State highest court

Wyoming Supreme Court

The 40 most recent opinions analysed by CaseDiver, newest first. Opening a case goes straight to the full opinion reader.

Recent opinions

WyomingYzail Ashton Gauna v. the State of Wyoming

September 3, 20262026 WY 97

The Wyoming Supreme Court affirmed the district court's sentence, holding that presentence confinement credit is only owed for days the defendant was detained solely because of a financial inability to post bond, not for time served due to probation revocation, resulting in a credit of 64 days.

WyomingChet Elliot Walker v. the State of Wyoming

August 21, 20262026 WY 94

The court affirmed Walker’s convictions, holding that the district court properly excluded most evidence concerning his wife’s conduct because it lacked a sufficient connection to Walker’s intent and risked confusing the jury, while allowing adequate impeachment and defense evidence.

WyomingJames Neil Todd v. the State of Wyoming

August 18, 20262026 WY 92

The Wyoming Supreme Court affirmed Todd’s conviction for attempted sexual exploitation of a child, holding that the evidence supported a finding that he took a substantial step toward enticing the child to engage in masturbation, which is explicit sexual conduct under the statute.

WyomingBrian Swindler v. Leah Bright

August 11, 20262026 WY 90

The Wyoming Supreme Court affirmed the district court's award of primary physical custody to Mother after her relocation from Cody, Wyoming to Colorado. Although both parents were found fit and competent caregivers, the court held the district court acted within its discretion because Mother's unilateral move rendered…

WyomingWilliam L. Lopez v. Samantha Ritter

August 10, 20262026 WY 89

The Wyoming Supreme Court affirmed the district court's entry of default judgment against William Lopez in favor of Samantha Ritter following a 2015 car accident. The court held that Lopez waived his due process challenge to service at a known vacant address by failing to raise it below, but addressed the…

WyomingRene Irisrose Daniels v. the State of Wyoming

August 7, 20262026 WY 88

The Wyoming Supreme Court affirmed the denial of Rene Irisrose Daniels's W.R.A.P. 21 motion for a new trial, which alleged trial counsel was ineffective for failing to seek suppression of her statements to law enforcement, failing to object to a detective's interview questions about non-existent eyewitnesses, failing…

WyomingGuy Morrison III v. Tami Hinson-Morrison

August 6, 20262026 WY 87

The Wyoming Supreme Court affirmed a district court order holding Guy Morrison III in civil contempt for frustrating the parties' court-ordered filing of a joint 2021 federal tax return.

WyomingDavid Lee Smith v. the State of Wyoming

July 15, 20262026 WY 81

The court held that the district court violated a clear rule of law by determining the willfulness of probation violations during the adjudicatory phase rather than the dispositional phase.

The Wyoming Supreme Court affirmed the denial of both parties’ motions to enforce a purported global settlement agreement. It held that the parties lacked mutual assent on essential terms governing ditch access and the visual-storage restriction, leaving the agreement too indefinite to enforce.

WyomingJohn Robert Allen v. the State of Wyoming

July 7, 20262026 WY 72

The court held that Allen’s guilty plea did not waive his challenge to a pretrial order requiring him to liquidate personal property to maintain appointed counsel because the challenge did not concern his guilt, conviction, or plea voluntariness.

WyomingJoshua Michael Idler v. Ashley Nicole Idler

July 6, 20262026 WY 71

The Wyoming Supreme Court summarily affirmed the divorce decree because Father’s opening and reply briefs lacked cogent legal argument and pertinent authority. The Court therefore did not reach the merits of the custody, visitation, or marital-debt issues.

WyomingJeannie Cook

January 20, 20062006 Wyo. LEXIS 16

The Wyoming Supreme Court affirmed summary judgment for Shoshone First Bank on claims arising from the suicide of teller Christina Proefrock hours after the bank accused her of stealing $1,200 in missing funds.

The Wyoming Supreme Court reversed and remanded a divorce decree that split custody of the couple's six children along gender lines — the two girls to the mother and the four boys to the father — because the trial court offered no explanation for the arrangement and the record lacked evidence supporting it.