gno.law

James A. Mangione

Judge · Superior Court of San Diego County · 2021–2026

Judge, Superior Court of California, County of San Diego 2015–

A--
80% — 40 of 50 rulings upheld, per qwen3.8-27b; in the top 16% of 312 graded judges

On the assumption that the model is right — qwen3.8-27b reads the court's own disposition right 70% of the time, graded on a curve: A is the top fifth of the judges graded under this model, F the bottom fifth; ++ / + / − / −− within the band. How the grade is made.

27cases reviewed on appeal
19%reversed, in whole or part, of 26 merits decisions

Outcomes on appeal

affirmed 21 reversed 4 reversed in part 1 dismissed 1

Areas

civil 24 family 3

By year: 2025 7 · 2024 7 · 2023 7 · 2026 5 · 2021 1 ·

Analysis

47reviewed cases analysed
167rulings read
1rulings where the model disagrees with the court
8cases with a verified missed authority
0appellate opinions called questionable

Counts of a model's readings across this judge's reviewed cases, each shown on its case page beside the court's disposition. Not a finding about the judge.

Cases

  1. Regents of the U. of Cal. v. Murphy CA4/1 D084092 · 2026-09-10 · civil · reversed in part
  2. Murthi v. Apple CA4/1 D086253 · 2026-05-20 · civil · affirmed
  3. Cotton v. Geraci CA4/1 D084992M · 2026-04-21 · civil · affirmed
  4. Cotton v. Geraci CA4/1 D084992 · 2026-03-25 · civil · affirmed
  5. Stone Ash v. Kettner Investments CA4/1 D084108 · 2026-03-06 · civil · affirmed
  6. Ghosal v. Ajou CA4/1 D084846 · 2025-12-24 · civil · affirmed
  7. Siddell v. City of San Diego CA4/1 D084679 · 2025-12-24 · civil · affirmed
  8. Russo v. Dinneen CA4/1 D084830 · 2025-10-16 · civil · dismissed
  9. De Meo v. Cooley LLP D084269 · 2025-10-08 · civil · affirmed
  10. Montez v. U.S. Bank CA4/1 D084312 · 2025-07-23 · civil · affirmed
  11. Martinez v. Midway Venture CA4/1 D083934 · 2025-02-18 · civil · affirmed
  12. Hester v. Lewiston Condominiums Homeowners' Assn. CA4/1 D083803 · 2025-01-08 · civil · affirmed
  13. Greener v. M. Phelps, Inc. D082588 · 2024-12-31 · civil · affirmed
  14. Hanby v. Elite Show Services CA4/1 D081448 · 2024-12-09 · civil · affirmed
  15. Ghosal v. Deutsche Bank National Trust CA4/1 D083206 · 2024-10-14 · civil · affirmed
  16. Neels v. Silver Oak Management CA4/1 D082379 · 2024-06-26 · civil · reversed
  17. Butler v. Nationstar Mortgage CA4/1 D081821 · 2024-06-13 · civil · affirmed
  18. Young v. City of Coronado CA4/1 D081111M · 2024-05-29 · civil · reversed
  19. Gonzalez v. Hudson Insurance Co. CA4/1 D080166 · 2024-02-13 · civil · affirmed
  20. Spikes v. Ubence CA4/1 D081249 · 2023-12-14 · civil · reversed
  21. Baltazar v. Ace Parking Management CA4/1 D081483 · 2023-10-26 · civil · reversed
  22. Garske v. California Automoble Insurance Company CA4/1 D080685 · 2023-10-24 · civil · affirmed
  23. Sherlock v. Austin CA4/1 D081109 · 2023-09-18 · civil · affirmed
  24. Kramer v. Park Central Towers Owners Assn. CA4/1 D080467 · 2023-07-20 · civil · affirmed
  25. S.H. v. P.H. CA4/1 D079715 · 2023-06-20 · family · affirmed