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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

March 15, 2023

Climate Change Headnotes Published as Part of the ILDC

Read more about the significant climate change headnotes published as part of the ILDC.

March 14, 2023

MPEiPro March update

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

March 13, 2023

New Article added to EU Law

One new article has been added to the Oxford Encyclopedia of EU Law.

February 14, 2023

Highlights to Recent ILDC Decisions

International Law in Domestic Courts (ILDC) has been a mainstay of Oxford Reports on International Law and continues to publish timely international law decisions of the many domestic courts in the coverage area. Here is a list of recent notable decisions which have been made freely available for a short time.