GCHQ case
E729433
The GCHQ case is a landmark 1984 UK public law decision that clarified the scope of judicial review over the exercise of prerogative powers by the executive.
All labels observed (1)
| Label | Occurrences |
|---|---|
| GCHQ case canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8371501 — 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: GCHQ case Context triple: [Council of Civil Service Unions v Minister for the Civil Service, alsoKnownAs, GCHQ case]
-
A.
Coppergate
Coppergate is a historic street in the centre of York, England, known for its Viking-age archaeological discoveries and modern shopping area.
-
B.
Galgate
Galgate is a village in Lancashire, England, situated just south of the city of Lancaster.
-
C.
Sandgate
Sandgate is a coastal village and suburb in Kent, England, known for its shingle beach, historic seafront, and proximity to the town of Folkestone.
-
D.
Sandgate
Sandgate is a railway station serving the suburb of Sandgate in the Newcastle region of New South Wales, Australia.
-
E.
PRISM surveillance program
The PRISM surveillance program is a classified U.S. National Security Agency data-collection initiative that gathers and analyzes digital communications from major internet companies for intelligence purposes.
- 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: GCHQ case Target entity description: The GCHQ case is a landmark 1984 UK public law decision that clarified the scope of judicial review over the exercise of prerogative powers by the executive.
-
A.
Coppergate
Coppergate is a historic street in the centre of York, England, known for its Viking-age archaeological discoveries and modern shopping area.
-
B.
Galgate
Galgate is a village in Lancashire, England, situated just south of the city of Lancaster.
-
C.
Sandgate
Sandgate is a coastal village and suburb in Kent, England, known for its shingle beach, historic seafront, and proximity to the town of Folkestone.
-
D.
Sandgate
Sandgate is a railway station serving the suburb of Sandgate in the Newcastle region of New South Wales, Australia.
-
E.
PRISM surveillance program
The PRISM surveillance program is a classified U.S. National Security Agency data-collection initiative that gathers and analyzes digital communications from major internet companies for intelligence purposes.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
United Kingdom public law case
ⓘ
judicial review case ⓘ |
| alsoKnownAs |
CCSU v Minister for the Civil Service
ⓘ
GCHQ trade union ban case ⓘ
linked to:
CCSU v GCHQ
|
| areaOfLaw |
administrative law
ⓘ
public law ⓘ |
| citation |
[1984] 3 All ER 935
ⓘ
[1984] 3 WLR 1174 ⓘ [1985] AC 374 ⓘ |
| concerns |
duty to consult
ⓘ
judicial review of prerogative powers ⓘ national security and justiciability ⓘ procedural legitimate expectation ⓘ scope of judicial review ⓘ |
| country | United Kingdom ⓘ |
| court |
Appellate Committee of the House of Lords
ⓘ
linked to:
Judicial Committee of the House of Lords
|
| decisionDate | 22 November 1984 ⓘ |
| decisionYear | 1984 ⓘ |
| defines | grounds of illegality, irrationality and procedural impropriety ⓘ |
| famousFor | formulating the modern tripartite grounds of judicial review ⓘ |
| hasFullName | Council of Civil Service Unions v Minister for the Civil Service ⓘ |
| hasKeyword |
judicial review
ⓘ
legitimate expectation ⓘ national security ⓘ prerogative powers ⓘ procedural fairness ⓘ |
| holding |
a legitimate expectation of consultation existed but was overridden by national security
ⓘ
judicial review depends on the subject matter, not the source, of the power ⓘ national security can justify limiting procedural fairness ⓘ prerogative powers are in principle reviewable by the courts ⓘ |
| influenced |
development of UK administrative law
ⓘ
later cases on legitimate expectation ⓘ later cases on reviewability of prerogative powers ⓘ |
| involvedBody | Government Communications Headquarters ⓘ |
| involvedParty |
Council of Civil Service Unions
ⓘ
Minister for the Civil Service ⓘ |
| jurisdiction | United Kingdom ⓘ |
| languageOfProceedings | English ⓘ |
| leadingJudge |
Lord Brightman
ⓘ
Lord Diplock ⓘ Lord Fraser of Tullybelton ⓘ Lord Roskill ⓘ Lord Scarman ⓘ |
| legalIssue |
existence and scope of legitimate expectation
ⓘ
whether national security can exclude judicial review ⓘ whether prerogative powers are subject to judicial review ⓘ |
| subjectMatter | ban on trade union membership at GCHQ ⓘ |
| timePeriod | 20th century ⓘ |
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: GCHQ case Description of subject: The GCHQ case is a landmark 1984 UK public law decision that clarified the scope of judicial review over the exercise of prerogative powers by the executive.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.