--- title: "Class v. United States" citation: "Class v. United States, 583 U.S. 174 (2018)" authority_id: "AUTH-SCOTUS-CLASS-583-US-174" authority_type: "case" jurisdiction: "federal_nationwide" precedential_status: "binding" official_url: "https://www.govinfo.gov/content/pkg/USREPORTS-583/pdf/USREPORTS-583-174.pdf" url: "https://jason93.com/legal/federal-process/authorities/AUTH-SCOTUS-CLASS-583-US-174/" legal_review: "2026-08-25" links_checked: "2026-10-15" links_available: 1 links_checked_count: 1 license: "CC BY 4.0" --- # Class v. United States ## Holding used A guilty plea by itself did not bar a direct constitutional attack on the statute of conviction that challenged government power without contradicting the charge, plea, or admitted facts. ## Material limitation The decision does not preserve all pre-plea claims and does not override an express agreement waiver or preservation requirement. ## Official source and pinpoints 583 U.S. 174, 180–87 (2018): ## Used in - [Plea Negotiations, Plea Agreements, and Rule 11](https://jason93.com/legal/federal-process/modules/30-plea-and-trial/plea-negotiations-agreements-and-rule-11.md) - [Criminal Appeal Notice, Jurisdiction, Waivers, and Record](https://jason93.com/legal/federal-process/modules/50-direct-review/notice-jurisdiction-and-record.md)