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Tamara L. Mosbarger

Judge · Superior Court of Butte County · 2016–2026

, Superior Court of California, County of Butte 2020–2020 · Presiding Justice, Superior Court of California, County of Butte 2018–2019 · Judge, Superior Court of California, County of Butte 2007–2018

14cases reviewed on appeal
73%reversed, in whole or part, of 11 merits decisions

Outcomes on appeal

reversed 5 writ granted 3 reversed in part 3 affirmed 3

Areas

civil 13 criminal 1

By year: 2021 4 · 2022 3 · 2026 2 · 2023 2 · 2025 1 · 2024 1 · 2016 1 ·

Analysis

No analyses yet. When they exist, this shows counts of the model's findings across this judge's reviewed cases — with the court's own dispositions beside them, and only from 10 cases.

Cases

  1. AquAlliance v. Vina Groundwater Sustainability Agency C102382 · 2026-07-30 · civil · affirmed
  2. Pechkis v. Trustees of the Cal. State University C103742 · 2026-03-24 · civil · affirmed
  3. Ortiz v. Daimler Truck North America LLC C100034 · 2025-06-27 · civil · reversed
  4. City of Gridley v. Super. Ct. C100191 · 2024-09-11 · civil · writ granted
  5. Williams v. FCA US LLC C091902M · 2023-02-27 · civil · reversed
  6. Williams v. FCA US LLC C091902 · 2023-02-01 · civil · reversed
  7. Community Action Agency of Butte County v. Super. Ct. C093020 · 2022-05-27 · civil · writ granted
  8. Williams v. National Western Life Insurance Co. C090436B · 2022-05-10 · civil · reversed in part
  9. Williams v. Nat. W. Life Ins. Co. C090436A · 2022-03-04 · civil · reversed in part
  10. City of Chico v. Superior Court C092293 · 2021-08-30 · civil · writ granted
  11. Holman v. County of Butte C093268 · 2021-08-25 · civil · reversed
  12. Williams v. National Western Life Insurance Co. C090436 · 2021-06-11 · civil · reversed
  13. Arriagarazo v. BMW of North America, LLC C090980 · 2021-05-26 · civil · affirmed
  14. People v. Davis C080545 · 2016-09-27 · criminal · reversed in part