---
title: "Katharine E. Lum | KnowJudges"
canonical: "https://knowjudges.com/kyj/judge/katharine-e-lum-co-court-of-appeals-judge-statewide"
page_type: "judge_profile"
updated: "2026-10-07"
---

# Katharine E. Lum

Colorado Court of Appeals · Judge

## Profile

- Court: Colorado Court of Appeals
- State: Colorado
- Role: Judge
- Service status: active
- Last verified: 2026-07-26

## Summary

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

## Biography

### Professional career

- Attorney / Of Counsel, Lass Moses Ramp & Cooper LLC and successor Cooper Ramp Cage Bucar Lewis, family law trial and appellate practice, 2012-2022.
- DBA Access to Justice Pro Bono Star, 2021
- Law clerk to Justice Gregory J. Hobbs Jr., Colorado Supreme Court, 2011-2012

### Education

- University of California, Berkeley School of Law — J.D. (2011)
- Northwestern University — B.A. (2006)

### Additional information

- Term ends January 12, 2027; on the November 3, 2026 retention ballot.
- 2026 Office of Judicial Performance Evaluation found she meets performance standards (9-0).
- Appointed by Governor Jared Polis September 15, 2022 to succeed Michael H. Berger; assumed office November 16, 2022.
- Appointed in 2022, she serves on statewide committees and brings both trial and appellate expertise to the Colorado Court of Appeals.
- Bar admission: Colorado, 2013
- Of Counsel, Cooper Ramp Cage Bucar Lewis (and predecessor firms)
- This is her only clerkship mentioned in the provided sources.
- Colorado Bar Association CLE Faculty Bio (professional background, clerkship, law practice, committee service)
- Appellate jurist with a strong background in domestic relations law, significant pro bono service, and experience clerking at Colorado’s highest court.
- Member, Colorado Supreme Court Standing Committee on Family Issues
- Volunteer, Metro Volunteer Lawyers (MVL)

## 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

### expanded media coverage

Scope: statewide

Colorado expanded media coverage requests must comply with Chapter 38, Rule 3 and are submitted to the court before the proceeding; authorization remains subject to court rules, orders, restrictions, and limitations.

Evidence excerpt: you agree with the criteria set forth in Chapter 38, Rule 3, as well as all orders, rules, restrictions, or limitations issued or imposed by the court

[Request for Expanded Media Coverage](https://www.coloradojudicial.gov/media/request-expanded-media-coverage?topic=76&wrapped=true)
Source checked: 2026-07-26

### expanded media notice

Scope: statewide

Colorado expanded media coverage applications generally must be submitted at least twenty-four hours before the court proceeding, though judges may consider shorter-notice requests in some circumstances.

Evidence excerpt: Expanded Media Coverage applications to be submitted at least 24 hours in advance of the court proceeding in question.

[Request for Expanded Media Coverage](https://www.coloradojudicial.gov/media/request-expanded-media-coverage?topic=76&wrapped=true)
Source checked: 2026-07-26


## Sources

- [Official profile](https://www.coloradojudicial.gov/contact/katharine-e-lum)
- [Official roster](https://www.coloradojudicial.gov/contact/katharine-e-lum)
- [Colorado Judicial Branch official judicial roster](https://www.coloradojudicial.gov/contact/katharine-e-lum)
- [Request for Expanded Media Coverage](https://www.coloradojudicial.gov/media/request-expanded-media-coverage?topic=76&wrapped=true)
- [Governor Jared Polis Appoints Katharine E. Lum and Karl L. Schock to the Colorado Court of Appeals](https://www.colorado.gov/governor/news/8816-governor-jared-polis-appoints-katharine-e-lum-and-karl-l-schock-colorado-court-appeals)
- [Lum, Katharine E. 2026 Evaluation](https://judicialperformance.colorado.gov/lum-katharine-e-2026-evaluation)
- [Katharine Lum](https://ballotpedia.org/Katharine_Lum)

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## Published courtroom rules

### Shared court rules

- [Request for Expanded Media Coverage](https://knowjudges.com/courtroom-rules/national-shared-set-18f557a3dab23203e245f5e3) — 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://www.coloradojudicial.gov/media/request-expanded-media-coverage?topic=76&wrapped=true). Collected 2026-07-26.
