gno.law

Daniel W. Detienne

Judge · Superior Court of San Bernardino County · 2013–2026

Judge, Superior Court of California, County of San Bernardino 2010–

D++
provisional — 60% — 3 of 5 rulings upheld, per qwen3.8-27b; would rank in the top 62% of 312 graded judges, but ten rulings are needed for a standing letter — 5 so far

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.

44cases reviewed on appeal
15%reversed, in whole or part, of 39 merits decisions

Outcomes on appeal

affirmed 28 reversed 6 modified 5 dismissed 5

Areas

criminal 44

By year: 2025 13 · 2023 7 · 2014 5 · 2021 4 · 2024 3 · 2013 3 · 2026 2 · 2022 2 · 2020 2 · 2015 2 · 2016 1 ·

Analysis

8 of this judge's reviewed cases have an analysis; counts are shown from 10.

Cases

  1. People v. Gore CA4/2 E084321 · 2025-10-08 · criminal · reversed
  2. People v. Tatum CA4/2 E081785 · 2025-08-11 · criminal · reversed
  3. People v. Deiner CA4/2 E082014 · 2025-01-10 · criminal · reversed
  4. People v. Clavano CA4/2 E079869A · 2024-02-27 · criminal · reversed
  5. People v. Guzman CA4/2 E079284 · 2023-06-07 · criminal · reversed
  6. People v. Martinez E057976 · 2014-06-06 · criminal · reversed