The ubiquity of the Internet contrasts with the territorial nature of national legal orders. This book offers a comprehensive analysis of jurisdiction, choice of law and enforcement of judgments issues concerning online activities in the areas in which private legal relationships are most affected by the Internet. It provides an in-depth study of EU Law in this particularly dynamic field, with references to major developments in other jurisdictions. Topics comprise information society services, data protection, defamation, copyright, trademarks, unfair competition and contracts, including consumer protection and alternative dispute resolution.