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Monique Langhorne Wilson

CA · Associate Justice, California Court of Appeal, First Appellate District, Division One

Official website

Langhorne Wilson is an associate justice in Division One of California's First District Court of Appeal. She previously served as a Napa Superior Court judge and commissioner across criminal, civil, family, and juvenile assignments.

Track record

Track record — General

General · 6 records
  • Was unanimously confirmed as an associate justice of the First District Court of Appeal, Division One.

    January 30, 2024

    Source: newsroom.courts.ca.gov

  • Was nominated as an associate justice of the First District Court of Appeal, Division One.

    December 8, 2023

    Source: napa.courts.ca.gov

  • Served for three months as a justice pro tempore in the First District Court of Appeal, Division Five.

    January 1, 2023

    Source: appellate.courts.ca.gov

  • Won retention to the Napa County Superior Court with more than 80 percent of the vote.

    March 3, 2020

    Source: appellate.courts.ca.gov

  • Was appointed a judge of the Napa County Superior Court.

    November 29, 2018

    Source: napa.courts.ca.gov

  • Became a commissioner of the Napa County Superior Court.

    January 1, 2006

    Source: appellate.courts.ca.gov

Track record — Legal Competence

Legal Competence · 25 favorable
  • Joined Wilkins v. Cruise, ordering arbitration after finding an autonomous ride service's sign-in agreement enforceable.

    July 14, 2026Favorable on Legal Competence

    Source: law.justia.com

  • Authored City of Clearlake v. Highlands Mutual Water, reversing an injunction based on a rejected constitutional challenge to a share-cancellation law.

    July 7, 2026Favorable on Legal Competence

    Source: law.justia.com

  • Joined Guthrie v. Transamerica Life Insurance, affirming denial of class certification for allegedly misleading policy language.

    June 22, 2026Favorable on Legal Competence

    Source: law.justia.com

  • Authored People v. McCowan, upholding gun convictions against search, counsel-performance, and Second Amendment challenges.

    January 13, 2026Favorable on Legal Competence

    Source: law.justia.com

  • Authored Mendocino Railway v. Meyer, reversing a property judgment and remanding for a determination of just compensation.

    December 9, 2025Favorable on Legal Competence

    Source: appellatecases.courtinfo.ca.gov

  • Authored In re L.H., affirming a juvenile secure-youth-facility term and rejecting an equal-protection challenge.

    April 9, 2025Favorable on Legal Competence

    Source: law.justia.com

  • Joined Colon-Perez v. Security Industry Specialists, allowing withdrawal from arbitration after an employer missed the statutory fee deadline.

    January 29, 2025Favorable on Legal Competence

    Source: law.justia.com

  • Joined Murphy v. City of Petaluma, finding paramedics owed no duty after a competent crash victim repeatedly refused care.

    November 25, 2024Favorable on Legal Competence

    Source: law.justia.com

  • Joined People v. Hersom, upholding trial during the defendant's voluntary absence while awarding four additional custody-credit days.

    September 26, 2024Favorable on Legal Competence

    Source: law.justia.com

  • Joined Maxwell v. Atria Management, reversing denial of arbitration and requiring reconsideration of who had authority to sign the agreement.

    September 19, 2024Favorable on Legal Competence

    Source: law.justia.com

  • Was unanimously confirmed as an associate justice of the First District Court of Appeal, Division One.

    January 30, 2024Favorable on Legal Competence

    Source: newsroom.courts.ca.gov

  • Was nominated as an associate justice of the First District Court of Appeal, Division One.

    December 8, 2023Favorable on Legal Competence

    Source: napa.courts.ca.gov

  • Served for three months as a justice pro tempore in the First District Court of Appeal, Division Five.

    January 1, 2023Favorable on Legal Competence

    Source: appellate.courts.ca.gov

  • Handled domestic-violence restraining orders and firearm-prohibition hearings on the Napa Superior Court.

    January 1, 2022Favorable on Legal Competence

    Source: appellate.courts.ca.gov

  • Handled drug-court and mental-health-court assignments on the Napa Superior Court.

    January 1, 2021Favorable on Legal Competence

    Source: appellate.courts.ca.gov

  • Won retention to the Napa County Superior Court with more than 80 percent of the vote.

    March 3, 2020Favorable on Legal Competence

    Source: appellate.courts.ca.gov

  • Supervised the Napa Superior Court criminal division.

    January 1, 2019Favorable on Legal Competence

    Source: appellate.courts.ca.gov

  • Was appointed a judge of the Napa County Superior Court.

    November 29, 2018Favorable on Legal Competence

    Source: napa.courts.ca.gov

  • Began teaching for California's New Judge Orientation program.

    January 1, 2017Favorable on Legal Competence

    Source: appellate.courts.ca.gov

  • Served on the Witkin Judicial College Steering Committee.

    January 1, 2012Favorable on Legal Competence

    Source: appellate.courts.ca.gov

  • Joined the California Judicial Mentor Program Executive Committee and served as its North Bay liaison.

    January 1, 2010Favorable on Legal Competence

    Source: appellate.courts.ca.gov

  • Served on the California Center for Judicial Education and Research Ethics and Fairness Curriculum Committee.

    January 1, 2008Favorable on Legal Competence

    Source: appellate.courts.ca.gov

  • Became a commissioner of the Napa County Superior Court.

    January 1, 2006Favorable on Legal Competence

    Source: appellate.courts.ca.gov

  • Became a deputy district attorney in Napa County.

    January 1, 2000Favorable on Legal Competence

    Source: newsroom.courts.ca.gov

  • Worked as a family support officer for the Napa County Department of Child Support Services.

    January 1, 1999Favorable on Legal Competence

    Source: newsroom.courts.ca.gov

Track record — Candidate Ethics

Candidate Ethics · 2 records
  • Joined the California Judicial Mentor Program Executive Committee and served as its North Bay liaison.

    January 1, 2010

    Source: appellate.courts.ca.gov

  • Served on the California Center for Judicial Education and Research Ethics and Fairness Curriculum Committee.

    January 1, 2008

    Source: appellate.courts.ca.gov

Past race Monique Langhorne Wilson ran in: