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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.


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 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.

December 1, 2022

Discover freely accessible articles regarding the conflict between Russia & Ukraine

A collection of articles has been made freely available for you to gain a better understanding of the international law topics relevant to the invasion of Ukraine.

Latest Content

Environment, Multilateral Agreements

Jutta Brunnée, Christopher Campbell-Duruflé