Parker v. District of Columbia (2007)
E734919
Parker v. District of Columbia (2007) is a landmark federal appellate court decision that struck down Washington, D.C.’s handgun ban and laid the groundwork for the Supreme Court’s recognition of an individual Second Amendment right in District of Columbia v. Heller.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Parker v. District of Columbia (2007) canonical | 1 |
| Parker v. District of Columbia, 478 F.3d 370 (D.C. Cir. 2007) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8451702 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Parker v. District of Columbia (2007) Context triple: [Laurence Silberman, notableCase, Parker v. District of Columbia (2007)]
-
A.
Berman v. Parker
Berman v. Parker is a landmark 1954 U.S. Supreme Court case that broadly interpreted the government’s power of eminent domain under the Fifth Amendment to allow property takings for comprehensive redevelopment and public-purpose projects.
-
B.
Parker v. Davis
Parker v. Davis was a post–Civil War U.S. Supreme Court case that addressed the constitutionality of making paper money legal tender for preexisting debts under the Legal Tender Acts.
-
C.
County of Allegheny v. ACLU
County of Allegheny v. ACLU is a 1989 U.S. Supreme Court case that refined the interpretation of the Establishment Clause by addressing the constitutionality of religious holiday displays on government property.
-
D.
Cheney v. U.S. District Court for the District of Columbia
Cheney v. U.S. District Court for the District of Columbia is a 2004 U.S. Supreme Court case in which the Court limited judicial intrusion into the executive branch’s internal deliberations, particularly regarding Vice President Dick Cheney’s energy task force records.
-
E.
Green v. Biddle
Green v. Biddle was an 1823 U.S. Supreme Court case that addressed the constitutionality of Kentucky land laws under the Contracts Clause, with an influential opinion authored by Justice Bushrod Washington.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Parker v. District of Columbia (2007) Target entity description: Parker v. District of Columbia (2007) is a landmark federal appellate court decision that struck down Washington, D.C.’s handgun ban and laid the groundwork for the Supreme Court’s recognition of an individual Second Amendment right in District of Columbia v. Heller.
-
A.
Berman v. Parker
Berman v. Parker is a landmark 1954 U.S. Supreme Court case that broadly interpreted the government’s power of eminent domain under the Fifth Amendment to allow property takings for comprehensive redevelopment and public-purpose projects.
-
B.
Parker v. Davis
Parker v. Davis was a post–Civil War U.S. Supreme Court case that addressed the constitutionality of making paper money legal tender for preexisting debts under the Legal Tender Acts.
-
C.
County of Allegheny v. ACLU
County of Allegheny v. ACLU is a 1989 U.S. Supreme Court case that refined the interpretation of the Establishment Clause by addressing the constitutionality of religious holiday displays on government property.
-
D.
Cheney v. U.S. District Court for the District of Columbia
Cheney v. U.S. District Court for the District of Columbia is a 2004 U.S. Supreme Court case in which the Court limited judicial intrusion into the executive branch’s internal deliberations, particularly regarding Vice President Dick Cheney’s energy task force records.
-
E.
Green v. Biddle
Green v. Biddle was an 1823 U.S. Supreme Court case that addressed the constitutionality of Kentucky land laws under the Contracts Clause, with an influential opinion authored by Justice Bushrod Washington.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Second Amendment case
ⓘ
United States federal appellate court case ⓘ landmark court decision ⓘ |
| affects |
federal constitutional law on firearms
ⓘ
gun control laws in the District of Columbia ⓘ |
| appellateOutcome | district court judgment reversed in part ⓘ |
| challengesLaw |
D.C. requirement that firearms in the home be kept unloaded and disassembled or bound by a trigger lock
ⓘ
District of Columbia handgun ban ⓘ |
| citationStyle |
Parker v. District of Columbia, 478 F.3d 370 (D.C. Cir. 2007)
ⓘ
linked to:
Parker v. District of Columbia (2007)
|
| directlyLeadsTo | District of Columbia v. Heller ⓘ |
| dissentReason | plaintiffs lacked standing to challenge the D.C. gun laws ⓘ |
| hasCitation | 478 F.3d 370 ⓘ |
| hasCourt | United States Court of Appeals for the District of Columbia Circuit ⓘ |
| hasDecisionDate | March 9, 2007 ⓘ |
| hasDefendant | District of Columbia ⓘ |
| hasDissentBy | Karen LeCraft Henderson ⓘ |
| hasJurisdiction | District of Columbia Circuit ⓘ |
| hasMajorityOpinionBy |
Judge Laurence H. Silberman
ⓘ
linked to:
Judge Laurence Silberman
|
| hasMajorityOpinionJoinedBy | Thomas B. Griffith NERFINISHED ⓘ |
| hasPanelJudge |
Karen LeCraft Henderson
ⓘ
Laurence H. Silberman ⓘ
linked to:
Laurence Hirsch Silberman
Thomas B. Griffith NERFINISHED ⓘ |
| hasPlaintiff |
Shelly Parker
ⓘ
other D.C. residents ⓘ |
| hasProceduralPosture | appeal from the United States District Court for the District of Columbia ⓘ |
| hasSubjectMatter | Second Amendment to the United States Constitution ⓘ |
| hasSubsequentCaseName | District of Columbia v. Heller ⓘ |
| hasSubsequentHistory | appeal taken to the United States Supreme Court ⓘ |
| hasYear | 2007 ⓘ |
| held |
D.C. requirements that firearms in the home be kept nonfunctional violate the Second Amendment
ⓘ
the District of Columbia’s handgun ban violates the Second Amendment ⓘ the Second Amendment protects an individual right to keep and bear arms ⓘ |
| influenced | Supreme Court’s recognition of an individual Second Amendment right in District of Columbia v. Heller ⓘ |
| interprets | Second Amendment as securing an individual right unconnected with militia service ⓘ |
| involvesConstitutionalProvision | Second Amendment ⓘ |
| involvesLocation | Washington, D.C. ⓘ |
| isLandmarkFor |
gun rights jurisprudence in the United States
ⓘ
individual-right interpretation of the Second Amendment ⓘ |
| lowerCourtDecision | United States District Court for the District of Columbia upheld the D.C. gun laws ⓘ |
| precedentFor | District of Columbia v. Heller ⓘ |
| rejectsInterpretation | collective-rights-only view of the Second Amendment ⓘ |
| result |
D.C. handgun ban struck down as unconstitutional
ⓘ
D.C. storage requirements for firearms struck down as unconstitutional ⓘ |
| topic |
constitutionality of handgun bans
ⓘ
scope of the right to keep and bear arms ⓘ |
| wasAffirmedAsToResultIn | District of Columbia v. Heller ⓘ |
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: Parker v. District of Columbia (2007) Description of subject: Parker v. District of Columbia (2007) is a landmark federal appellate court decision that struck down Washington, D.C.’s handgun ban and laid the groundwork for the Supreme Court’s recognition of an individual Second Amendment right in District of Columbia v. Heller.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Judge Laurence Silberman
Parker v. District of Columbia (2007)
→
citationStyle
→
Parker v. District of Columbia, 478 F.3d 370 (D.C. Cir. 2007)
ⓘ
linked to: Parker v. District of Columbia (2007)