--- title: "Patricia Guerrero | KnowJudges" canonical: "https://knowjudges.com/kyj/judge/patricia-guerrero-13904" page_type: "judge_profile" updated: "2026-10-07" --- # Patricia Guerrero California Supreme Court · Chief Justice ## Profile - Court: California Supreme Court - State: California - Role: Chief Justice - Service status: active - Last verified: 2026-08-16 ## Summary Official statewide and applicable court procedural guidance applies to this judge. ## Before you appear - Read the judge-specific standing order first when one is listed. - Check the docket and case orders for requirements that supersede broader guidance. - Confirm current remote-access and courtroom technology arrangements before the proceeding. ## Courtroom Rules ### audiovisual evidence Scope: statewide A party offering an electronic sound or sound-and-video recording must provide the court and opposing parties a transcript and provide opposing parties a duplicate of the recording. Evidence excerpt: the party must provide to the court and to opposing parties a transcript of the electronic recording and provide opposing parties with a duplicate of the electronic recording [California Rule 2.1040, Electronic recordings presented or offered into evidence](https://courts.ca.gov/cms/rules/index/two/rule2_1040) Source checked: 2026-07-26 ### remote proceedings Scope: statewide California courts should permit remote participation in covered civil proceedings, subject to the statute, local rules, and controlling orders. Evidence excerpt: courts should permit parties to appear remotely at conferences, hearings, and proceedings in civil cases consistent with Code of Civil Procedure section 367.75 [California Rule 3.672, Remote proceedings](https://courts.ca.gov/cms/rules/index/three/rule3_672) Source checked: 2026-07-26 ### remote participants and witnesses Scope: statewide Covered civil parties and witnesses may appear remotely, and the court may conduct proceedings in whole or in part using remote technology. Evidence excerpt: that party or witness may appear remotely and the court may conduct conferences, hearings, and proceedings, in whole or in part, through the use of remote technology [California Code of Civil Procedure section 367.75](https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?sectionNum=367.75.&lawCode=CCP) Source checked: 2026-07-26 ### recording and broadcasting Scope: statewide Court proceedings may not be photographed, recorded, or broadcast except as Rule 1.150 permits. Evidence excerpt: Except as provided in this rule, court proceedings may not be photographed, recorded, or broadcast. [California Rule 1.150, Photographing, recording, and broadcasting in court](https://courts.ca.gov/cms/rules/index/one/rule1_150) Source checked: 2026-07-26 ### expedited jury trial presentations Scope: statewide In expedited jury trials, parties may use slides, electronic presentations, projections, exhibit notebooks, and other methods approved at the pretrial conference. Evidence excerpt: the parties may present summaries and may use photographs, diagrams, slides, electronic presentations, overhead projections, individual notebooks of exhibits for submission to the jurors, or other innovative methods of presentation approved at the pretrial conference [California Rule 3.1551, Case presentation](https://courts.ca.gov/cms/rules/index/three/rule3_1551) Source checked: 2026-07-26 ### expedited jury trial pretrial agreements Scope: statewide Voluntary expedited jury trial submissions must identify party agreements concerning electronic presentations and other proposed presentation methods. Evidence excerpt: Any agreements of the parties to use photographs, diagrams, slides, electronic presentations, overhead projections, notebooks of exhibits, or other methods of presenting information to the jury [California Rule 3.1548, Pretrial submissions for voluntary expedited jury trials](https://courts.ca.gov/cms/rules/index/three/rule3_1548) Source checked: 2026-07-26 ### exhibit admission Scope: statewide An exhibit must be admitted by the judge before it may be used in the case. Evidence excerpt: The judge must to allow you to admit the exhibit as evidence in order for you to use it in your case. [How to introduce exhibits at a trial](https://selfhelp.courts.ca.gov/how-introduce-exhibits-trial) Source