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John R. Colbert
About John
Biography
John R. Colbert is the founder of Colbert Cooper Hill Attorneys and has represented injured and disabled Oklahomans since 1990. During more than 35 years of practice, John has handled personal injury, wrongful death, workers’ compensation, social security and appellate matters throughout Oklahoma.
John has prosecuted or defended more than 100 appeals before the Oklahoma Supreme Court and Oklahoma Court of Civil Appeals. His appellate work includes significant decisions addressing injured workers’ rights, meaningful judicial review, enforcement of statutory protections and access to benefits. Among the reported decisions he has handled are Bober v. Oklahoma State University, Mullendore v. Mercy Hospital Ardmore, Dunkin v. Instaff Personnel and Minyard v. Halliburton Energy Services.
A native of Sulphur, Oklahoma, John earned both his undergraduate degree and law degree from the University of Oklahoma. He is the son of the Honorable George Dixie Colbert, who served as a judge in southern Oklahoma for 26 years. That family tradition of public service helped shape John’s commitment to careful preparation, determined advocacy and compassionate representation.
John and the attorneys at Colbert Cooper Hill represent clients from offices in Oklahoma City, Tulsa and Ardmore and serve injured people throughout Oklahoma.
Practice Areas
2
Practice Areas
Personal Injury
90%
36 years
Appeals
10%
36 years
Fees and Rates
Cost
Contingency
10%-50%
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Chat withLicenses
Licensed in Oklahoma for 35 years
State: Oklahoma
Acquired: 1990
No misconduct found
Location
Colbert Cooper Hill Attorneys
415 N.W. 11TH STREET, Oklahoma City, OK, 73103
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John R. Colbert's Reviews
Avvo Review Score
2 Client Reviews
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Practice Areas
What Clients Mention
Showing 1 - 2 of 2 reviews
Posted by Lori | August 05, 2026 | Hired Attorney
I Made The Right Choice
Working with John Colbert and the team at Colbert Cooper Hill was the best decision I ever made. From day one, they brought exceptional professionalism, deep expertise, and genuine compassion to a situation that felt completely overwhelming. What stood out most was their communication. I was never...
Posted by Janet | August 05, 2026 | Hired Attorney
The BEST attorney
John represented my sister who has developmental disabilities. He always kept us up to date on the case. He was very kind and did what he said he would do. I would 100% use him again.
John R. Colbert's Lawyer Endorsements
"I have known and worked alongside John Colbert for over 15 years, and I can say without reservation, that he is one of the most dedicated, skillful personal injury attorneys in our region. In the legal field, you quickly learn who truly prepares a case and who relies on quick settlements. John is a true trial lawyer. I have referred numerous clients, friends, and family members to John over the years, and the feedback is always the same: compassionate communication, exceptional strategy, and outstanding results. If you or a loved one has suffered a severe injury, you want an advocate who commands respect from opposing counsel and insurance carriers alike. John and his partners have earned that respect through relentless hard work and a proven track record."
"Without hesitation I endorse John Colbert as easily the hardest working and efficient attorney I have ever known. Late hours and long tasks do nothing to diminish his drive to perform legal feats of brilliance for his clients. He outworks everyone I know in this or any other profession. As an opposing counsel, to his interests, I can attest to his exceptional ability to argue effectively for the rights of his clients. He never refuses a challenge and unfortunately, for me, rarely loses. His compassion is bested only by his professionalism and character. I would not hesitate to refer any family member or close friend to him (I've done both before). I consider myself fortunate to learn from him and put the lessons I learn from him to practice in my own life and career. Never have I heard a reasonable person say a cross word about his capabilities or integrity. Also, he cannot be sunburned- which is honestly a superpower."
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Experience
Honors
2014
Lifetime, Trial Masters
Work Experience
1990 - Present
Attorney, Colbert Cooper Hill Attorneys
Associations
Oklahoma Bar Association
Oklahoma County Bar Association
Oklahoma Association for Justice
American Association for Justice
Lawyers for Working Oklahomans
Workers' Injury Law & Advocacy Group
Sample of Legal Cases
Mullendore v. Mercy Hospital (2019 OK 11, 438 P.3d 358)
The Oklahoma Supreme Court ruled in favor of my client.
Bober v. Oklahoma State University, 2016 OK 78
The Oklahoma Supreme Court ruled in favor of my client.
Dunkin v. Instaff (2007 OK 51, 164 P.3d 1057)
The Oklahoma Supreme Court ruled in favor of my client.
Education
1990
University of Oklahoma College of Law
JD - Juris Doctor
1987
University of Oklahoma
BA - Bachelor of Arts
Publications
2026
Colbert Cooper Hill Attorneys - Blog Page
How to Pass a Continuing Disability Review
Languages
English
Spanish