Alfonso Lopez, Jr.
E57170
Alfonso Lopez, Jr. is the high school student whose challenge to a federal gun-possession law led to the landmark 1995 U.S. Supreme Court case United States v. Lopez, which limited Congress’s power under the Commerce Clause.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Alfonso Lopez Jr. | 1 |
| Alfonso Lopez, Jr. canonical | 1 |
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
high school student
ⓘ
person ⓘ |
| allegedConduct | brought a concealed handgun to his high school ⓘ |
| areaOfLaw |
constitutional law
ⓘ
criminal law ⓘ federalism ⓘ |
| associatedCourt | Supreme Court of the United States ⓘ |
| associatedJurisdiction |
federal judiciary of the United States
ⓘ
surface form:
United States federal courts
|
| associatedWith |
Gun-Free School Zones Act of 1990, 18 U.S.C. § 922(q)
ⓘ
surface form:
Gun-Free School Zones Act litigation
|
| caseCitation |
United States v. Lopez
ⓘ
surface form:
United States v. Lopez, 514 U.S. 549 (1995)
|
| caseDecisionYear | 1995 ⓘ |
| caseEscalatedTo |
Supreme Court of the United States
ⓘ
United States Court of Appeals for the Fifth Circuit ⓘ |
| caseOutcomeForLaw | Gun-Free School Zones Act of 1990 held unconstitutional as exceeding Commerce Clause power ⓘ |
| caseType |
constitutional challenge to federal statute
ⓘ
federal criminal prosecution ⓘ |
| challenged |
Gun-Free School Zones Act of 1990, 18 U.S.C. § 922(q)
ⓘ
surface form:
Gun-Free School Zones Act of 1990
|
| chargedUnder |
Gun-Free School Zones Act of 1990, 18 U.S.C. § 922(q)
ⓘ
surface form:
Gun-Free School Zones Act of 1990
|
| constitutionalProvisionInvolved |
Article I, Section 8, Clause 3 of the United States Constitution
ⓘ
surface form:
Article I, Section 8, Clause 3 of the U.S. Constitution
Commerce Clause ⓘ
surface form:
Commerce Clause of the U.S. Constitution
|
| countryOfCitizenship | United States of America ⓘ |
| educationContext | attended a public high school in Texas ⓘ |
| historicalSignificance | central figure in first case in decades to limit Congress’s Commerce Clause authority ⓘ |
| influenced |
cases limiting federal criminal jurisdiction based on Commerce Clause
ⓘ
subsequent Commerce Clause jurisprudence ⓘ |
| legalDoctrineImpacted |
congressional power to regulate non-economic activity
ⓘ
substantial effects test under the Commerce Clause ⓘ |
| legalIssueRaised |
limits on congressional power under the Commerce Clause
ⓘ
scope of the Commerce Clause ⓘ |
| legalStatusAfterSupremeCourt | Supreme Court affirmed reversal of conviction ⓘ |
| legalStatusInCase | conviction initially obtained in federal district court ⓘ |
| legalStatusOnAppeal | conviction reversed by the Fifth Circuit Court of Appeals ⓘ |
| levelOfCourtFirstHeard | federal district court ⓘ |
| mentionedIn |
constitutional law casebooks
ⓘ
federal courts and jurisdiction casebooks ⓘ |
| notableFor | being the respondent in United States v. Lopez ⓘ |
| occupation | student ⓘ |
| partyTo | United States v. Lopez ⓘ |
| placeOfActivity |
San Antonio
ⓘ
surface form:
San Antonio, Texas
|
| roleInCase | respondent ⓘ |
| timePeriodOfNotability | early 1990s ⓘ |
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: Alfonso Lopez, Jr. Description of subject: Alfonso Lopez, Jr. is the high school student whose challenge to a federal gun-possession law led to the landmark 1995 U.S. Supreme Court case United States v. Lopez, which limited Congress’s power under the Commerce Clause.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Alfonso Lopez Jr.