checked: 2026-07-26 ## Sources - [Official profile](https://supreme.courts.ca.gov/about-court/justices-court) - [Official roster](https://supreme.courts.ca.gov/about-court/justices-court) - [California Supreme Court current judicial profile](https://supreme.courts.ca.gov/about-court/justices-court) - [CourtListener judicial biographical directory](https://www.courtlistener.com/person/13904/patricia-guerrero/) - [California Rule 2.1040, Electronic recordings presented or offered into evidence](https://courts.ca.gov/cms/rules/index/two/rule2_1040) - [California Rule 3.672, Remote proceedings](https://courts.ca.gov/cms/rules/index/three/rule3_672) - [California Code of Civil Procedure section 367.75](https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?sectionNum=367.75.&lawCode=CCP) - [California Rule 1.150, Photographing, recording, and broadcasting in court](https://courts.ca.gov/cms/rules/index/one/rule1_150) - [California Rule 3.1551, Case presentation](https://courts.ca.gov/cms/rules/index/three/rule3_1551) - [California Rule 3.1548, Pretrial submissions for voluntary expedited jury trials](https://courts.ca.gov/cms/rules/index/three/rule3_1548) - [How to introduce exhibits at a trial](https://selfhelp.courts.ca.gov/how-introduce-exhibits-trial) - [CourtListener judicial biographical directory](https://www.courtlistener.com/person/13904/patricia-guerrero/) ## JSON-LD ```json { "@context": "https://schema.org", "@graph": [ { "@type": "WebPage", "@id": "https://knowjudges.com/kyj/judge/patricia-guerrero-13904", "url": "https://knowjudges.com/kyj/judge/patricia-guerrero-13904", "name": "Patricia Guerrero | KnowJudges", "description": "Patricia Guerrero, California Supreme Court. Source-linked judicial identity, courtroom procedures, and presentation guidance.", "dateModified": "2026-10-07", "isPartOf": { "@id": "https://knowjudges.com/#website" }, "mainEntity": { "@id": "https://knowjudges.com/kyj/judge/patricia-guerrero-13904#judge" } }, { "@type": "Person", "@id": "https://knowjudges.com/kyj/judge/patricia-guerrero-13904#judge", "name": "Patricia Guerrero", "url": "https://knowjudges.com/kyj/judge/patricia-guerrero-13904", "jobTitle": "Chief Justice", "worksFor": { "@type": "GovernmentOrganization", "name": "California Supreme Court" }, "sameAs": [ "https://supreme.courts.ca.gov/about-court/justices-court" ] }, { "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "KnowJudges", "item": "https://knowjudges.com/kyj" }, { "@type": "ListItem", "position": 2, "name": "California", "item": "https://knowjudges.com/kyj/state/california" }, { "@type": "ListItem", "position": 3, "name": "Patricia Guerrero", "item": "https://knowjudges.com/kyj/judge/patricia-guerrero-13904" } ] } ] } ``` ## Biography ### Professional career - Chief Justice of California (2023–present) - The 29th Chief Justice of California, sworn in on January 2, 2023, making history as the first Latina to hold the office - Associate Justice, California Supreme Court (March 2022 – Jan 2023) - Associate Justice, 4th District Court of Appeal, Division One (2017–2022) - Judge, San Diego County Superior Court (2013–2017), including supervising judge for Family Law Division - Assistant U.S. Attorney, Southern District of California (2002–2003) ### Education - Stanford Law School — J.D. (1997) - Born December 7, 1971 in California’s Imperial Valley to Mexican immigrants, Guerrero earned a B.A. from the University of California, Berkeley (1994) ### Additional information - Guerrero was nominated by Governor Gavin Newsom in August 2022, unanimously confirmed by the Commission on Judicial Appointments, and elected by voters in the November 2022 general election - Before joining the bench, Guerrero practiced law for 15 years at Latham & Watkins ## Published courtroom rules ### Shared court rules - [California Rule 1.150, Photographing, recording, and broadcasting in court](https://knowjudges.com/courtroom-rules/national-shared-set-e59897426ff892cfcd8e0103) — Scope is limited to the court class in the source claim. Shared court context only; case-type restrictions, exceptions, later amendments and case orders apply. This is not a personal preference or a complete rules inventory. [Official source](https://courts.ca.gov/cms/rules/index/one/rule1_150). Collected 2026-07-26.