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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.


Article collection for 18th Annual Conference of the European Society of International Law

As part of OUP’s showcase for the 18th Annual Conference of the European Society of International Law, a collection of articles from MPEPIL and MPEiPro has been made freely available for you to explore. These have been informed by this year’s theme ‘Is International Law Fair?’.

Explore and access the articles included.


 

Site News

May 15, 2024

MPEPIL May 2024 Update

Two articles (one new and one updated) are now available on the Max Planck Encyclopedia of Public International Law.

March 22, 2024

MPEPIL March 2024 Update

Four new articles are now available on the Max Planck Encyclopedia of Public International Law.

March 14, 2024

MPEiPro March 2024 Update

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

January 30, 2024

MPEPIL January 2024 Update

Three new and four updated articles are now available on the Max Planck Encyclopedia of Public International Law.

Latest Content

American Convention on Human Rights (1969)

Gerald L Neuman, Bernard Duhaime

Ius cogens

Dire Tladi

Obligations erga omnes

Jörg Kammerhofer