# Missouri Supreme Court Type: Company Source: Legal & RegTech Intelligence Brief — https://getlegalbrief.com/entity/missouri-supreme-court Canonical HTML page: https://getlegalbrief.com/entity/missouri-supreme-court ## Timeline - **2026-11**: Midterm election and referendum vote — Voters choose congressional districts and decide whether to keep or reject the new map. - **2026-09-14**: State's requested resolution deadline — Missouri asks the Court to resolve the case by this date, citing federal law on mailing overseas and military ballots. - **2026-09-08**: Ballot change deadline — Missouri law sets a Tuesday deadline to make changes to the November ballot, increasing pressure on the Supreme Court to act quickly. - **2026-09-07**: Plaintiffs' response deadline — The U.S. Supreme Court orders plaintiffs who sued over the map to respond by midday. - **2026-09-04**: Missouri appeals to U.S. Supreme Court — Attorney General Catherine Hanaway files an emergency application asking the Supreme Court to halt the state court decision immediately. - **2026-09-04**: Missouri files emergency appeal — Missouri Attorney General Catherine Hanaway asks the U.S. Supreme Court to reinstate the map and resolve the case by September 14. - **2026-09-03**: Missouri Supreme Court blocks new map — The Missouri Supreme Court unanimously rules the referendum petition was legal, sufficient, and timely, holding that the new districts never took effect and that the 2020-census map remains in force for the November 2026 general election. - **2026-09-03**: Missouri Supreme Court blocks new map — The state's highest court rules the referendum petition suspends the new districts, orders the previous map for the general election, and places the map on the November ballot. - **2026-09-03**: Missouri Supreme Court blocks map — The state's highest court rules that officials wrongly dismissed a referendum petition signed by more than 300,000 voters, blocking the map for the November midterm election. - **2026-08-04**: Petition rejected on primary Election Day — Secretary of State Denny Hoskins rejects referendum petitions, asserting the Missouri Constitution does not allow referendums on congressional redistricting. - **2026-08**: New districts used in August primaries; Hoskins rejects petition — The new congressional districts are used in the August primaries. Republican Secretary of State Denny Hoskins waits until primary election day to reject the referendum petition, arguing the referendum process cannot apply to congressional redistricting. - **2026-08**: Primary election uses new map — The new congressional map is used in Missouri's state primary election. - **2025-12**: Referendum petition filed — Opponents file a referendum petition with more than 300,000 signatures seeking to block the GOP-drawn congressional map passed by the Republican-led legislature. - **2025-12**: New congressional districts take effect — Missouri's new congressional map is adopted; the state supreme court later rules that a referendum petition suspends the new districts retroactive to this point. - **2025**: Missouri enacts new congressional map — Missouri enacts a new congressional map that includes an additional Republican seat. ## Recent coverage (3 stories) ### Missouri Map Fight: 300K Signatures, Sept. 14 SCOTUS Deadline 2026-09-05 23:47:49 · Sentiment: Neutral · Impact: 5/10 · Sources: 2 The U.S. Supreme Court weighs emergency relief over a Missouri congressional map after the state's high court sided with a 300,000-signature referendum bid, creating a September 14 ballot-admin deadline that could disrupt GOP midterm strategy. Full story: https://getlegalbrief.com/story/missouri-gop-map-supreme-court-300k-signature-sept14 ### 300K signatures force SCOTUS to weigh Missouri map before Nov. vote 2026-09-05 11:38:05 · Sentiment: Neutral · Impact: 5/10 · Sources: 2 Missouri's emergency Supreme Court application tests whether a state referendum can suspend a congressional map after a primary. The dispute centers on more than 300,000 signatures and a November ballot question on the map. Full story: https://getlegalbrief.com/story/missouri-scotus-congressional-redistricting-300k-signatures ### MO Supreme Court blocks GOP map after 300K+ signatures, orders vote 2026-09-04 02:11:05 · Sentiment: Neutral · Impact: 5/10 · Sources: 2 The Missouri Supreme Court unanimously held that a referendum petition with more than 300,000 signatures was valid, blocking a GOP-favorable congressional map and keeping the 2020-census districts in place for November 2026. The ruling resolves a state constitutional question over whether the referendum power reaches redistricting and sets up a likely U.S. Supreme Court appeal by Missouri's attorney general. Full story: https://getlegalbrief.com/story/missouri-supreme-court-blocks-gop-map-referendum --- This page is a machine-readable summary. Sentiment measures the directional read of each development for this entity, not the tone of the reporting; impact weights consequence, not syndication reach. See https://getlegalbrief.com/guides/methodology for the full editorial methodology.