Brett Chapman

Brett Chapman

  • Native American Law, Criminal Law, DUI & DWI ...
  • Cherokee Nation, Choctaw Nation, Muscogee (Creek) Nation, Oklahoma
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Biography

Brett Chapman is a highly experienced Oklahoma attorney who combines his comprehensive knowledge of Oklahoma law with a passion for justice that finds its roots in his unique family history.

Brett’s maternal great great great grandfather Chief White Eagle was the hereditary chief of the Ponca during the illegal Ponca Trail of Tears in 1877. His ancestor's against-all-odds fight for justice inspired him to become an attorney and seek justice for others.

Brett started his legal career by serving seven years in the District Attorney's Office, where he handled every kind of case possible, from misdemeanors to homicides. He also successfully changed Oklahoma's DUI case law as a prosecutor in 2015 by advocating for the change in a comprehensive legal briefing which persuaded the state's highest appellate court to change the law. See Alba v. State, 2015 OK CR 2, 341 P.3d 91.

Upon leaving the District Attorney's Office, he became a defense attorney for the Union Pacific Railroad Company and the BNSF Railway Company and defended both companies in complex wrongful death cases. His practice is now focused on criminal defense and advocating for Native American rights and tribal sovereignty in the spirit of his ancestors.

Practice Areas
Native American Law
Criminal Law
Criminal Appeals
DUI & DWI
Traffic Tickets
Appeals & Appellate
Video Conferencing
  • FaceTime
  • Zoom
Jurisdictions Admitted to Practice
Cherokee Nation
ID Number: 850
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Choctaw Nation
ID Number: 424
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Muscogee (Creek) Nation
ID Number: 1107
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Oklahoma
Oklahoma Bar Association
ID Number: 30334
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10th Circuit
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U.S. Supreme Court
ID Number: 322005
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United States District Court for the Eastern District of Oklahoma
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United States District Court for the Northern District of Oklahoma
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Languages
  • English
Professional Experience
Senior Litigation Attorney
Tulsa DUI Guy
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Represented numerous individuals in criminal matters in state and tribal courts for predominantly DUI and traffic-based offenses
Assistant District Attorney
Oklahoma District Attorneys Council
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Prosecuted criminal cases of every type on behalf of the State of Oklahoma under three district attorneys in Eastern Oklahoma (Tulsa County, Wagoner County, Rogers County).
Education
University of Tulsa College of Law
J.D. (2010)
University of Tulsa College of Law Logo
University of Oklahoma
B.A. (2007) | Political Science
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University of Oklahoma Logo
Awards
Most Outstanding Male Domestic Violence Advocate
Help in Crisis
Awarded by a State of Oklahoma violence against women advocacy agency for work performed as a prosecutor specializing in domestic violence prosecutions.
CALI Excellence for the Future Award
Center for Computer-Assisted Legal Instruction (CALI)
Awarded for the highest grade in the Native American & Indigenous Rights course at the University of Tulsa College of Law.
Professional Associations
International Commission for Human Rights and Religious Freedom
Director of Outreach for the First Nations of America
- Current
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International Union for Conservation of Nature (ICUN)
Commissioner, IUCN World Commission on Environmental Law
- Current
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Ponca Tribe of Indians of Oklahoma
Vice Chairman of the Tax Commission
- Current
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Speaking Engagements
“Should some Native Americans be exempt from paying Oklahoma income tax?”, Oklahoma City, Oklahoma
KOCO News 5 ABC
https://www.koco.com/article/oklahoma-native-american-income-tax/45851581
“‘It’s not acceptable’: Attorney says justice system failed Oklahoma mass murder victims”, Tulsa, Oklahoma
KTUL NewsChannel 8
https://ktul.com/news/local/its-not-acceptable-attorney-says-justice-system-failed-henryetta-mass-murder-victims
“‘There's no communication’: McFadden victim calls for public investigation”, Tulsa, Oklahoma
KTUL NewsChannel 8
https://ktul.com/news/local/theres-no-communication-mcfadden-victim-calls-for-public-investigation
“McGirt Update”, Oklahoma Municipal Judges Association 2022 Fall Conference, Lawton, Oklahoma
Oklahoma Municipal League
“Legal experts discuss impact of McGirt ruling”, Northeastern State University Institute on Global Security and Comparative Justice Fall 2021 Seminar Series, Tulsa, Oklahoma
Northeastern State University
https://news.yahoo.com/legal-experts-discuss-impact-mcgirt-195200685.html
Brett Chapman on Haaland v. Brackeen, 143 S. Ct. 1609 (2023), “Supreme Myths” hosted by Professor Eric Segall, Atlanta, Georgia
Georgia State University College of Law
https://podcasts.apple.com/us/podcast/brett-chapman/id1523903890?i=1000617909023
“Forgotten Genocides of Native Americans”, George Washington University Convention on Forgotten Genocides, Washington, D.C.
International Commission for Human Rights & Religious Freedom
HISTORY This Week: “The First VP of Color”, New York, New York
The HISTORY Channel
https://play.acast.com/s/historythisweek/thefirstvpofcolor
Websites & Blogs
Website
brettachapman.com
Contact & Map
401 S. Boston Ave., Suite 500
Mid-Continent Tower, Fifth Floor
Tulsa, OK 74103-4023
Cell: (918) 928-2119
Fax: (918) 518-7905
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