Office of Attorney Regulation Counsel

An Independent Office of the Colorado Supreme Court

Promoting Professionalism. Protecting the Public.

Promoting Professionalism. Protecting the Public.

Attorney Information

ETHAN MAMORU SUMIDA (56515)

License Status: ACTV – Active

This attorney or LLP is licensed to practice law in Colorado courts and with the Colorado Supreme Court. Only active attorneys and LLPs may practice law in Colorado.

Name: Sumida, Ethan Mamoru

Registration / Bar Number: 56515

Is in Private Practice: Yes

Carries Professional Liability Insurance: Yes

Firm Name: Halligan LLC.

Admission Date: October 19, 2021

Phone: (303) 317-6637

Business Address: 2535 17th Street, Suite C, Denver, CO 80211

There is no public disciplinary history on file for this attorney within the state of Colorado.