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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

April 1, 2021


Four new articles are now available on MPEPIL.

March 30, 2021

New Headnotes

3 new headnotes have been added to Oxford International Organizations.

March 30, 2021

New Cases

Oxford Reports on International Law adds 58 new cases.

March 22, 2021

MPEiPro Update

Twenty-nine new articles have been added to the Max Planck Encyclopedia of International Procedural Law.