Changing a plea deal
Kernan v. Michael Daniel Cuero
In brief
The Supreme Court overturned the Ninth Circuit's ruling and returned Cuero's case to that court.
- Where it stands
- Decided
Decided 9-0 · November 6, 2017 · Opinion by Justice Curiam
- What it’s about
- The Supreme Court overturned the Ninth Circuit and sent the case back to the lower court (remanded), ruling that its earlier decisions did not clearly establish that a state court must impose the lower sentence Cuero expected under his plea deal in a federal challenge to his state sentence.
- Who it affects
- The order sends Cuero's challenge to his California sentence back to the Ninth Circuit for another look.
Summary: written with AI from the case record.

What it's about
The dispute followed California’s change to the charges to seek a higher sentence and Cuero’s request for the lower sentence.
California changed its complaint to seek a higher sentence than Cuero expected under his plea deal; Cuero sought the lower sentence.
Cuero challenged his state sentence in federal court, raising whether his plea deal required the state court to impose the lower sentence.
Question presented
Is it “clearly established” federal law that a state court must impose a lower sentence that the parties originally agreed upon, rather allowing the state to amend its complaint to seek a higher sentence and the defendant to withdraw his guilty plea—such that a federal appeals court sitting in habeas proceedings can set aside the sentence of a state court for not applying that law?
What the Court decided
Holding
Petition for certiorari GRANTED, Judgment REVERSED and case REMANDED. Opinion per curiam. (Detached Opinion ).
- Result
- Reversed
The vote
What's next
The Ninth Circuit will consider Cuero's case again. The disposition does not specify what result it must reach.
Docket activity
New analysis added
AI analysis generated: Case Briefing
AI analysis generated: Decision Record
Case data updated: summary, question_presented, generation_metadata
Case data updated: question_presented, extraction_metadata
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Opinion added: Kernan
Opinion added: Opinion
Sources
Primary materials plus reporting. Best-effort analysis: this explainer relies on a mix of primary materials and trusted secondary sources. Official filings and opinions remain authoritative.