Monique Langhorne Wilson
CA · Associate Justice, California Court of Appeal, First Appellate District, Division One
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.
Where Monique Langhorne Wilson stands, based on their records
Supports
Public Safety and Crime Control (8 records), Gun Control (1 record)
Mixed record
Civil Rights (4 support · 6 oppose)
Campaign finance information not available
Track record
Track record — Public Safety and Crime Control
Public Safety and Crime Control · 8 support
Authored People v. McCowan, upholding gun convictions against search, counsel-performance, and Second Amendment challenges.
January 13, 2026Supports Public Safety and Crime Control
Source: law.justia.com · researched September 13, 2026
Authored In re L.H., affirming a juvenile secure-youth-facility term and rejecting an equal-protection challenge.
April 9, 2025Supports Public Safety and Crime Control
Source: law.justia.com · researched September 13, 2026
Joined Murphy v. City of Petaluma, finding paramedics owed no duty after a competent crash victim repeatedly refused care.
November 25, 2024Supports Public Safety and Crime Control
Source: law.justia.com · researched September 13, 2026
Joined People v. Hersom, upholding trial during the defendant's voluntary absence while awarding four additional custody-credit days.
September 26, 2024Supports Public Safety and Crime Control
Source: law.justia.com · researched September 13, 2026
Handled domestic-violence restraining orders and firearm-prohibition hearings on the Napa Superior Court.
January 1, 2022Supports Public Safety and Crime Control
Source: appellate.courts.ca.gov · researched September 13, 2026
Handled drug-court and mental-health-court assignments on the Napa Superior Court.
January 1, 2021Supports Public Safety and Crime Control
Source: appellate.courts.ca.gov · researched September 13, 2026
Supervised the Napa Superior Court criminal division.
January 1, 2019Supports Public Safety and Crime Control
Source: appellate.courts.ca.gov · researched September 13, 2026
Became a deputy district attorney in Napa County.
January 1, 2000Supports Public Safety and Crime Control
Source: newsroom.courts.ca.gov · researched September 13, 2026
Track record — Gun Control
Gun Control · 1 support
Authored People v. McCowan, upholding gun convictions against search, counsel-performance, and Second Amendment challenges.
January 13, 2026Supports Gun Control
Source: law.justia.com · researched September 13, 2026
Track record — Civil Rights
Civil Rights · 4 support · 6 oppose
Joined Wilkins v. Cruise, ordering arbitration after finding an autonomous ride service's sign-in agreement enforceable.
July 14, 2026Opposes Civil Rights
Source: law.justia.com · researched September 13, 2026
Joined Guthrie v. Transamerica Life Insurance, affirming denial of class certification for allegedly misleading policy language.
June 22, 2026Opposes Civil Rights
Source: law.justia.com · researched September 13, 2026
Authored People v. McCowan, upholding gun convictions against search, counsel-performance, and Second Amendment challenges.
January 13, 2026Opposes Civil Rights
Source: law.justia.com · researched September 13, 2026
Authored Mendocino Railway v. Meyer, reversing a property judgment and remanding for a determination of just compensation.
December 9, 2025Supports Civil Rights
Source: appellatecases.courtinfo.ca.gov · researched September 13, 2026
Authored In re L.H., affirming a juvenile secure-youth-facility term and rejecting an equal-protection challenge.
April 9, 2025Opposes Civil Rights
Source: law.justia.com · researched September 13, 2026
Joined Colon-Perez v. Security Industry Specialists, allowing withdrawal from arbitration after an employer missed the statutory fee deadline.
January 29, 2025Supports Civil Rights
Source: law.justia.com · researched September 13, 2026
Joined Murphy v. City of Petaluma, finding paramedics owed no duty after a competent crash victim repeatedly refused care.
November 25, 2024Opposes Civil Rights
Source: law.justia.com · researched September 13, 2026
Joined People v. Hersom, upholding trial during the defendant's voluntary absence while awarding four additional custody-credit days.
September 26, 2024Opposes Civil Rights
Source: law.justia.com · researched September 13, 2026
Joined Maxwell v. Atria Management, reversing denial of arbitration and requiring reconsideration of who had authority to sign the agreement.
September 19, 2024Supports Civil Rights
Source: law.justia.com · researched September 13, 2026
Handled domestic-violence restraining orders and firearm-prohibition hearings on the Napa Superior Court.
January 1, 2022Supports Civil Rights
Source: appellate.courts.ca.gov · researched September 13, 2026
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 · researched September 13, 2026
Was nominated as an associate justice of the First District Court of Appeal, Division One.
December 8, 2023
Source: napa.courts.ca.gov · researched September 13, 2026
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 · researched September 13, 2026
Won retention to the Napa County Superior Court with more than 80 percent of the vote.
March 3, 2020
Source: appellate.courts.ca.gov · researched September 13, 2026
Was appointed a judge of the Napa County Superior Court.
November 29, 2018
Source: napa.courts.ca.gov · researched September 13, 2026
Became a commissioner of the Napa County Superior Court.
January 1, 2006
Source: appellate.courts.ca.gov · researched September 13, 2026
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 · researched September 13, 2026
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 · researched September 13, 2026
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 · researched September 13, 2026
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 · researched September 13, 2026
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 · researched September 13, 2026
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 · researched September 13, 2026
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 · researched September 13, 2026
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 · researched September 13, 2026
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 · researched September 13, 2026
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 · researched September 13, 2026
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 · researched September 13, 2026
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 · researched September 13, 2026
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 · researched September 13, 2026
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 · researched September 13, 2026
Handled drug-court and mental-health-court assignments on the Napa Superior Court.
January 1, 2021Favorable on Legal Competence
Source: appellate.courts.ca.gov · researched September 13, 2026
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 · researched September 13, 2026
Supervised the Napa Superior Court criminal division.
January 1, 2019Favorable on Legal Competence
Source: appellate.courts.ca.gov · researched September 13, 2026
Was appointed a judge of the Napa County Superior Court.
November 29, 2018Favorable on Legal Competence
Source: napa.courts.ca.gov · researched September 13, 2026
Began teaching for California's New Judge Orientation program.
January 1, 2017Favorable on Legal Competence
Source: appellate.courts.ca.gov · researched September 13, 2026
Served on the Witkin Judicial College Steering Committee.
January 1, 2012Favorable on Legal Competence
Source: appellate.courts.ca.gov · researched September 13, 2026
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 · researched September 13, 2026
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 · researched September 13, 2026
Became a commissioner of the Napa County Superior Court.
January 1, 2006Favorable on Legal Competence
Source: appellate.courts.ca.gov · researched September 13, 2026
Became a deputy district attorney in Napa County.
January 1, 2000Favorable on Legal Competence
Source: newsroom.courts.ca.gov · researched September 13, 2026
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 · researched September 13, 2026
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 · researched September 13, 2026
Served on the California Center for Judicial Education and Research Ethics and Fairness Curriculum Committee.
January 1, 2008
Source: appellate.courts.ca.gov · researched September 13, 2026
Retention question · November 3, 2026
Profile last researched September 12, 2026.