Free diagnostic quiz

Start with 20 free questions right away. Use the explanations to spot weak rules fast, then move to case briefs, flashcards, and IRAC practice only where you need them.

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20
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70%
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public international law diagnostic setQuestion 1 of 20

Which of the following is required for a rule to become customary international law?

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Public International Law Practice Exam

Practice Public International Law exam questions covering core doctrines, issue spotting, applied analysis, and exam-ready explanations.

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50
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Flashcard deck

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Public International Law Practice Exam flashcards

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Subject mind map

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163 mapped nodes
Public International Law Practice Exam

Selected branch

Sources of International Law

Coverage areas

Selected node

Customary international law: formation and evidence (state practice, opinio juris)

Case brief library

Each brief is structured for study: authority, status, jurisdiction, relevance, and exam use.

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North Sea Continental Shelf Cases (Federal Republic of Germany v. Denmark; Federal Republic of Germany v. Netherlands)

ICJ Rep 1969, p. 3

good law
Jurisdiction
International
Relevance
Whether the equidistance principle in Article 6 of the Geneva Convention on the Continental Shelf had become a rule of customary international law binding on Germany.
Exam use

North Sea Continental Shelf Cases (Federal Republic of Germany v. Denmark; Federal Republic of Germany v. Netherlands)

ICJ Rep 1969, p. 3

good law
Jurisdiction
International
Relevance
Whether the equidistance method of delimitation in the 1958 Geneva Convention on the Continental Shelf had become customary international law.
Exam use

Reparation for Injuries Suffered in the Service of the United Nations

ICJ Rep 1949, p. 174

good law
Jurisdiction
International – UN
Relevance
Whether the United Nations has the capacity to bring an international claim against a state for injuries suffered by its agents.
Exam use

The Paquete Habana

175 U.S. 677

good law
Jurisdiction
United States
Relevance
Whether coastal fishing vessels engaged in small-scale fishing were exempt from capture as prize under customary international law.
Exam use

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