This book analyses important legal issues in the controversial area of file sharing on the Internet. Geographically, the book covers the European Union; however, in regard to secondary copyright liability it also discusses key US and Australian cases and doctrines. This critical review includes topics such as: - primary liability of Internet users; - secondary liability of file-sharing service providers and its application by national courts in Europe; - role and liability of Internet service providers in the light of the EU E-Commerce Directive and in regard to filtering/blocking orders and discovery of identity orders; - impact of watermarking and encryption technology and potential application of private copyright levy in the on-line environment.