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Missouri v. United States

Pending petition

Docket No. Argument Opinion Vote Author Term
24-796 TBD TBD TBD TBD TBD

Issue: (1) Whether federal courts can second-guess a state"s "reason" for exercising 10th Amendment authority; (2) whether the federal Constitution prohibits states from exercising 10th Amendment authority when motivated by a concern that a federal statute is unconstitutional; and (3) whether a state official is a proper defendant under Ex parte Young simply because the official is regulated by a statute, or instead the official also needs to possess authority to enforce the challenged law.

SCOTUSblog Coverage

DateProceedings and Orders (key to color coding)
11/08/2024Application (24A476) to extend the time to file a petition for a writ of certiorari from November 24, 2024 to January 23, 2025, submitted to Justice Kavanaugh.
11/14/2024Application (24A476) granted by Justice Kavanaugh extending the time to file until January 23, 2025.
01/23/2025Petition for a writ of certiorari filed. (Response due February 26, 2025)
01/31/2025Motion to extend the time to file a response from February 26, 2025 to March 28, 2025, submitted to The Clerk.
02/03/2025Motion to extend the time to file a response is granted and the time is extended to and including March 28, 2025.
02/26/2025Brief amici curiae of Gun Owners of America, Inc., et al. filed.
02/26/2025Brief amici curiae of Montana, et al. filed.
03/27/2025Motion to extend the time to file a response from March 28, 2025 to April 11, 2025, submitted to The Clerk.
03/28/2025Motion to extend the time to file a response is granted and the time is further extended to and including April 11, 2025.
04/11/2025Motion to extend the time to file a response from April 11, 2025 to April 25, 2025, submitted to The Clerk.
04/14/2025Motion to extend the time to file a response is granted and the time is further extended to and including April 25, 2025.
04/24/2025Motion to extend the time to file a response from April 25, 2025 to May 26, 2025, submitted to The Clerk.
04/25/2025Motion to extend the time to file a response is granted and the time is extended to and including May 27, 2025 . See Rule 30.1.
05/19/2025Motion to extend the time to file a response from May 27, 2025 to June 10, 2025, submitted to The Clerk.
05/20/2025Motion to extend the time to file a response is granted and the time is further extended to and including June 10, 2025.
06/10/2025Brief of respondent United States in opposition filed.
06/25/2025DISTRIBUTED for Conference of 9/29/2025.
06/26/2025Reply of petitioners Missouri, et al. filed. (Distributed)
08/19/2025Motion to Withdraw Counsel of State of Missouri, et al. not accepted for filing. (September 08, 2025--submission not of the type that is to be efiled)