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Harmless error in criminal trials

Delgado v. Horn

Updated Nov 11, 2026

In brief

Where it stands
Petition Pending

Awaiting an order on the petition

No decision timeline until the Court agrees to hear the case.

What it’s about
Fernando Delgado filed a petition asking the Supreme Court to review whether the Ninth Circuit’s analysis of harm in his case conflicts with earlier Supreme Court decisions in Chapman, Van Arsdall, and Neder.
What's at stake
Delgado’s request for Supreme Court review remains unresolved; the Court has not ruled on whether the Ninth Circuit’s analysis conflicted with its earlier decisions.

Summary: written with AI from the case record.

What it's about

The petition concerns how courts assess whether an error harmed a person’s case, citing decisions in Chapman, Van Arsdall and Neder.

Question presented

Is the Ninth Circuit's prejudice analysis in conflict with this Court's decisions in Chapman v. California, 386 U.S. 18 (1967), Delaware v. Van Arsdall, 475 U.S. 673 (1986), and Neder v. United States, 527 U.S. 1 (1999)?

What happens next

The Court must decide whether to hear the case. No oral argument or decision date is scheduled.

Documents

1

Docket activity

5
  • New analysis added

    Nov 11, 2026 · Court records

  • AI analysis generated: Case Briefing

    Nov 11, 2026 · Generated

  • Case data updated: summary, question_presented, generation_metadata

    Nov 11, 2026 · Court records

  • Case data updated: question_presented, extraction_metadata

    Nov 11, 2026 · Court records

  • Brief added: Petition

    Nov 2, 2026 · Court records

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.

Checked Nov 11, 2026Methodology

Court records and filings

Reporting and analysis