Reviewed case brief
Island of Palmas Case (Netherlands v United States of America)
(1928) 2 RIAA 829
## Summary
- Court
- Permanent Court of Arbitration
- Year
- 1928
- Subjects
- Public International Law
- Reviewed
- 2026-06-18
Rule established
Continuous and peaceful display of state authority is a stronger title to territory than discovery alone; discovery creates only an inchoate title that must be perfected by effective occupation.
Facts
Issues
Held
Ratio decidendi
How to use it in an exam
Editorial source
(1928) 2 RIAA 829; verified via Reports of International Arbitral Awards
Educational summary only. Read the reported judgment or an authorised law report before relying on the case professionally.