| 11/19/2024 | Petition for a writ of certiorari filed. (Response due December 23, 2024) |
| 12/04/2024 | Waiver of right of respondent Illinois State Board of Elections, et al. to respond filed. |
| 12/11/2024 | DISTRIBUTED for Conference of 1/10/2025. |
| 12/23/2024 | Brief amici curiae of Restoring Integrity and Trust in Elections, et al. filed. (Distributed) |
| 12/23/2024 | Brief amici curiae of Members of Michigan Fair Elections Institute, et al. filed. (Distributed) |
| 12/23/2024 | Brief amicus curiae of Center for Election Confidence, Inc. filed. (Distributed) |
| 12/23/2024 | Brief amicus curiae of Public Interest Legal Foundation filed. (Distributed) |
| 12/23/2024 | Brief amici curiae of America's Future, et al. filed. (Distributed) |
| 01/02/2025 | Response Requested. (Due February 3, 2025) |
| 01/15/2025 | Motion to extend the time to file a response from February 3, 2025 to March 5, 2025, submitted to The Clerk. |
| 01/16/2025 | Motion to extend the time to file a response is granted and the time is extended to and including March 5, 2025. |
| 02/25/2025 | Motion to extend the time to file a response from March 5, 2025 to April 4, 2025, submitted to The Clerk. |
| 02/26/2025 | Motion to extend the time to file a response is granted and the time is further extended to and including April 4, 2025. |
| 03/28/2025 | Motion to extend the time to file a response from April 4, 2025 to April 14, 2025, submitted to The Clerk. |
| 03/31/2025 | Motion to extend the time to file a response is granted and the time is further extended to and including April 14, 2025. |
| 04/14/2025 | Brief of respondents Illinois State Board of Elections, et al. in opposition filed. |
| 04/25/2025 | Reply of petitioners Michael Bost, et al. filed. |
| 04/29/2025 | DISTRIBUTED for Conference of 5/15/2025. |
| 05/14/2025 | Rescheduled. |
| 05/19/2025 | DISTRIBUTED for Conference of 5/22/2025. |
| 05/27/2025 | DISTRIBUTED for Conference of 5/29/2025. |
| 06/02/2025 | Petition GRANTED. |
| 07/01/2025 | Motion for an extension of time within which to file the briefs on the merits filed. |
| 07/03/2025 | Motion to extend the time to file the briefs on the merits granted. The time to file the joint appendix and petitioners' brief on the merits is extended to and including July 22, 2025. The time to file respondents' brief on the merits is extended to and including August 26, 2025. |
| 07/21/2025 | Motion to dispense with printing the joint appendix filed by petitioners Michael Bost, et al. |
| 07/22/2025 | Brief of petitioners Michael Bost, et al. filed. |
| 07/28/2025 | Brief amici curiae of Phyllis Schlafly Eagles, et al. filed. |
| 07/29/2025 | Brief amicus curiae of American Center for Law and Justice filed. |
| 07/29/2025 | Brief amicus curiae of Republican National Committee filed. |
| 07/29/2025 | Brief amici curiae of America's Future, et al. filed. |
| 07/29/2025 | Brief amici curiae of West Virginia, et al. filed. |
| 07/29/2025 | Brief amici curiae of League of Women Voters, et al. filed. (Distributed). (September 29, 2025--Corrected PDF and booklet. (Distributed)). |
| 07/29/2025 | Brief amici curiae of Professor Michael T. Morley, et al. in support of neither party filed. |
| 07/29/2025 | Brief amicus curiae of Election Integrity Project California, Inc. filed. |
| 07/29/2025 | Brief amicus curiae of Honest Elections Project filed. |
| 07/29/2025 | Brief amicus curiae of Public Interest Legal Foundation filed. |
| 07/29/2025 | Brief amici curiae of National Republican Congressional Committee, et al. filed. |
| 07/29/2025 | Brief amicus curiae of United States filed. |
| 07/29/2025 | Brief amici curiae of Restoring Integrity and Trust in Elections, et al. filed. |
| 07/29/2025 | Brief amici curiae of Members of Michigan Fair Elections Institute, et al. filed. |
| 07/29/2025 | Brief amicus curiae of Center for Election Confidence filed. |
| 08/12/2025 | SET FOR ARGUMENT on Wednesday, October 8, 2025. |
| 08/13/2025 | Record requested from the United States Court of Appeals for the Seventh Circuit. |
| 08/18/2025 | Record received from the United States Court of Appeals for the Seventh Circuit. The record is electronic and is available on PACER. |
| 08/19/2025 | Motion of the Solicitor General for leave to participate in oral argument as amicus curiae and for divided argument filed. |
| 08/22/2025 | Record received electronically from the United States District Court for the Northern District of Illinois and available with the Clerk. |
| 08/26/2025 | Brief of respondents Illinois State Board of Elections, et al. filed. |
| 09/02/2025 | CIRCULATED |
| 09/02/2025 | Brief amicus curiae of Democratic Party of Illinois filed. (Distributed) |
| 09/02/2025 | Brief amici curiae of District of Columbia, et al. filed. (Distributed) |
| 09/02/2025 | Brief amici curiae of Bipartisan Former State Secretaries of State filed. (Distributed) |
| 09/05/2025 | Motion to dispense with printing the joint appendix filed by petitioners GRANTED. |
| 09/22/2025 | Motion of the Solicitor General for leave to participate in oral argument as amicus curiae and for divided argument GRANTED. |
| 09/25/2025 | Reply of petitioners Michael J. Bost, et al. filed. (Distributed) |
| 10/08/2025 | Argued. For petitioners: Paul D. Clement, Alexandria, Va.; and Michael Talent, Assistant to the Solicitor General, Department of Justice, Washington, D. C. (for United States, as amicus curiae.) For respondents: Jane E. Notz, Solicitor General, Chicago, Ill. |