Vice Chief Justice Currently Seated

John R. Lopez IV

Arizona Supreme Court · Seated January 2017

Portrait of John R. Lopez IV
Education and employment

Justice John R. Lopez IV was appointed to the Arizona Supreme Court in November 2016 and took the bench in January 2017. Previously, he was Solicitor General for the State of Arizona in the Office of Attorney General. He worked in the U.S. Attorney's Office in Phoenix for over 12 years, including as Executive Assistant U.S. Attorney and Chief of the Financial Crimes and Public Integrity Section.

Judicial record

298 opinions where John R. Lopez IV sat on the panel, spanning 2017–2026.

50 Majority authored
248 Joined majority

By court

  • Ariz. 298

By disposition

  • Affirmed 115
  • Reversed 80
  • Mixed 38
  • Vacated 32
  • Remanded 10
  • Granted 1

Panel votes per year

How John R. Lopez IV's panel-seat count has shifted year by year. Add ?vs=<another-judge-slug> to the URL to overlay a second judge, or click compare next to any co-panelist below.

0 10 20 30 40 50 2017 2019 2021 2023 2025 2026 2017: 14 votes — John R. Lopez IV 2018: 26 votes — John R. Lopez IV 2019: 17 votes — John R. Lopez IV 2020: 40 votes — John R. Lopez IV 2021: 29 votes — John R. Lopez IV 2022: 42 votes — John R. Lopez IV 2023: 27 votes — John R. Lopez IV 2024: 34 votes — John R. Lopez IV 2025: 35 votes — John R. Lopez IV 2026: 34 votes — John R. Lopez IV
  • John R. Lopez IV

Most-frequent co-panelists

Judges who appeared on the same opinions. aligned = same bucket (both majority, both dissent); partial = concurred in result but wrote separately; split = the meaningful disagreement (majority vs dissent).

Recent opinions

15 most recent opinions where John R. Lopez IV sat on the panel.

Docket Court Filed Disposition Case
CV-25-0143-PR Ariz. 2026-10-28 Reversed in part and remanded BURKETT v. DRYJA
CV-25-0309-PR Ariz. 2026-10-28 Affirmed Macdonald v. Macdonald
CR-26-0026-PR Ariz. 2026-10-26 Vacated ROBBINS v. STATE OF ARIZONA
CV-26-0106-CQ Ariz. 2026-10-09 — BLUNT v. TOWN OF GILBERT
CV-25-0317-PR Ariz. 2026-09-24 Affirmed Joseph Terborg v. Town of Payson
CV-25-0020-PR Ariz. 2026-09-18 Reversed and remanded Abraham v. Arizona Board of Regents
CV-25-0028-PR Ariz. 2026-09-10 Reversed and remanded ACCURSIO v. TREE HOUSE
CV-25-0330-CQ Ariz. 2026-09-01 — Industrial Park Center v. Great Northern Insurance
CV-25-0173-PR Ariz. 2026-09-01 Affirmed In Re Term of Parental Rights as to M.P.
CV-25-0176-PR Ariz. 2026-08-24 Reversed and remanded Aller v. State
CV-25-0119-PR Ariz. 2026-08-21 Vacated and remanded AROJOJOYE v. ALLEN
CV-25-0157-PR Ariz. 2026-08-18 Vacated in part and remanded Williams v. ades/lamont
CR-25-0211-PR Ariz. 2026-08-18 Affirmed State of Arizona v. Diondra Sharrelle Howard
CR-25-0157-PR Ariz. 2026-08-12 Affirmed Mario Rodriguez-Ramirez v. State of Arizona
CV-25-0213-PR Ariz. 2026-07-30 Affirmed DOE v. THE CORPORATION