gno.law

John W. Vineyard

Judge · Superior Court of Riverside County · 2013–2026

Presiding Justice, Superior Court of California, County of Riverside 2019–2020 · Judge, Superior Court of California, County of Riverside 2011–2019

F++
50% — 14 of 28 rulings upheld, per qwen3.8-27b; in the top 83% 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.

49cases reviewed on appeal
34%reversed, in whole or part, of 47 merits decisions

Outcomes on appeal

affirmed 30 reversed 12 reversed in part 4 writ granted 1 writ denied 1 modified 1

Areas

civil 41 family 5 criminal 2 delinquency 1

By year: 2014 11 · 2023 9 · 2016 9 · 2018 5 · 2017 3 · 2015 3 · 2026 2 · 2019 2 · 2025 1 · 2024 1 · 2022 1 · 2021 1 · 2013 1 ·

Analysis

31reviewed cases analysed
97rulings read
1rulings 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. Marriage of De Light CA4/2 E079240 · 2026-08-18 · family · modified
  2. Forrest v. Forrest CA4/1 D086281 · 2026-07-08 · family · reversed
  3. Marriage of Betancourt CA4/1 D085161 · 2025-10-23 · family · affirmed
  4. Marriage of Bergman CA4/1 D083079 · 2024-03-25 · family · affirmed
  5. Wickline v. Schweder CA4/1 D080074 · 2023-09-21 · civil · reversed in part
  6. Marriage of Cerny CA4/1 D082233 · 2023-08-21 · family · affirmed
  7. Chavez v. Golden Auto Group CA4/2 E078712 · 2023-08-01 · civil · affirmed
  8. Citrus El Dorado v. Stearns Bank CA4/2 E077496 · 2023-07-03 · civil · affirmed
  9. Western Riverside Council of Governments v. McKiernan CA2/7 B322576 · 2023-05-25 · civil · reversed
  10. Koganti v. PODS Enterprises CA4/1 D080905 · 2023-04-27 · civil · reversed
  11. GRFCO, Inc. v. Super. Ct. E076823 · 2023-04-03 · delinquency · affirmed
  12. EZ Roofing v. JSAMJ CA4/2 E077877 · 2023-03-10 · civil · affirmed
  13. Chimal v. Vong CA4/1 D080517 · 2023-02-27 · civil · reversed in part
  14. Davis v. Porsche Cars of North America CA4/2 E077395 · 2022-11-10 · civil · affirmed
  15. Carachure v. Scott E074226 · 2021-10-07 · civil · affirmed
  16. Moss v. Duncan D075101 · 2019-06-20 · civil · reversed
  17. Citrus El Dorado v. Chicago Title Co. E067938 · 2019-03-05 · civil · affirmed
  18. GameStop, Inc. v. Superior Court E068701 · 2018-08-22 · civil · writ denied
  19. Levingston v. Kaiser Foundation Health Plan E066271 · 2018-08-17 · civil · reversed
  20. Camacho v. Target Corp. D073280 · 2018-06-08 · civil · reversed
  21. Jensen v. The Home Depot, Inc. E067002 · 2018-05-31 · civil · reversed
  22. Hayes v. Temecula Valley Unified Sch. Dist. D072998 · 2018-03-23 · civil · affirmed
  23. Grotheer v. Escape Adventures E063449 · 2017-08-31 · civil · affirmed
  24. Swigart v. Bruno D071072 · 2017-07-17 · civil · affirmed
  25. McGill v. Citibank, N.A. S224086 · 2017-04-06 · civil · reversed