In order to pursue copyright infringements, rightholders need the names and addresses of the infringers. This creates special problems in file sharing cases where the identity of those who illegally use file sharing systems needs to be found out by checking who’s behind a specific IP address. Detecting copyright infringements and collecting the IP addresses of the responsible persons are just the first steps to this end. But then, the rightholders have no choice but to ask the respective ISP to hand out the data it has about the IP addresses discovered. ISPs for their part need to protect their customers and their business and have to comply with strict statutory data protection provisions. Thus, ISPs and copyright holders are in a permanent conflict of interests. Continue reading →