Muscogee (Creek) Nation v. City of Tulsa; Monroe Nichols IV, in his official capacity as Mayor of City of Tulsa; Dennis Larsen, in his official capacity as Chief of Police, Tulsa Police Department; Jack Blair, in his official capacity as City Attorney for City of Tulsa

CourtDistrict Court, N.D. Oklahoma
DecidedMarch 16, 2026
Docket4:23-cv-00490
StatusUnknown

This text of Muscogee (Creek) Nation v. City of Tulsa; Monroe Nichols IV, in his official capacity as Mayor of City of Tulsa; Dennis Larsen, in his official capacity as Chief of Police, Tulsa Police Department; Jack Blair, in his official capacity as City Attorney for City of Tulsa (Muscogee (Creek) Nation v. City of Tulsa; Monroe Nichols IV, in his official capacity as Mayor of City of Tulsa; Dennis Larsen, in his official capacity as Chief of Police, Tulsa Police Department; Jack Blair, in his official capacity as City Attorney for City of Tulsa) is published on Counsel Stack Legal Research, covering District Court, N.D. Oklahoma primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

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Muscogee (Creek) Nation v. City of Tulsa; Monroe Nichols IV, in his official capacity as Mayor of City of Tulsa; Dennis Larsen, in his official capacity as Chief of Police, Tulsa Police Department; Jack Blair, in his official capacity as City Attorney for City of Tulsa, (N.D. Okla. 2026).

Opinion

nited States District Court for the SQorthern District of Oklahoma

Case No. 23-cv-490-JDR-SH

MUSCOGEE (CREEK) NATION, a federally recognized Indian Tribe, Plaintiff, versus Ciry oF TULSA; MONROE NICHOLS IV, # his official capacity as Mayor of CITY OF TULSA; DENNIS LARSEN, in his official capacity as Chief of Police, TULSA POLICE DEPARTMENT; JACK BLAIR, 77 his of- ficial capacity as City Attorney for CITY OF TULSA, Defendants.

OPINION AND ORDER

The Muscogee (Creek) Nation sued the City of Tulsa, its Mayor, its Chief of Police, and its City Attorney seeking a declaratory judgment that Defendants lack criminal jurisdiction over Indians who commit traffic of- fenses within the Creek Reservation. Dkt. 2. The Nation also asked the Court to enjoin Defendants from exercising this jurisdiction without express author- ization from Congress. Dkt. 9. Defendants moved to dismiss, arguing that the action was premature because “the law regarding jurisdiction over Indians is unsettled, continually evolving, and the subject of several pending lawsuits in both state and federal courts.” Dkt. 28 at 6.' The parties settled their dispute and filed a stipulation of voluntary dismissal without prejudice. Dkt. 161. Prior to dismissal, but after the parties entered settlement negotia- tions, Oklahoma Governor Kevin Stitt, on behalf of the State of Oklahoma,

‘ All citations use CM/ECF pagination.

No. 23-cv-490

asked the Court to dismiss this case for lack of joinder, arguing that the State is a necessary and indispensable party that must be but cannot be joined ab- sent a waiver of sovereign immunity. Dkt. 127. In the alternative, the State moved to intervene as a matter of right. The Nation, the City, and the indi- vidual named parties oppose the State’s motion that, they claim, is mooted by the parties’ settlement. Dkts. 150, 152. After careful consideration, the Court, at a hearing on March 6, 2026, entered a “bottom line” order holding that the voluntary dismissal of this case does not moot the State’s motion and that the State of Oklahoma is not a necessary party, does not qualify for intervention as a matter of right, and does not qualify for permissive intervention. The Court therefore denied the State’s motion. The Court’s denial of the State’s motion and the parties’ stip- ulation of dismissal [Dkt. 161] moot all remaining motions. This Opinion and Order sets forth the reasons for the Court’s determinations. The Court closes the case. As a threshold issue, the Court considers whether the parties’ stipu- lation of dismissal [Dkt. 161] moots the State’s notice of mandatory joinder and motion to intervene. In general, a stipulation of dismissal by the parties moots most outstanding motions in a case. This is true about permissive mo- tions to intervene because “t]he fact that a motion to intervene is pending at the time the notice is filed does not affect the automatic dismissal provided for by Rule 41(a)(1)(A)(i) and (B).” Fort Sill Apache Tribe of Oklahoma ». United States, No. CIV-08-0541-F, 2008 WL 2891654, at *1 (W.D. Okla. July 23, 2008). But the State’s motion is not limited to permissive joinder. Instead, the State argues that the case cannot proceed without it, that it must be joined, and that it may intervene as a matter of right. Dkt. 127. “A court can allow ‘intervention as of right in a jurisdictionally and procedurally proper suit that

