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The Max Planck Encyclopedias of International Law

Welcome to the home of the most trusted reference work in international law, the Max Planck Encyclopedia of Public International Law, as well as the recently launched Max Planck Encyclopedia of International Procedural Law. The two Encyclopedias can be searched and browsed together, or separately by using appropriate filters. Find out more about the Encyclopedias and their teams by following the links on this page.


Showcase at 2022 ESIL conference

As part of OUP’s showcase for the 17th Annual Conference of the European Society of International Law, a collection of articles from the Max Planck Encyclopedia of Public International Law (MPEPIL) and the Max Planck Encyclopedia of International Procedural Law (MPEiPro) has been made freely available for you to explore. These have been informed by this year’s theme the ‘In/Ex-clusiveness of International Law’. Find out more here.


 

Site News

October 7, 2022

October MPEiPro Update

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

September 1, 2022

MPEPIL August/September 2022 Update

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

August 31, 2022

17th Annual Conference of the European Society of International Law

17th Annual Conference of the European Society of International Law

August 30, 2022

August MPEiPro Update

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