ABOUT

A Champion for Justice, Advocacy, and Truth

With a career spanning over fifteen years, Brett Chapman has earned a reputation as a dedicated attorney, a skilled litigator, and a passionate advocate for justice. Based in Tulsa, Oklahoma, Brett focuses his practice on criminal defense and civil rights litigation, providing steadfast representation to clients who need it most. His approach is rooted in commitment, compassion, and the belief that every individual deserves a strong and principled advocate.

An Exceptional Legal Career

Brett began his distinguished career as an Assistant District Attorney in Oklahoma, where he prosecuted some of the most challenging and impactful cases. His work included homicides, violence against women, and crimes against children, demonstrating an unwavering dedication to protecting the vulnerable and seeking justice for victims. For his efforts, Brett was honored with the prestigious Mark Keeley

Award by the rape crisis center Help in Crisis, recognizing him as the Most Outstanding Male Domestic Violence Advocate in Oklahoma.
Throughout his career, Brett has shaped Oklahoma law at the highest levels. Notable cases include:

• State v. Alba (2015): He successfully led an appeal that clarified the circumstances under which police officers can make arrests or detentions based on information from anonymous informants.

• Weeks v. State (2015): Brett defended a law ensuring “zones of safety” for children by upholding restrictions on registered sex offenders near schools, parks, and childcare facilities.

These achievements not only highlight Brett’s legal expertise but also reflect his commitment to protecting the rights and safety of communities.

From Prosecutor to Defender of Civil Liberties

After his tenure as a prosecutor, Brett transitioned into civil practice, representing railroad companies before narrowing his focus to criminal defense and civil rights litigation. This diverse background gives him a comprehensive understanding of both the prosecution and defense perspectives, allowing him to craft informed and effective strategies for his clients.

Whether defending against criminal charges or advocating for civil liberties, Brett brings an unwavering sense of purpose to every case. His clients know they have an attorney who listens, fights tirelessly, and never backs down in the face of injustice.

A Voice for Native American Advocacy

Brett’s commitment to justice extends far beyond the courtroom. As a proud Native American advocate, he plays a leading role in addressing issues of sovereignty, cultural misrepresentation, and historical accuracy. Brett has been a prominent voice in the national movement to retire Native American mascots and imagery, including his successful 2018 effort to remove a mascot at Maine West High School. He also works to elevate understanding of historical Native American figures, such as his advocacy for the recognition of Chief Standing Bear.

Brett challenges stereotypes and inspires change, continuing to fight for fair representation in public spaces, education, and cultural narratives. From opposing offensive depictions in history books to addressing controversial murals, he has become a respected leader in the fight for Native American dignity and self- determination.

A Trusted Advocate for Clients and the Community

Brett Chapman’s work is guided by principles of fairness, respect, and a deep understanding of the law. Whether representing a client in a high-stakes criminal case or advocating for broader social justice, Brett approaches every challenge with integrity and determination.

If you are facing criminal charges, seeking justice for a civil rights violation, or in need of an attorney who will stand firmly by your side, Brett Chapman is here to help. His combination of legal expertise, relentless advocacy, and human understanding ensures that you are in capable hands.