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.
By court
By disposition
Panel votes per year
How John R. Lopez IV's panel-seat count has shifted year by year. Overlaid with James P. Beene for comparison (drop the overlay).
- John R. Lopez IV
- James P. Beene
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).
- Ann A. Scott Timmer 283 shared 274 aligned 2 partial 7 split compare
- Clint Bolick 276 shared 264 aligned 1 partial 11 split compare
- James P. Beene 217 shared 217 aligned compare
- Robert M. Brutinel 208 shared 208 aligned compare
- William G. Montgomery 178 shared 175 aligned 1 partial 2 split compare
- Kathryn H. King 134 shared 134 aligned compare
- Andrew W. Gould 95 shared 95 aligned compare
- John Pelander 56 shared 56 aligned compare
- Scott Bales 53 shared 52 aligned 1 split compare
- Maria Elena Cruz 32 shared 32 aligned compare
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 |