has been dismissed voluntarily,’ even when nothing is left before the district court.” DeOtte v. Nevada, 20 F.4th 1055, 1066 (5th Cir. 2021) (quoting Som- mers vy. Bank of Am., N.A., 835 F.3d 509, 513 n.5 (5th Cir. 2016)). Although the Tenth Circuit has not explicitly held that an order granting intervention as of right may be permissible even after a case is otherwise resolved, it has held that settlement does not moot an appeal of a denial of intervention as of right. Fed. Deposit Ins. Corp. v. Jennings, 816 F.2d 1488, 1491 (10th Cir. 1987) (hold- ing that the court had jurisdiction to consider the appeal because “‘if First Penn was entitled to intervention of right, Peat Marwick’s liability ... is still subject to determination at trial”). If settlement does not moot an appeal of an order denying intervention as of right, it follows that settlement cannot moot the underlying motion to intervene. See In re Brewer, 863 F.3d 861, 870 (D.C. Cir. 2017) (holding “if a motion to intervene can survive a case becom- ing otherwise moot, then so too can a motion to intervene survive a stipulated dismissal.”). And both a motion to intervene as of right and a notice of re- quired joinder fundamentally hinge on the same question: Whether the real party in interest to the litigation is a party in the case. The Court holds that the stipulation of dismissal does not moot the State’s notice of required join- der. At oral argument, the Nation argued that there was no longer a live dispute into which the State can intervene because the City has ceased pros- ecuting Muscogee tribal members within the boundaries of the Nation’s res- ervation. But according to the City, it still has jurisdiction to prosecute those members and has only agreed not to do so for policy reasons. So although the City has not recently brought a case against a tribal member, it still opposes the Nation’s core argument in its complaint and motion for preliminary in- junction. The fundamental disagreement at the heart of the dispute is still in play, and the case, and consequently the State’s notice and motion, is not mooted by changes in the City’s policy that could be undone.

No. 23-cv-490 The State argues it is a necessary and indispensable party and urges the Court to dismiss the case unless it is joined. It also argues that, if it is joined (as it purportedly must be), the case must be dismissed on sovereign immunity grounds. This presents an issue because there is no obvious differ- ence between the relief sought by the State and the one negotiated by the par- ties—dismissal. It is therefore unclear why the State must be permitted to intervene in order to obtain the relief the City has already obtained. And although the State argues that Oklahoma law precludes the City from entering into agreements that cede the State’s criminal jurisdiction, the State acknowledged at oral argument that the legality of the City’s agreement with the Nation under Oklahoma law is a matter for Oklahoma state courts, not this Court.” At most, the State argues that a dismissal of this case on the merits would notionally invalidate the settlement agreement, and a live set- tlement agreement would create unnecessary confusion for consideration of the issues in Oklahoma state court. But the State concedes that the City could, at least in theory, enter into an agreement with the Nation under the same terms it has agreed to in the current settlement; thus, even if the case were dismissed on sovereignty or other grounds, the State could be left with a nearly identical agreement that would likely create the same issues in any state-court proceedings. In the end, the State seeks the same relief that is being granted dis- missal, although the State requests dismissal on Eleventh Amendment grounds. Dkt. 127 at 14. This requested relief is fatal to the State’s argument that it is an indispensable party. The remedy the State seeks for being left out of the case is identical to the remedy the parties have negotiated: dismissal.

? The State is currently involved in litigation to prevent the City from entering into the settlement See Writ of Prohibition, State of Oklahoma ex rel. Stitt v.

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Muscogee (Creek) Nation v. City of Tulsa; Monroe Nichols IV, in his official capacity as Mayor of City of Tulsa; Dennis Larsen, in his official capacity as Chief of Police, Tulsa Police Department; Jack Blair, in his official capacity as City Attorney for City of Tulsa, Counsel Stack Legal Research, https://law.counselstack.com/opinion/muscogee-creek-nation-v-city-of-tulsa-monroe-nichols-iv-in-his-oknd-2026.