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Navigating the intersection of federal, state, and tribal jurisdiction requires deep experience. Led by a sitting Tribal Supreme Court Justice, we don't just understand the law—we help shape it.
State court lawyers often view Tribal Law as a "niche" add-on. They draft contracts that accidentally waive sovereign immunity or file motions that ignore tribal civil procedure. These mistakes threaten the sovereignty of the Nation.
D. Colby Addison sits on the bench. He sees the arguments that win and the errors that lose. We bring that judicial perspective to your counsel table.

Judicial Insight
Led by a sitting Tribal Supreme Court Justice who sees both sides of the bench.
Oklahoma is home to 39 federally recognized tribes. Post-McGirt, the legal landscape has shifted significantly. Understanding these frameworks is essential for any tribal government or enterprise.
Tribal sovereignty predates the Constitution. Tribes are not subdivisions of the state — they are separate sovereign nations with inherent authority over their territory, membership, and internal affairs. The Indian Self-Determination Act (ISDEAA) further empowers tribes to administer federal programs through 638 contracts and self-governance compacts.
The Supreme Court's decision in McGirt v. Oklahoma (2020) reaffirmed that much of eastern Oklahoma remains Indian Country for purposes of federal criminal jurisdiction. While the immediate holding was criminal, the implications for taxation, civil regulation, environmental law, and zoning continue to unfold in lower courts.
The federal government has a trust responsibility to tribes — a fiduciary duty arising from treaties, federal statutes, and the history of federal-tribal relations. This duty extends to healthcare (IHS), education, land management (BIA), and natural resources. When the government breaches this trust, tribes have legal remedies.
Indian Country involves a complex web of tribal, state, and federal jurisdiction. Criminal jurisdiction depends on the identity of the defendant and victim (Indian vs. non-Indian), the severity of the crime, and the location. Civil jurisdiction depends on the parties, the subject matter, and whether the activity has a sufficient nexus to tribal governance. We navigate this complexity daily.
Every tribal engagement begins with understanding the Nation's unique governance structure, priorities, and legal landscape:
We review the tribe's constitution, existing legal codes, governance structure, and current contracts to identify any exposure to inadvertent waivers of sovereign immunity.
We evaluate existing enterprise agreements, gaming compact compliance, employment practices, and federal funding obligations. We identify the highest-priority vulnerabilities and build an action plan.
We recommend the engagement structure — general counsel retainer for ongoing needs, or project-based billing for defined work (constitution drafting, compact negotiation, litigation).
We serve as a trusted advisor to tribal leadership. Direct access for contract review, legislative analysis, and crisis response. We attend council meetings, review resolutions, and provide real-time guidance on governance decisions.
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We represent Tribal Governments, Enterprises, and Housing Authorities across the 10th Circuit.
Defending tribal immunity in litigation and structuring contracts that protect inherent powers.
Structuring business entities (Section 17 corps, LLCs) to shield assets and drive growth.
Defending treaty rights, land-into-trust acquisitions, and jurisdictional battles.
General counsel for casinos and commissions. NIGC compliance and tort claims defense.
Federal Indian law is built on a unique set of legal doctrines that differ fundamentally from state law. Understanding these doctrines is critical to effective tribal representation:
Tribes cannot be sued without their consent. This protection extends to tribal enterprises that function as "arms of the tribe." We meticulously review every contract, resolution, and enterprise structure to prevent inadvertent waivers that could expose tribal assets.
Federal courts must defer to tribal courts before exercising jurisdiction over claims arising in Indian Country. Established in National Farmers Union v. Crow Tribe, this doctrine keeps disputes in tribal forums where the Nation has procedural advantages. We invoke this doctrine defensively to protect tribal interests.
This doctrine allows suits against tribal officials (not the tribe) for "ongoing violations" of federal law. It is the most common vehicle for circumventing sovereign immunity. We defend against Ex Parte Young claims by demonstrating that the suit targets the tribe itself and that the relief sought would deplete tribal coffers.
The federal government owes a fiduciary duty to tribes arising from treaties and federal statutes. When agencies breach this duty — through mismanagement of trust lands, inadequate healthcare funding, or failure to honor treaty obligations — tribes can seek judicial remedies. We hold the government accountable to its trust obligations.
Casinos are often the primary source of revenue for the Nation. Oklahoma is home to more than 130 tribal gaming operations generating billions in annual revenue. Regulatory compliance is not optional.
We act as General Counsel for casinos and gaming commissions, providing guidance on NIGC compliance, compact obligations, patron disputes, vendor contracts, and internal controls. Our goal is seamless regulatory compliance that protects the gaming license and the Nation's reputation.
Explore Gaming ServicesSovereign Immunity is your most valuable asset. We meticulously review every agreement to prevent inadvertent waivers.
Read our deep dive into how recent federal decisions are shaping tribal civil jurisdiction.
We are ready to stand with you in federal, state, and tribal courts.