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Illustration for William Trevor Case, Petitioner v. Montana

William Trevor Case, Petitioner v. Montana

The Court unanimously affirmed the Montana Supreme Court's decision in a 9-0 ruling authored by Justice Kagan. The case addressed state court jurisdiction and procedure.

Status
Decided
Appeal from
Supreme Court of Montana
Argued
Oct 15, 2025
Decision released
Jan 14, 2026
Vote split
9-0

Briefing

Structured case briefing unavailable

Use the timeline, sources, and primary materials below.

Timeline

Case Accepted
Arguments HeardOct 15, 2025
Decision ReleasedJan 14, 2026

Sources

Docket-grounded.

Refreshed Apr 28, 2026.

Coverage

William Trevor Case, Petitioner v. Montana (2026) - 24-624 | Supreme Court Case Tracker