gno.law

Matthew C. Perantoni

Judge · Superior Court of Riverside County · 2013–2026

Judge, Superior Court of California, County of Riverside 2012–

A--
79% — 19 of 24 rulings upheld, per qwen3.8-27b; in the top 18% 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.

85cases reviewed on appeal
21%reversed, in whole or part, of 75 merits decisions

Outcomes on appeal

affirmed 56 reversed in part 8 reversed 8 writ denied 5 dismissed 4 modified 3 writ granted 1

Areas

criminal 39 dependency 28 civil 17 probate 1

By year: 2013 18 · 2015 12 · 2023 11 · 2026 9 · 2025 9 · 2024 7 · 2021 5 · 2016 5 · 2014 4 · 2020 3 · 2022 2 ·

Analysis

27reviewed cases analysed
82rulings read
0rulings where the model disagrees with the court
4cases 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. People v. Joseph CA4/1 D088033 · 2026-07-22 · criminal · affirmed
  2. People v. Williams CA4/2 E086109 · 2026-06-26 · criminal · affirmed
  3. People v. Duran CA4/1 D087610 · 2026-06-03 · criminal · modified
  4. People v. Zuniga CA4/2 E084371 · 2026-05-15 · criminal · affirmed
  5. People v. Johnson CA4/1 D082203S · 2026-05-14 · criminal · affirmed
  6. People v. Beard CA4/2 E085023 · 2026-04-15 · criminal · affirmed
  7. People v. Ramirez CA4/2 E085350 · 2026-04-09 · criminal · affirmed
  8. People v. Sanchez CA4/2 E084408 · 2026-03-04 · criminal · affirmed
  9. People v. Johnson CA4/1 D082203A · 2026-01-09 · criminal · affirmed
  10. People v. Salcida CA4/2 E083401 · 2025-12-04 · criminal · reversed
  11. People v. Spain CA4/2 E083917 · 2025-10-27 · criminal · reversed
  12. People v. Tara CA4/2 E084647 · 2025-09-05 · criminal · affirmed
  13. People v. Rodriguez CA4/2 E081589 · 2025-06-06 · criminal · affirmed
  14. People v. Richee G062770 · 2025-05-20 · criminal · reversed in part
  15. People v. Velado CA4/3 G064556 · 2025-05-13 · criminal · affirmed
  16. People v. Harper CA4/1 D083316 · 2025-04-07 · criminal · reversed
  17. People v. Michaux CA4/2 E083605 · 2025-03-24 · criminal · reversed in part
  18. People v. Lucero CA4/1 D083768 · 2025-03-07 · criminal · affirmed
  19. People v. Hernandez CA4/1 D083067 · 2024-11-25 · criminal · affirmed
  20. People v. Ramos CA4/1 D082996 · 2024-08-30 · criminal · affirmed
  21. People v. Velador E081372 · 2024-07-11 · criminal · affirmed
  22. People v. Ramirez CA4/2 E077359A · 2024-07-09 · criminal · reversed in part
  23. People v. Yzararraz CA4/1 D080924A · 2024-05-28 · criminal · reversed in part
  24. People v. Flores D083310 · 2024-04-15 · criminal · reversed in part
  25. People v. Meneses CA4/1 D081553 · 2024-02-02 · criminal · affirmed