Osage Nation v. OTC

  1. March 28, 2025

    US Can Weigh In On Osage Reservation Boundary Dispute

    An Oklahoma federal judge will allow the United States to weigh in on a dispute between the Osage Nation and the state's tax commission over the tribe's reservation boundaries after the federal government said a U.S. Supreme Court ruling at the crux of the litigation is of interest to the government.

  2. February 24, 2025

    Osage Reservation Boundary Case Is Meritless, Court Told

    Oklahoma Tax Commission officials are urging a federal district court to dismiss a motion by the Osage Nation that seeks acknowledgment of its reservation's continued existence, arguing that the decades-old case arises out of the tribe's attempt to avoid state taxation of its members.

  3. January 07, 2025

    Osage Nation Asks Court To Confirm Reservation Boundaries

    The Osage Nation has urged an Oklahoma federal court to acknowledge its reservation's continued existence, arguing that a conclusion the Tenth Circuit reached 15 years ago saying the tribe's boundaries were disestablished was based entirely on extratextual factors.