Reviewed case brief
North Sea Continental Shelf Cases (Federal Republic of Germany v Denmark; Federal Republic of Germany v Netherlands)
ICJ Reports 1969, p 3
## Summary
- Court
- International Court of Justice
- Year
- 1969
- Subjects
- Public International Law
- Reviewed
- 2026-06-18
Rule established
A treaty rule crystallises into customary international law only if norm-creating in character and followed by widespread, representative state practice accompanied by opinio juris sive necessitatis.
Facts
Issues
Held
Ratio decidendi
How to use it in an exam
Editorial source
ICJ Reports 1969, p 3; verified via ICJ database
Educational summary only. Read the reported judgment or an authorised law report before relying on the case professionally.