United States v. Patterson — Affirmed Sentence, Finding Harmless Error on ACCA Enhancement

Case
United States v. James Calvin Patterson
Court
U.S. Court of Appeals for the Ninth Circuit
Judge
MARSHA S. BERZON (William J. Clinton, 2000); Jacqueline H. Nguyen (Barack Obama, 2012); Eric D. Miller (Donald Trump, 2019)
Date Decided
July 27, 2026
Docket No.
22-30088
Topics
Criminal Law, Sentencing, Armed Career Criminal Act (ACCA), Apprendi Doctrine
Source
Read the full opinion

Background

James Patterson pleaded guilty to being a felon in possession of a firearm. At sentencing, the district court applied the Armed Career Criminal Act (ACCA), which mandates a 15-year minimum sentence for individuals with at least three prior convictions for a “violent felony” committed on “occasions different from one another.” The government argued that Patterson’s prior Oregon state convictions—a 1996 third-degree assault and two strangulation convictions from 2014 and 2017—qualified as ACCA predicates.

The district court agreed, finding the prior convictions were violent felonies committed on different occasions. It sentenced Patterson to the 180-month mandatory minimum. Patterson appealed, arguing that his sentence was unconstitutional. First, he contended that under Apprendi v. New Jersey, the question of whether his prior offenses were committed on “different occasions” was a fact that must be found by a jury, not a judge. Second, he argued that his prior Oregon convictions for third-degree assault and strangulation do not qualify as “violent felonies” under the ACCA’s definition.

The Court’s Holding

The Ninth Circuit affirmed the sentence. The court first addressed the constitutional challenge. Citing the Supreme Court’s recent decision in Erlinger v. United States, the panel agreed with Patterson that the district court had committed an Apprendi error. The finding that prior offenses occurred on “different occasions” is a factual determination that increases the statutory minimum and maximum sentence, and therefore must be submitted to a jury and proven beyond a reasonable doubt. The judge’s unilateral finding violated Patterson’s Fifth and Sixth Amendment rights.

However, the court concluded that this error was harmless beyond a reasonable doubt. The panel found that the record contained “overwhelming” and “uncontroverted” evidence that the offenses occurred on different occasions. The convictions in question were from 1996, 2014, and 2017. Given the multi-year gaps between the crimes, the court was confident that no reasonable jury could have found they were part of a single criminal episode. Patterson’s speculation that the acts might have been closer in time was contradicted by undisputed dates in the indictments and presentence report.

The court then rejected Patterson’s arguments that his prior convictions were not “violent felonies.” Applying the categorical and modified categorical approaches, the panel held that Oregon’s third-degree assault and strangulation statutes both qualify as ACCA predicates. It dismissed Patterson’s claims that the assault statute was overbroad due to its accomplice liability provisions or because it did not require a knowing causation of injury, finding that the statute’s elements met the federal standard for the use of violent physical force.

Key Takeaways

  • Following the Supreme Court’s ruling in Erlinger v. United States, it is a constitutional error for a judge, rather than a jury, to determine whether a defendant’s prior convictions were committed on “different occasions” for purposes of an ACCA sentence enhancement.
  • An Apprendi error in the ACCA “different occasions” context is subject to harmless-error review. The error will be deemed harmless if the record contains “overwhelming and uncontroverted” evidence—such as crimes committed years apart—that the offenses occurred on separate occasions.
  • An Oregon conviction for third-degree assault under Or. Rev. Stat. § 163.165(1)(e) is a “violent felony” under the ACCA. The court clarified that Oregon’s accomplice liability statute requires intent and is not a basis for finding the assault statute overbroad.

Why It Matters

This decision is a direct application of the Supreme Court’s 2024 ruling in Erlinger v. United States, confirming that the “different occasions” inquiry under the ACCA is a factual question for the jury. The opinion solidifies that while an Erlinger violation is a clear constitutional error, it will not automatically result in a new sentencing hearing. The Ninth Circuit sets a high practical bar for defendants seeking relief by rigorously applying harmless-error analysis.

For defense attorneys and prosecutors, this case underscores the critical nature of the sentencing record. Even when a defendant’s Sixth Amendment rights are violated, an appellate court can and will affirm the sentence if the evidence supporting the enhancement (like the dates of prior offenses) is overwhelming and was not contested below. The ruling provides a clear signal that challenges to ACCA enhancements will fail on appeal if the predicate offenses are separated by significant periods, regardless of who made the initial “different occasions” finding.

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