Act of State Doctrine

Max Planck Encyclopedia of Public International Law [MPEPIL]

Published under the auspices of the Max Planck Institute for Comparative Public Law and International Law under the direction of Professor Anne Peters (2021–) and Professor Rüdiger Wolfrum (2004–2020).

Go to full text on:

1 Historically, the Act of State Doctrine has actually involved three distinct, but related, doctrines. The first line of cases involves the principle wherein a sovereign entity, under particular circumstances, may claim immunity from suit in the courts of another jurisdiction. This concept is commonly known today as foreign sovereign immunity (in the United States of America [‘US’]) or State immunity (in the United Kingdom [‘UK’]). A second line of cases, predominantly in the UK, concerns the so-called ‘royal prerogative’, which creates a defence to a tort action.

Users without a subscription are not able to see the full content. Please subscribe, or log in via the Sign in panel on the left of this screen to access all subscribed content.