About
D. Colby Addison is the founder and principal attorney of Addison Law Firm in Oklahoma City, Oklahoma. His practice includes employment law, civil rights, serious injury, federal litigation, and counsel for tribal governments and businesses. Addison represents both employees and employers in workplace matters involving discrimination, retaliation, harassment, unpaid wages, termination, severance, investigations, policies, contracts, and related disputes. He focuses on building clear factual records and developing practical strategies suited to the forum and client’s objectives.
Addison earned his J.D. from the University of Oklahoma College of Law and a B.S. from the University of Oklahoma. His legal education supports a litigation practice that requires careful analysis of statutes, evidence, procedure, and workplace records. He is admitted in Oklahoma and before the U.S. Court of Appeals for the Tenth Circuit and the federal district courts for the Western, Northern, and Eastern Districts of Oklahoma.
Addison has more than a decade of trial experience and has handled thousands of matters. His employment background includes prior service as an Oklahoma Administrative Law Judge for the Civil Service Division, where he presided over disputes between state agencies and employees. That adjudicative experience informs how he evaluates workplace claims and organizes evidence. His broader practice also includes civil rights litigation, serious injury matters, federal cases, and counseling tribal governments on governance, employment, and disputes.
D. Colby Addison currently serves as a Tribal Supreme Court Justice and has been selected to Super Lawyers Rising Stars from 2019 through 2026. His professional and academic service includes involvement with the Oklahoma Law Review and service as a board member of a Native CDFI-aligned lending institution. Addison combines trial advocacy, judicial perspective, and employment-law experience to help clients assess legal risk, prepare strong records, and address consequential disputes with practical judgment.
Law Office Affiliations
- Founder and Principal Attorney, Addison Law Firm
- Member, Oklahoma Bar Association
- Member, National Employment Lawyers Association
- Member, Oklahoma Employment Lawyers Association
- Board Member, Native CDFI-Aligned Lending Institution
Licensed State
- Oklahoma
Education
- University of Oklahoma College of Law
Juris Doctor (JD) - University of Oklahoma
Bachelor of Science
Awards & Badges



- Discrimination
- Employment Litigation
- Sexual Harassment
- Wage & Hour Laws
- Wrongful Termination
- Government Finance
- Brain Injury
- Car Accidents
- Construction Accidents
- Medical Malpractice
- Motorcycle Accidents
- Nursing Home Abuse & Neglect
- Spinal Cord Injury
- Trucking Accidents
- Wrongful Death
- Appeals
- Litigation
- Contracts & Agreements
- Insurance Claims




