Related Content

More Like This

Show all results sharing these subjects:

  • Law
  • International Law

GO

Show Summary Details

Overview

opinio juris


Quick Reference

[Latin, from opinio juris sive necessitatis (whether the opinion of law is compulsory)]

An essential element of custom, one of the four sources of international law as outlined in the Statute of the International Court of Justice. Opinio juris requires that custom should be regarded as state practice amounting to a legal obligation, which distinguishes it from mere usage.

Subjects: LawInternational Law


Reference entries