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. In re N.F. E076330 · 2021-08-20 · dependency · affirmed
  2. In re T.C. CA4/2 E076035 · 2021-03-18 · dependency · reversed
  3. In re A.E. CA4/2 E076020 · 2021-03-03 · dependency · affirmed
  4. V.T. v. Superior Court CA4/2 E075910 · 2021-01-22 · dependency · writ denied
  5. V.A. v. Super. Ct. CA4/2 E076079 · 2021-01-20 · dependency · writ denied
  6. In re A.G. CA4/2 E075211 · 2020-12-30 · dependency · affirmed
  7. In re K.L. CA4/2 E073503 · 2020-08-21 · dependency · affirmed
  8. In re A.M. E073805 · 2020-04-02 · dependency · affirmed
  9. C.T. v. Superior Court CA4/2 E065968 · 2016-09-08 · dependency · writ denied
  10. J.A. v. Superior Court CA4/2 E065363 · 2016-04-22 · dependency · writ denied
  11. In re K.P. CA4/2 E057591 · 2014-08-20 · dependency · affirmed
  12. In re M.P. CA4/2 E057504 · 2014-01-23 · dependency · affirmed
  13. In re J.O. CA4/2 E057541 · 2013-11-21 · dependency · modified
  14. In re Z.A. CA4/2 E057737 · 2013-10-30 · dependency · reversed in part
  15. In re H.K. CA4/2 E057805 · 2013-10-04 · dependency · dismissed
  16. In re J.P. CA4/2 E057918 · 2013-08-27 · dependency · affirmed
  17. In re K.P. CA4/2 E057921 · 2013-07-01 · dependency · affirmed
  18. In re L.M. CA4/2 E056563 · 2013-06-27 · dependency · affirmed
  19. In re R.M. CA4/2 E057322 · 2013-06-26 · dependency · affirmed
  20. In re C.L. CA4/2 E057469 · 2013-06-06 · dependency · reversed
  21. In re J.B. CA4/2 E057928 · 2013-06-06 · dependency · reversed
  22. In re E.F. CA4/2 E057300 · 2013-05-31 · dependency · affirmed
  23. In re K.J. CA4/2 E056898 · 2013-05-31 · dependency · reversed
  24. In re R.M. CA4/2 E057408 · 2013-05-29 · dependency · affirmed
  25. In re A.T. CA4/2 E057084 · 2013-05-22 · dependency · affirmed