About Brett

Brett Chapman is a litigation lawyer based in Oklahoma. He earned a J.D. from the University of Tulsa College of Law in 2010 and holds a bachelor's diploma in political science from the University of Oklahoma.

His career started soon following law school when he took a role as an assistant district lawyer with the Oklahoma District Lawyers Council in 2010. That role put him inside a variety of court settings and gave him early publicity to trial work and courtroom procedure. He moved into private practice over time and by 2021 he was indexed as a senior litigation lawyer for Tulsa DUI Guy.

Chapman’s admissions mirror a tradition that spans state, federal and tribal boards. He is admitted to the Oklahoma bar and to practice before the United States District Courts for the Northern and Eastern Districts of Oklahoma. He also holds admission to the 10th Circuit and the U.S. Supreme Court. In addition, Chapman is licensed to practice in numerous tribal jurisdictions, which includes the Cherokee Nation, the Muscogee (Creek) Nation and the Choctaw Nation.

Beyond court admissions, Chapman has taken on roles in civic and international organizations. Since 2021 he has served as Director of Outreach for the First Nations of America on the International Commission for Human Rights and Religious Freedom. He is likewise a commissioner at the IUCN World Commission on Environmental Law. At the local tribal degree he serves as vice chairman of the Tax Commission for the Ponca Tribe of Indians of Oklahoma.

Those appointments point out an interest in problems that cross jurisdictional lines — tribal governance, environmental coverage and human rights. His court work and organizational roles intersect where legal questions involve federal, state and tribal law. Peers see him as a person who moves between those spheres and who takes on legal proceedings in more than one forums.

Chapman’s practice document consists of court appearances, appellate filings and representation in tribal councils and commissions. He handles the procedural needs of federal court work, the particular guidelines of appeals practice, and the separate procedures utilized by tribal courts and commissions.

He currently practices as a senior legal proceedings lawyer at Tulsa DUI Guy, dealing with DUI protection and associated criminal matters.

Education

University of Tulsa College of Law

J.D. (2010)

2010

University of Oklahoma

B.A. (2007) | Political Science

2002

Languages

English (Spoken)

Experience

Senior Litigation Lawyer

Tulsa DUI Guy
2021

Assistant District Lawyer

Oklahoma District Lawyers Council
2010

Accepted Jurisdictions

Oklahoma
United States District Court for the Northern District of Oklahoma
Cherokee Nation
Muscogee (Creek) Nation
Choctaw Nation
U.S. Supreme Court
United States District Court for the Eastern District of Oklahoma
10th Circuit

Professional Associations

International Commission for Human Rights and Religious Freedom

Director of Outreach for the First Nations of America 2021 - Current

International Union for Conservation of Nature (ICUN)

Commissioner, IUCN World Commission on Environmental Law 2021 - Current

Ponca Tribe of Indians of Oklahoma

Vice Chairman of the Tax Commission 2021 - Current

Office Locations

Main Office

 401 S. Boston Ave., Suite 500 Mid-Continent Tower, Fifth Floor Tulsa OK 74103-4023

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Lawyer says justice system failed Henryetta mass murder victims
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Lawyer says justice system failed Henryetta mass murder victims
Should some Native Americans be exempt from paying Oklahoma income tax?
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Should some Native Americans be exempt from paying Oklahoma income tax?