Colorado general election: November 3, 2026

Who is running for Colorado Court of Appeals, Retention: Judge Katharine E. Lum in 2026?

Here are the candidates for Colorado Court of Appeals, Retention: Judge Katharine E. Lum on the November 3, 2026 ballot. This race is on the ballot for all voters in Colorado.

This is a retention vote: voters decide yes or no on keeping this judge for another term. Judges may not promise how they would rule, so we show experience and record instead of issue positions.

Katharine E. Lum

· Incumbent

Judge, Colorado Court of Appeals

Katharine E. Lum was appointed to the Colorado Court of Appeals in 2022 and is standing for retention for the first time on Nov. 3, 2026¹². Before the bench she was Of Counsel at a Colorado law firm specializing in domestic relations law and clerked for Colorado Supreme Court Justice Gregory J. Hobbs Jr.². She earned her law degree at the University of California, Berkeley².

Judge, Colorado Court of Appeals, since 2022; liaison to the 15th Judicial District²
Of Counsel, Cooper Ramp Cage Bucar Lewis (and predecessor firms), specializing in domestic relations law at the trial and appellate levels²
Clerk to Colorado Supreme Court Justice Gregory J. Hobbs Jr.; JD, University of California, Berkeley School of Law²
Serves on the Supreme Court Standing Committee on Family Issues and as a board member of the Minoru Yasui Inn of Court²
Appointed to the Colorado Court of Appeals in 2022; this is her first retention election².
Bar poll: Colorado Office of Judicial Performance Evaluation 2026 finding (an official state commission evaluation, not an endorsement). Recommendation: "Meets Performance Standards." As published: "The State Commission on Judicial Performance finds that Judge Katharine E. Lum, by vote of 9-0 with one commissioner absent, and one commission vacancy, MEETS PERFORMANCE STANDARDS".
Public discipline: Searched the Colorado Commission on Judicial Discipline's public Determination Database on 2026-10-06 (20 public determinations, 1984 to 2025) and its list of public court filings: no determination or filing names this judge. Discipline short of a public proceeding is confidential and is not listed by name.³

Last reviewed 2026-10-06. Spotted something wrong? Every claim links to its source so you can check it yourself.