State highest court

Arizona Supreme Court

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

Recent opinions

ArizonaAller v. State

August 24, 2026

The Arizona Supreme Court held that Ronan's 'particularized need' balancing framework—not a looser 'reasonable basis' standard—governs a former indicted defendant who lawfully possesses grand jury transcripts under A.R.S.

ArizonaArojojoye v. Allen

August 21, 2026

The Arizona Supreme Court held that the court of appeals misapplied A.R.S. § 12-2604 as construed in Baker because it identified the care or treatment at issue solely as the wound care Dr.

The court held that Arizona Rule of Criminal Procedure 19.4 did not require a successor judge assigned solely to sentencing to review the trial transcripts because no proceeding was interrupted and sentencing had not begun when the reassignment occurred.

ArizonaWilliams v. ades/lamont

August 18, 2026

The court held that Arizona law gives the Department standing to appear and defend an unemployment-benefits appeals-board decision in the court of appeals, subject to statutory and record-based limits on its arguments.

The court held that the clergy-penitent privilege applies only when the claimant establishes that the communication was a confidential acknowledgment or admission made to clergy for spiritual absolution, consolation, or guidance, along with the other statutory requirements.

ArizonaGelvin v. Hon. parker/gelvin

July 17, 2026

The Arizona Supreme Court clarified that attorney‑client privilege does not automatically extend to communications with a third party absent the client unless the third party’s presence is objectively necessary, and it reaffirmed that the party asserting privilege bears the burden of proof.

ArizonaMaywald v. Toyota

July 7, 2026

The court held that strict product liability requires separate proof that a product was defective, that the defect made it unreasonably dangerous, and that the defect proximately caused the injury.

ArizonaState Farm v. Balzan

July 6, 2026

The court held that multiple named insureds who jointly procure automobile insurance constitute “one insured” under the uninsured/underinsured motorist statute’s anti-stacking provision.

The opinion addresses challenges to the search of Goudeau’s home, consumptive DNA testing, joinder and severance, counsel, trial-management procedures, evidentiary rulings, identification testimony, the sufficiency of the evidence, and the especially cruel aggravator.

The Arizona Supreme Court affirmed Christopher Mathew Payne's convictions for two counts of first degree murder, three counts of child abuse, and two counts of concealing a dead body, along with the death sentences imposed for each murder, rejecting challenges to jury selection, venue, Miranda rulings, hearsay…

The Arizona Supreme Court affirmed Dann’s death sentences after his resentencing jury found the multiple-murder aggravator and rejected leniency. The court held that Dann validly waived counsel, the resentencing procedures and evidentiary rulings did not constitute reversible constitutional or discretionary error, and…

The Arizona Supreme Court affirmed Cory Morris's convictions for five first degree murders and his five death sentences. It held that independent evidence—drag marks, DNA matches, and the victims' belongings—established the corpus delicti of the Codman and Davis murders without proof of cause of death, that the jury…

ArizonaSusan Gipson v. Larry…

January 22, 2007214 Ariz. 141

The Arizona Supreme Court, sitting en banc, held that a person who improperly gives his prescription drugs to another owes a duty of care to third parties injured by their unauthorized use, grounding the duty in Arizona statutes that criminalize distributing prescription drugs to persons without valid prescriptions.

The Arizona Supreme Court held that Rule of Criminal Procedure 32.2.a(3) did not preclude Donna Bennett's claim that appellate counsel was ineffective for failing to challenge the sufficiency of the evidence of causation on her felony murder conviction, because her first post-conviction counsel could have raised the…

The Arizona Supreme Court affirmed Steven Ray Newell's convictions for first degree murder, sexual conduct with a minor, and kidnapping, and his death sentence for the 2001 abduction, sexual assault, and ligature-strangulation killing of eight-year-old Elizabeth Byrd.

The court held that asserting an all-or-nothing defense does not automatically forfeit a defendant's right to a lesser-included offense instruction. Because the record supported a rational finding that Wall intended to aid only a theft by ruse and did not establish the force or threat required for robbery, the trial…

The Arizona Supreme Court held that a Blakely claim not preserved by objection at trial must be reviewed for fundamental error rather than harmless error, placing on the defendant the burden of showing both that fundamental error occurred and that it caused prejudice.

The Arizona Supreme Court held that in a proceeding to terminate parental rights, the clear and convincing evidence standard of A.R.S. § 8-537.B applies only to the statutory grounds for termination, and the best interests of the child must be established by a preponderance of the evidence. Applying the Mathews v.

The Arizona Supreme Court, sitting en banc, rejected Robert Joe Moody's challenges to his 2001 retrial convictions for the 1993 murders of Michelle Malone and Patricia Magda, holding that double jeopardy did not bar retrial after his first convictions were reversed for deprivation of counsel, that the indictment need…

The Arizona Supreme Court affirmed James Edward Davolt II's convictions for two first degree murders, burglary, theft, arson, and theft of means of transportation, but remanded his death sentences because Arizona's automatic filing statute subjected him—a sixteen-year-old—to capital prosecution without any…

The Arizona Supreme Court affirmed Dann's felony murder convictions for all three victims, his premeditated murder conviction for Andrew Parks, and his burglary conviction and sentence, but reversed the premeditated murder convictions for Shelly Parks and Eddie Payan because a premeditation instruction and…

The court affirmed Jones's convictions and death sentences, rejecting challenges involving hearsay, alleged prosecutorial intimidation, jury death-qualification, prejudicial testimony, closing argument, venue, authentication of a police sketch, presence at a trial proceeding, and capital sentencing.

The Arizona Supreme Court reversed Alex Hughes's convictions for first degree murder and related felonies, holding that the cumulative effect of the prosecutor's misconduct—repeated groundless insinuations that defense counsel and expert witnesses fabricated an insanity defense, an improper comment on Hughes's failure…

The court affirmed Greene's convictions and sentences for first-degree murder, robbery, theft, and forgery, including the death sentence, but reversed the kidnapping conviction because the evidence did not establish knowing restraint beyond a reasonable doubt.