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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.


Expansion of the MPEPIL Academic Advisory Board

The Academic Advisory Board of the Max Planck Encyclopedia of Public International Law (MPEPIL) has been expanded and now includes 17 leading academics and renowned experts in public international law.

The MPEPIL is entering a new era. With more than 1,750 entries published as of January 2022, covering virtually every aspect of the substance of international law, the primary focus of the advisory board and the editorial team will be to keep up with the developments in this dynamic field of law by continuously updating existing entries whilst adding new ones on emerging topics. 

With the members’ diverse backgrounds and areas of expertise, the advisory board is well equipped to oversee this vast project and to give strategic advice on how to optimize its processes and content, with the aim of maintaining the Encyclopedia’s reputation as the most trusted reference work in international law.


 

Site News

May 13, 2022

MPEPIL May 2022 Update

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

March 28, 2022

MPEPIL March Update

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

March 4, 2022

March MPEiPro Update

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

January 27, 2022

January MPEiPro Update

Twenty-six new articles have been added to the Max Planck Encyclopedia of International Procedural Law.

Latest Content

Flags of Convenience

Doris König, Tim René Salomon

Treaties, Provisional Application

Catherine Brölmann, Guido Den Dekker