION [2194984] filed (Pages: 43) for the Court by Judge Katsas, DISSENTING OPINION (Pages: 8) by Judge Henderson. [26-1049, 26-1162] [Entered: 09/25/2026 10:51 AM] · 51 pp · PDF

OPINION 2194984 filed (Pages: 43) for the Court by Judge Katsas, DISSENTING OPINION (Pages: 8) by Judge Henderson. [26-1049, 26-1162] · docket only

PER CURIAM JUDGMENT [2194982] filed that the petitions for review be denied, for the reasons in the accompanying opinion . Before Judges: Henderson, Katsas and Rao. [26-1049, 26-1162] [Entered: 09/25/2026 10:46 AM] · 1 pp · PDF

RESPONSE [2191274] to letter Rule 28j authorities [2190510-2], letter [2190510-3] filed by Peter B. Hegseth and United States Department of War in 26-1049, 26-1162 [Service Date: 09/03/2026 by CM/ECF NDA] Length Certification: 345 words. [… · 2 pp · PDF

LETTER [2190510] pursuant to FRAP 28j advising of additional authorities filed by Anthropic PBC in 26-1049, 26-1162 [Service Date: 08/28/2026 ] [26-1049, 26-1162] (Dunbar, Kelly) · 69 pp · PDF

RESPONSE [2190087] to letter [2189046-2], letter [2189046-3] filed by Peter B. Hegseth and United States Department of War in 26-1049, 26-1162 [Service Date: 08/26/2026 by CM/ECF NDA] Length Certification: 295 words. [26-1049, 26-1162] (Ja… · 2 pp · PDF

LETTER [2189046] pursuant to FRAP 28j advising of additional authorities filed by Anthropic PBC in 26-1049, 26-1162 [Service Date: 08/19/2026 ] [26-1049, 26-1162] (Dunbar, Kelly) [Entered: 08/19/2026 05:42 PM] · 2 pp · PDF

PETITIONER SUPPLEMENTAL REPLY BRIEF [2186378] filed by Anthropic PBC in 26-1049, 26-1162 [Service Date: 08/03/2026 ] Length of Brief: 998 Words. [26-1049, 26-1162] (Dunbar, Kelly) [Entered: 08/03/2026 04:50 PM] · 12 pp · PDF

RESPONDENT SUPPLEMENTAL BRIEF [2185129] filed by Peter B. Hegseth and United States Department of War in 26-1049, 26-1162 [Service Date: 07/24/2026 ] Length of Brief: 2483 words. [26-1049, 26-1162] (Janda, Sean) · 20 pp · PDF

PETITIONER SUPPLEMENTAL BRIEF [2181876] filed by Anthropic PBC in 26-1049, 26-1162 [Service Date: 07/06/2026 ] Length of Brief: 2,478 words. [26-1049, 26-1162] (Dunbar, Kelly) · 20 pp · PDF

PER CURIAM ORDER [2180359] filed granting petitioner's consent motion to consolidate [2179623-2] [2179624-2] in 26-1162 (Consolidation started 06/24/2026) with 26-1049, setting supplemental briefing schedule: PETITIONER Supplemental Brief… · 2 pp · PDF

CONSENT MOTION [2179623] to consolidate cases filed by Anthropic PBC (Service Date: 06/18/2026 by CM/ECF NDA) Length Certification: 646 Words. [26-1049] (Dunbar, Kelly) [Entered: 06/18/2026 10:36 PM] · 7 pp · PDF

PER CURIAM ORDER [2177388] filed denying motion of Human Flag Association for leave to file a brief amicus curiae out of time [2176974-2] The Clerk is directed to note the docket accordingly. Before Judges: Henderson, Katsas and Rao. [26-1… · 1 pp · PDF

LETTER [2176887] Regarding Petitioner's Receipt of the Government's Decision Regarding Reconsideration of Determination filed by Anthropic PBC [Service Date: 06/04/2026 ] [26-1049] (Dunbar, Kelly) [Entered: 06/04/2026 06:01 PM] · 2 pp · PDF

RESPONDENT SUPPLEMENTAL BRIEF [2176767] filed by Peter B. Hegseth and United States Department of War [Service Date: 06/04/2026 ] Length of Brief: 2316 words. [26-1049] (Springer, Brian) [Entered: 06/04/2026 12:44 PM] · 22 pp · PDF

