This chapter discusses the role of the EU in the IP field before and since the introduction of the Lisbon Treaty. To that end it introduces the EU legal order itself, including its founding Treaties, institutions, and authority to act (competence), with a focus on IP. The chapter is organized as follows. Section 2.2 traces the establishment of the European Economic Community and its development to the European Union. Section 2.3 describes the seven EU institutions: the European Council, European Commission, European Parliament, Council, Court of Justice of the EU, European Central Bank, and Court of Auditors. Section 2.4 explains the legal authority of the EU, in relation particularly to IP. Section 2.5 covers EU measures and their legal effects. And Section 2.6 discusses the actions of the Court of Justice.