--- title: "Peugh v. United States" citation: "569 U.S. 530 (2013)" authority_id: "AUTH-SCOTUS-PEUGH-569-US-530" authority_type: "case" jurisdiction: "federal_nationwide" precedential_status: "binding" official_url: "https://www.govinfo.gov/content/pkg/USREPORTS-569/pdf/USREPORTS-569-530.pdf" url: "https://jason93.com/legal/federal-process/authorities/AUTH-SCOTUS-PEUGH-569-US-530/" legal_review: "2026-08-25" links_checked: "2026-10-15" links_available: 1 links_checked_count: 1 license: "CC BY 4.0" --- # Peugh v. United States ## Holding or rule used Ex Post Facto Clause bars a later manual creating significant risk of a higher sentence. ## Material limitation Use only for the bounded proposition in the linked canonical module; offense-specific, record-specific, circuit-specific, later-proceeding, and negative-treatment questions remain separate where identified. ## Official source and pinpoints 569 U.S. 530 (2013), 569 U.S. 533, 544–50: ## Used in - [Presentence Investigation, Guidelines, and Sentencing Hearing](https://jason93.com/legal/federal-process/modules/40-sentencing/presentence-guidelines-and-sentencing-hearing.md)