PETITIONER SUPPLEMENTAL BRIEF [2176752] filed by Anthropic PBC [Service Date: 06/04/2026 ] Length of Brief: 2,499 Words. [26-1049] (Dunbar, Kelly) [Entered: 06/04/2026 12:22 PM] · 19 pp · PDF

AMICUS BRIEF [2176978] lodged by Human Flag Association [Service Date: 06/05/2026 ] Length of Brief: 12 Pages. [26-1049] [Entered: 06/05/2026 10:38 AM] · 13 pp · PDF

AMICUS BRIEF 2176978 lodged by Human Flag Association [Service Date: 06/05/2026 ] Length of Brief: 12 Pages. [26-1049] [Entered: 06/05/2026 10:38 AM] · docket only

[LEAVE TO FILE DENIED BY ORDER FILED 6/8/26]--AMICUS BRIEF 2176978 lodged by Human Flag Association [Service Date: 06/05/2026 ] Length of Brief: 12 Pages. [26-1049] [Entered: 06/05/2026 10:38 AM] · docket only

MOTION [2176974] to participate as amicus curiae [Disclosure Listing: Not Attached] lodged by Human Flag Association [Service Date: 06/05/2026 ] [26-1049][Edited 06/05/2026 by EBL--MODIFIED EVENT FROM FILED TO LODGED] [Entered: 06/05/2026… · 3 pp · PDF

PER CURIAM ORDER [2174795] filed granting joint motionfor extension of time [2174576-2]. The parties' supplemental briefs are now due by 4:00 p.m. on 06/04/2026. Before Judges: Henderson, Katsas and Rao. [26-1049] [Entered: 05/22/2026 06:0… · 1 pp · PDF

JOINT UNOPPOSED MOTION [2174576] to extend time to file brief to 06/04/2026 filed by Peter B. Hegseth, United States Department of War and Anthropic PBC [Service Date: 05/21/2026 ] Length Certification: 357 words. [26-1049] (Janda, Sean) [… · 5 pp · PDF

PER CURIAM ORDER [2174506] filed on the court’s own motion, that the parties file supplemental briefs (see order for details). The supplemental briefs, not to exceed 2,500 words, are due by 4:00 p.m. on May 28, 2026. In addition to filing… · 1 pp · PDF

ORAL ARGUMENT HELD before Judges Henderson, Katsas and Rao. [26-1049] [Entered: 05/19/2026 03:41 PM] · 1 pp · PDF

PETITIONER REPLY BRIEF [2173124] filed by Anthropic PBC [Service Date: 05/13/2026 ] Length of Brief: 6,465 words. [26-1049] (Dunbar, Kelly) [Entered: 05/13/2026 01:39 PM] · 39 pp · PDF

NOTICE [2172982] to withdraw attorney Alexander A. Berengaut who represented Former Service Secretaries and Retired Senior Military Officers in 26-1049 filed by Former Service Secretaries and Retired Senior Military Officers [Service Date:… · 3 pp · PDF

LETTER [2172918] Update statements in response brief and declaration filed by Peter B. Hegseth and United States Department of War [Service Date: 05/12/2026 ] [26-1049] (Swingle, Sharon) [Entered: 05/12/2026 11:24 AM] · 7 pp · PDF

FORM 72 submitted by arguing attorney, Sharon Swingle, on behalf of Respondents Peter B. Hegseth and United States Department of War (For Internal Use Only: Form is restricted to protect counsel's personal contact information). [26-1049] (… · docket only

FORM 72 submitted by arguing attorney, Kelly P. Dunbar, on behalf of Petitioner Anthropic PBC (For Internal Use Only: Form is restricted to protect counsel's personal contact information). [26-1049] (Dunbar, Kelly) [Entered: 05/08/2026 09:… · docket only

FORM 72 submitted by arguing attorney, Sharon Swingle, on behalf of Respondents Peter B. Hegseth and United States Department of War (For Internal Use Only: Form is restricted to protect counsel's personal contact information). [26-1049] (… · docket only

RESPONDENT BRIEF [2172140] filed by Peter B. Hegseth and United States Department of War [Service Date: 05/06/2026 ] Length of Brief: 12,966 words. [26-1049] (Janda, Sean) [Entered: 05/06/2026 08:54 PM] · 83 pp · PDF

NOTICE [2172136] to withdraw attorney Sopen B. Shah who represented Cato Institute, Chamber of Progress, Electronic Frontier Foundation, First Amendment Lawyers Association and Foundation for Individual Rights and Expression in 26-1049 fil… · 2 pp · PDF

