Journal of social and information studies, 10 231-243, 2003
In the United States, there are a lot of cases ruling jurisdictional issues in trademark infringements through the internet. "Effects doctrine" and "sliding scale analysis" are the main tools to resolve the question to what extent the personal jurisdiction should be exercised by the forum court.
In general, it is said that the applicable law for a copyright should be the law of the protecting country under the Article 5(2)in Berne Convention for the protection of literary and artistic works. However, it is very difficult to determine the country when transmissions via internet are concerned. Though a variety of theories have been published, you cannot find by far the best one. You must watch closely the practical development in the world and try to search for a realistic solution.
The Sixth Conference on European and Asian Intellectual Property: Exploring Sensible Ways for Paying Copytight Owners, Jun 11, 2017, Institutum Iurisprudentiae, Academia Sinica; Max Planck Institute for Innovation and Competition Invited