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.
The Sixth Conference on European and Asian Intellectual Property: Exploring Sensible Ways for Paying Copytight Owners 2017年6月11日 Institutum Iurisprudentiae, Academia Sinica; Max Planck Institute for Innovation and Competition 招待有り