Duncan v. Louisiana

E177751

U.S. Supreme Court case criminal procedure case incorporation doctrine case

Duncan v. Louisiana is a 1968 U.S. Supreme Court decision that held the Sixth Amendment right to a jury trial in criminal cases applies to the states through the Fourteenth Amendment.

Try in SPARQL Jump to: Surface forms Statements Referenced by

All labels observed (3)

Label	Occurrences
Duncan v. Louisiana canonical	5
Duncan v. Louisiana, 391 U.S. 145 (1968)	1
State v. Duncan, 250 La. 253, 195 So.2d 142 (La. 1967)	1

Statements (50)

Predicate	Object
instanceOf	U.S. Supreme Court case ⓘ criminal procedure case ⓘ incorporation doctrine case ⓘ
appliesTo	state criminal prosecutions ⓘ
areaOfLaw	constitutional law ⓘ criminal procedure ⓘ
arguedDate	1967-10-18 ⓘ
citation	391 U.S. 145 ⓘ
clarified	that petty offenses need not be tried by jury under the Constitution. ⓘ
concurrenceBy	John M. Harlan II ⓘ Potter Stewart ⓘ
constitutionalProvision	Fourteenth Amendment ⓘ surface form: Fourteenth Amendment to the United States Constitution U.S. Constitution, Sixth Amendment ⓘ surface form: Sixth Amendment to the United States Constitution
country	United States of America ⓘ surface form: United States
court	Supreme Court of the United States ⓘ
crimeCharged	simple battery ⓘ
decisionDate	1968-05-20 ⓘ
dissentBy	Abe Fortas ⓘ surface form: Abe Fortas (in part) Hugo L. Black ⓘ Thurgood Marshall ⓘ surface form: Thurgood Marshall (in part) William J. Brennan Jr. ⓘ
fullName	Duncan v. Louisiana self-linksurface differs ⓘ surface form: Duncan v. Louisiana, 391 U.S. 145 (1968)
holding	The Sixth Amendment right to a jury trial in serious criminal cases is fundamental to the American scheme of justice and is applicable to the states through the Fourteenth Amendment Due Process Clause. ⓘ
issue	Whether the Fourteenth Amendment guarantees a right to jury trial in state criminal prosecutions for serious offenses. ⓘ
joinedByMajority	Abe Fortas ⓘ Earl Warren ⓘ John M. Harlan II ⓘ surface form: John M. Harlan II (in part) Potter Stewart ⓘ Thurgood Marshall ⓘ William O. Douglas ⓘ
jurisdiction	Louisiana ⓘ surface form: State of Louisiana
legalPrinciple	selective incorporation of the Sixth Amendment jury trial right ⓘ
majorityOpinionBy	Byron R. White ⓘ
maximumPenaltyAtIssue	two years imprisonment ⓘ
page	145 ⓘ
petitioner	Gary Duncan ⓘ
priorHistory	Duncan v. Louisiana self-linksurface differs ⓘ surface form: State v. Duncan, 250 La. 253, 195 So.2d 142 (La. 1967)
proceduralPosture	Defendant convicted of simple battery in Louisiana state court without a jury trial. ⓘ
rearguedDate	1968-01-17 ⓘ
relatedCase	Benton v. Maryland ⓘ In re Kemmler ⓘ Malloy v. Hogan ⓘ Palko v. Connecticut ⓘ
relatedConcept	due process ⓘ fundamental rights ⓘ right to jury trial ⓘ
reporter	United States Reports ⓘ
respondent	Louisiana ⓘ surface form: State of Louisiana
result	Judgment of the Louisiana courts reversed. ⓘ
volume	391 ⓘ

How these facts were elicited

The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.

Instruction

You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10.

# Requirements
- If you don't know the subject at all, return an empty list.
- If the subject is not a named entity, return an empty list.
- Include at least one triple where predicate is "instanceOf".
- Do not get too wordy.
- Separate several objects into multiple triples with one object.

Input

Subject: Duncan v. Louisiana
Description of subject: Duncan v. Louisiana is a 1968 U.S. Supreme Court decision that held the Sixth Amendment right to a jury trial in criminal cases applies to the states through the Fourteenth Amendment.

Referenced by (7)

Full triples — surface form annotated when it differs from this entity's canonical label.

Incorporation doctrine → keyCase → Duncan v. Louisiana ⓘ

U.S. Constitution, Sixth Amendment → interpretedByCase → Duncan v. Louisiana ⓘ

subject surface form: Sixth Amendment to the United States Constitution

Palko v. Connecticut → relatedCase → Duncan v. Louisiana ⓘ

Barron v. Baltimore → relatedCase → Duncan v. Louisiana ⓘ

Duncan v. Louisiana → fullName → Duncan v. Louisiana self-linksurface differs ⓘ

this entity surface form: Duncan v. Louisiana, 391 U.S. 145 (1968)

Duncan v. Louisiana → priorHistory → Duncan v. Louisiana self-linksurface differs ⓘ

this entity surface form: State v. Duncan, 250 La. 253, 195 So.2d 142 (La. 1967)

Benton v. Maryland → relatedCase → Duncan v. Louisiana ⓘ