PER CURIAM ORDER [2172079] filed allocating oral argument time as follows: Petitioner - 15 Minutes, Respondents - 15 Minutes. One counsel per side to argue; directing party to file Form 72 notice of arguing attorney by 05/08/2026 [26-1049]… · 1 pp · PDF

CORRECTED AMICUS FOR PETITIONER BRIEF [2170925] filed by Freedom Economy Business Association, Candide Group, Howard Fischer, Thomas Haslett, Humanize Wealth, Institute for Progress, Investor Advocates for Social Justice, Mission Driven Fi… · 28 pp · PDF

CORRECTED AMICUS FOR PETITIONER BRIEF [2170651] filed by Former Service Secretaries [Service Date: 04/27/2026 ] Length of Brief: 3,765 Words. [26-1049] (Harrington, Sarah) [Entered: 04/27/2026 05:57 PM] · 34 pp · PDF

CERTIFIED INDEX TO RECORD [2170179] filed by Peter B. Hegseth and United States Department of War [Service Date: 04/23/2026 ] [26-1049] (Janda, Sean) [Entered: 04/23/2026 06:00 PM] · 5 pp · PDF

AMICUS FOR RESPONDENT BRIEF [2170051] filed by JOEL THAYER, SENIOR FELLOW AT THE AMERICA FIRST POLICY INSTITUTE [Service Date: 04/23/2026 ] Length of Brief: 3,157 words. [26-1049] (Thayer, Joel) [Entered: 04/23/2026 01:04 PM] · 23 pp · PDF

CONSENT AMICUS FOR PETITIONER BRIEF [2169974] filed by Alan Z. Rozenshtein [Service Date: 04/22/2026 ] Length of Brief: 4,386 words. [26-1049] (Theodore, Elisabeth) [Entered: 04/22/2026 09:27 PM] · 35 pp · PDF

CONSENT AMICUS FOR PETITIONER BRIEF [2169972] filed by TechNet, Software & Information Industry Association, Computer & Communications Industry Association and Information Technology Industry Council [Service Date: 04/22/2026 ] Length of B… · 46 pp · PDF

CONSENT AMICUS FOR PETITIONER BRIEF [2169969] filed by Faith Family Technology Network [Service Date: 04/22/2026 ] Length of Brief: 3530 Words.. [26-1049] (Kilaru, Rakesh) [Entered: 04/22/2026 08:45 PM] · 27 pp · PDF

NOTICE [2169968] of intention to participate as amicus curiae [Disclosure Listing: Attached] filed by TechNet, Software & Information Industry Association, Computer & Communications Industry Association, Information Technology Industry Cou… · 5 pp · PDF

CONSENT AMICUS FOR PETITIONER BRIEF [2169965] filed by Foundation for Individual Rights and Expression, Cato Institute, First Amendment Lawyers Association, Electronic Frontier Foundation and Chamber of Progress [Service Date: 04/22/2026 ]… · 39 pp · PDF

AMICUS FOR PETITIONER BRIEF [2169958] filed by 149 Former Judges and Democracy Defenders Fund [Service Date: 04/22/2026 ] Length of Brief: 5592. [26-1049] (Costa, Gregg) [Entered: 04/22/2026 07:47 PM] · 49 pp · PDF

APPENDIX [2169955] filed by Anthropic PBC [Volumes: 4] [Service Date: 04/22/2026 ] [26-1049] (Dunbar, Kelly) [Entered: 04/22/2026 07:11 PM] · 70 pp · PDF

CONSENT AMICUS FOR PETITIONER BRIEF [2169951] filed by Leon Panetta and the Institute for Security and Technology [Service Date: 04/22/2026 ] Length of Brief: 34 Pages. [26-1049] (Klapper, Matthew) [Entered: 04/22/2026 06:47 PM] · 34 pp · PDF

PETITIONER BRIEF [2169950] filed by Anthropic PBC [Service Date: 04/22/2026 ] Length of Brief: 12,890 words. [26-1049] (Dunbar, Kelly) [Entered: 04/22/2026 06:45 PM] · 96 pp · PDF

AMICUS FOR PETITIONER BRIEF [2169949] filed by ACT | The App Association [Service Date: 04/22/2026 ] Length of Brief: This brief complies with Fed. R. App. P. 29(a)(5) and 32(f) because it con-tains 2103 words, excluding the parts of the b… · 19 pp · PDF