Welcome to Oxford Public International Law

Oxford Public International Law (OPIL) is a comprehensive, single location providing integrated access across our international law services, bringing you one step closer to the perfect research solution.

Our ground-breaking online resources work to speed up research and provide easy access to authoritative content, essential for anyone working in international law.

Open Access and the Max Planck Encyclopedias of International Law

We are excited to share that we have reached our goal for renewals, and the Max Planck Encyclopedias of International Law has now been converted to a Subscribe to Open model.

Find out more about this groundbreaking initative.