Must All Foreigners Online Comply With US Copyright Law? (Part 1 of 2) 29/11/2017 by Steven Seidenberg for Intellectual Property Watch 1 Comment US copyright law is supposed to apply only within US borders, not to actions done in Poland. But when a company in Poland streamed copyrighted TV shows into the US, that infringed US copyrights, according to a US trial court. This decision will be upheld on appeal, experts widely expect. Such an appellate decision, however, could expand the reach of US copyright law to a problematic extent. It will be tricky to find infringement in this case without also extending US copyright law to any online content posted anywhere on the globe.