October Term 2018 · Docket 17-1107

Did Oklahoma statehood end tribal sovereignty over eastern lands?

The dispute centers on whether Congress ended tribal sovereignty when it created Oklahoma.

Official caption
Carpenter v. Murphy
Latest argument session
Latest official Court activity
Latest verified event
Argued
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Official Transcript

Verified source milestones

  1. — An official oral-argument transcript was verified.
  2. — An official oral-argument transcript was verified.

The arguments, in order

This case may have been argued more than once. Each entry below uses that session's official transcript. Later arguments do not erase earlier ones.

  1. Argument 1 ·

    What happened at the argument

    the side that brought the case claims Congress destroyed reservation features during the path to statehood.

    the opposing side claims the lower court correctly applied the text of the laws.

    the side that brought the case argues the lower court decision should be overturned.

    the opposing side argues the lower court decision should stand.

    Read the official transcript for this argument · Official argument details

    Sources used for this argument breakdown

A citizen's guide to the whole case

What this case is about

This case asks if eastern Oklahoma remains an Indian reservation. The answer changes who controls criminal law there.

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How the case got here

The Supreme Court heard oral argument in this case on November 27, 2018.

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What each side wants

the side that brought the case wants the court to find the land is not a reservation.

the opposing side wants the court to find the land is a reservation.

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What each side says

the side that brought the case argues Congress ended all tribal sovereignty before statehood.

the opposing side argues the text of the laws preserves tribal sovereignty.

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What the justices asked

Justice Breyer asked if presidential approval of tribal laws ends sovereignty.

Justice Sotomayor asked for the exact date sovereignty ended, if it did.

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Why it matters

The outcome determines which government controls criminal law in eastern Oklahoma. It defines the scope of tribal power in the region.

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What happens next

This article currently covers the argument record. Use the official docket link for later case activity.

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Official Court provenance

Official docket and case history · Official Supreme Court oral-argument detail page

Title and summary sources

Revision history

  1. Revision 1 · Official Transcript ·

    Correction: Rewritten to the concise citizen-facing editorial standard.

  2. Revision 2 · Official Transcript ·

    Correction: Migrated to the dated official Court activity contract without model use.

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