A German court can rule as to the legality of something within the framework of the German legal system, but such rulings obviously do not extend past the nation's borders. The Internet is no respecter of national borders, which makes judicial proceedings
S. Staab, J. Lehmann, and R. Verborgh. Companion Proceedings of the The Web Conference 2018, page 885--886. Republic and Canton of Geneva, Switzerland, International World Wide Web Conferences Steering Committee, (2018)
A. Harth. Web Semantics: Science, Services and Agents on the World Wide Web, 8 (4):
348--354(2010)Semantic Web Challenge 2009 User Interaction in Semantic Web research.