马克斯普朗克比较公法与国际法研究所（Max Planck Institute for Comparative Public Law and International Law）,地址：德国,海德尔堡；The Max Planck Institute for Comparative Public Law and International Law (Max Planck Institute for International Law, MPIL) is a legal research institute located in Heidelberg, Germany. It is operated by the Max Planck Society. Founded in 1949, it is the successor institution of the Kaiser Wilhelm Institute for Foreign and International Public Law, which was founded in 1924. The institute currently employs 69 scientific staff and is managed by its directors Armin von Bogdandy (since 2002) and Anne Peters (since 2013). It is seated at Heidelberg University's New Campus.The institute is one of the most important research institutions in the German-speaking world in the fields of international law, European law, comparative public law, and for the theoretical frameworks of transnational law。