Extraterritoriality

Extraterritoriality refers to the application of a nation’s law to persons, conduct, or property outside its own territory. Customary international law allows nations to regulate extraterritorially on a number of different bases, including effects, nationality, and universal jurisdiction. Nations generally limit the extraterritorial application of their laws to a greater extent than customary international law requires. For example, the United States applies a presumption against extraterritoriality to federal law and sometimes imposes additional limitations as a matter of prescriptive comity. Some U.S. states have their own presumptions against extraterritoriality, which may differ from the federal presumption.

A Primer on Extraterritoriality

Extraterritoriality refers to the application of a state’s law beyond the state’s borders. Although the word “extraterritorial” often has negative connotations, international law permits a great deal of extraterritorial regulation. In a world where trade, information, crime, and lots of other things regularly cross borders, states often have an interest in regulating beyond the strict…

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Transnational Litigation at the Supreme Court, October Term 2024

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More Thoughts on the Seventh Circuit’s Motorola Decision

Like Tim Holbrook, we found the Seventh Circuit’s decision in Motorola Solutions, Inc. v. Hytera Communications Corp. Ltd. provocative.  Motorola expands the reach of the Defend Trade Secrecy Act (DTSA) in ways that strike us as inconsistent with the Supreme Court’s concerns about extraterritorial application of U.S. law, particularly in the context of intellectual property…

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