---
title: "Tana L Coates | KnowJudges"
canonical: "https://knowjudges.com/kyj/judge/tana-l-coates"
page_type: "judge_profile"
updated: "2026-10-07"
---

# Tana L Coates

Superior Court of California, County of San Luis Obispo · Superior Court Judge

## Profile

- Court: Superior Court of California, County of San Luis Obispo
- State: California
- Role: Superior Court Judge
- Service status: active
- Last verified: 2026-07-28

## Summary

Official statewide and applicable court procedural guidance applies to this judge.

## Biography

### Professional career

- Judge, Superior Court of California, County of San Luis Obispo, 2017-present
- Before her appointment, Judge Coates held a position as an associate at James R. Murphy, Jr., A Law Corporation from 1991 to 2005.

### Education

- University of Houston — J.D. (1991)
- Journalism — The University of Texas at Austin — 1981
- Bachelor’s degree in journalism from the University of Texas at Austin and a J.D. from the University of Houston Law Center.

### Additional information

- Appointed by Governor Jerry Brown on May 22, 2017, to replace Judge Martin J. Tangeman.
- Judge Tana Coates is the Presiding Judge of the Superior Court of San Luis Obispo County in California and presides over Department 4 in the Civil Division.
- In this role, she oversees civil cases and administrative responsibilities associated with the court’s operations California State Portal.
- As Presiding Judge, she also plays a leadership role in managing court procedures and ensuring efficient case handling.
- While judicial positions in California are officially nonpartisan, she is affiliated with the Democratic Party.
- She has experience in both federal and state courts, including the Ninth Circuit Court of Appeals, U.S. District Courts across California, U.S. Bankruptcy Courts, California Supreme Court, and California Courts of Appeal.
- This extensive background provided her with a broad foundation in civil and federal law prior to her judicial service.
- Judge Coates received an overall rating of 7.30 out of 10 from participating attorneys.
- Her highest scores were for being courteous and attentive in the courtroom (9.02) and for judicial demeanor (8.20), while her lower scores were in ruling decisively (6.55) and efficiency in courtroom management (6.96).
- These ratings reflect her professionalism and approachability, with some room for improvement in decisiveness and efficiency.

## 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://courts.ca.gov/courts/superior-courts/judges-roster)
- [Official roster](https://courts.ca.gov/courts/superior-courts/judges-roster)
- [Judicial Branch of California official judicial roster](https://courts.ca.gov/courts/superior-courts/judges-roster)
- [CourtListener judicial biographical directory](https://www.courtlistener.com/person/14180/tana-l-coates/)
- [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/14180/tana-l-coates/)

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## Published courtroom rules

### Shared court rules

- [California Trial Court Rules](https://knowjudges.com/courtroom-rules/national-shared-set-9f680f8d47ee26f7ea1a6bce) — Applicable trial-court proceedings; individual rules may be limited to civil, criminal or other case types. Section-specific exceptions, waivers, later amendments and case orders remain applicable. This is a source excerpt, not an exhaustive statement of the rule. [Official source](https://courts.ca.gov/system/files?file=file/roc-title-2.pdf). Collected 2026-10-27.
- [California Civil Rules](https://knowjudges.com/courtroom-rules/national-shared-set-b2d4d123885851a5fcca88dd) — Civil proceedings; Rule 3.10 and specialized-case exclusions apply. Section-specific exceptions, waivers, later amendments and case orders remain applicable. This is a source excerpt, not an exhaustive statement of the rule. [Official source](https://courts.ca.gov/system/files?file=file/roc-title-3_3.pdf). Collected 2026-10-27.
- [California Criminal Rules](https://knowjudges.com/courtroom-rules/national-shared-set-f6b70a7925331d01ac4f3da8) — Criminal proceedings only. Section-specific exceptions, waivers, later amendments and case orders remain applicable. This is a source excerpt, not an exhaustive statement of the rule. [Official source](https://courts.ca.gov/system/files?file=file/roc-title-4.pdf). Collected 2026-10-27.
- [California Family and Juvenile Rules](https://knowjudges.com/courtroom-rules/national-shared-set-b35daaa50a3da8133dcea76d) — Family and juvenile proceedings only; a general Superior Court assignment does not establish a personal family/juvenile assignment. Section-specific exceptions, waivers, later amendments and case orders remain applicable. This is a source excerpt, not an exhaustive statement of the rule. [Official source](https://courts.ca.gov/system/files?file=file/roc-title-5_3.pdf). Collected 2026-10-27.
- [California Probate Rules and Mental Health Rules](https://knowjudges.com/courtroom-rules/national-shared-set-7c869f3fd279fe758c2d41be) — Probate and mental health proceedings only; a general Superior Court assignment does not establish a personal probate assignment. Section-specific exceptions, waivers, later amendments and case orders remain applicable. This is a source excerpt, not an exhaustive statement of the rule. [Official source](https://courts.ca.gov/system/files?file=file/roc-title-7.pdf). Collected 2026-10-27.
- [California Rule 2.1040, Electronic recordings presented or offered into evidence](https://knowjudges.com/courtroom-rules/national-shared-set-cece5afa480bc6cbddca965c) — 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/two/rule2_1040). Collected 2026-07-26.
- [California Code of Civil Procedure section 367.75](https://knowjudges.com/courtroom-rules/national-shared-set-e40ba2699f4d3d815dac46ca) — 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://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?sectionNum=367.75.&lawCode=CCP). Collected 2026-07-26.
- [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.
