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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.

Celebrating MPEiPro 500th Article

Since its inception, Max Planck Encyclopedia of International Procedural Law has provided pioneering and meticulously peer-reviewed research on areas of international law that are often under-explored. Today, we proudly celebrate the publication of the Encyclopedia’s 500th article. To celebrate the success of this important milestone, we have collated key articles contained within MPEiPro and made them freely available for a limited time only.

You can access these, and read more about the milestone here.


Site News

January 31, 2023

Celebrating MPEiPro 500th Article

The Max Planck Encyclopedia of International Procedural Law celebrates publishing its 500th article.

January 31, 2023

January 2023 OEEUL Update

Eight new articles have been added to the Oxford Encyclopedia of EU Law.

January 31, 2023

January MPEiPro Update

Eleven new articles have been added to the Max Planck Encyclopedia of International Procedural Law.

January 27, 2023

MPEPIL January 2023 Update

2 updated articles are now available on the Max Planck Encyclopedia of Public International Law.