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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.

Introducing the new General Editor of MPEPIL

Professor Anne Peters, the director at the Max Planck Institute for Comparative Public Law and International Law, takes over as the General editor of the Max Planck Encyclopedia of Public International Law from Professor Rüdiger Wolfrum.




Site News

March 4, 2021

New Titles

1 new title has been added to OSAIL

March 2, 2021

New Headnotes

3 updated and 2 new headnotes have been added to Oxford International Organizations.

February 28, 2021

New Cases

11 new cases have been added to ORIL.

February 15, 2021


12 updated and 3 new articles are now available on MPEPIL.