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Home Bios - Katharine E. Lum
Home Bios - Katharine E. Lum
Katharine E. Lum - Judge

Appointment: November 16, 2022


Prior to joining the bench, Judge Lum was Of Counsel with Cooper Ramp Cage Bucar Lewis (and predecessor firms), where she specialized in domestic relations law at the trial and appellate levels.  During her career, Judge Lum served as a member of the Family Law Section Executive Council, where she formed and co-chaired the Diversity, Equity, and Inclusivity Committee.  She was additionally appointed to serve on the Supreme Court Standing Committee on Family Issues, a position she continues to hold.  Before entering private practice, Judge Lum was a law clerk for former Justice Gregory Hobbs of the Colorado Supreme Court.

Professional Associations

Judge Lum is a member of the Asian Pacific American Bar Association of Colorado, the Colorado Women’s Bar, the Colorado LGBT Bar Association, and the Minoru Yasui Inn of Court.  She is also a Bar Fellow with the Colorado Bar Foundation.

Public Service

Judge Lum is an avid supporter of organizations providing pro bono legal services to the public.  During law school, she was a student volunteer with Community Legal Outreach, assisting clients at a women’s shelter with legal issues.  During her career in private practice, Judge Lum was a frequent volunteer with Metro Volunteer Lawyers (MVL).  In 2020, Judge Lum received MVL’s award for outstanding participation in the post-decree program, and in 2021, she was recognized as a Denver Bar Association Pro Bono Star.


Judge Lum obtained a J.D. from the University California Berkeley School of Law and a B.A., magna cum laude, from Northwestern University.


In her free time, Judge Lum enjoys hiking, climbing, baking, knitting, and playing the cello.

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