Introduction -- The History of the Court of Justice of the European Union since its Origin -- L'évolution de l'architecture juridictionnelle de l'Union européenne -- The Court of Justice in the 21st Century: Challenges ahead for the Judicial System? The National Judge as Judge of the European Union -- The Cooperation between European Courts. The Verbund of European Courts and Its Legal Toolbox -- Le rôle du comité 255 dans la sélection du juge de l'Union -- Les institutions politiques de l'Union et la Cour de justice: La Cour de justice et le Parlement européen -- Les institutions politiques de l'Union et la Cour de justice: le point de vue du Conseil -- Les institutions politiques de l'Union et la Cour de justice: La Commission devant la Cour de justice: l'exemple de la procédure préjudicielle -- The European Convention on Human Rights and the Charter of Fundamental Rights of the European Union: a process of mutual enrichment -- The EFTA Court and Court of Justice of the European Union Coming in parts but winning together -- Rôle des droits fondamentaux dans la constitutionnalisation de l'ordre juridique de l'UE -- When Sovereignty Means So Much: the Concept(s) of Sovereignty, European Union Membership and the Interpretation of the Constitution of the Republic of Poland -- Balancing EU integration and National Interests in the case-law of the Court of Justice -- Le principe de l'effet utile du droit de l'Union dans la jurisprudence de la Cour -- Reasonableness in the European Court of Justice case law -- Principes d'attribution, de subsidiarité et d'identité nationale des États membres -- To Decide or Not to Decide: On the Political Theology of Simmenthal, Lyckeskog et al -- Bifurcated Justice: The Dual Character of Judicial Protection in EU Law -- The Right to Effective Judicial Protection and Remedies in the EU -- The Future of the Court of Justice In EU Competition Law New Role and Responsibilities -- The Dynamics of European Citizenship: From Bourgeois to Citoyen -- The Prohibition of Discrimination in the Union's Layered System of Equality Law: from early staff cases to the Mangold approach -- Nationality and Third Country Nationals -- Revisiting the Free Movement of Goods in a Comparative Perspective -- Citizenship of the Union and the area of justice: (almost) the Court's moment of glory -- The European Arrest Warrant: The Dilemmas of Mutual Recognition, Human Rights and EU Citizenship -- La jurisprudence de la CJ relative au principe ne bis in idem: une contribution essentielle à la reconnaissance mutuelle en matière pénale -- La diversité de la culture juridique européenne et la prise de décision au sein de la Cour de justice de l'Union européenne -- Direct Taxation and the Free Movement of Persons -- "It shall contribute to the strict observance and development of international law" The Role of the Court of Justice -- Exclusive external competences: Constructing the EU as an international actor -- L'effet direct des accords internationaux -- The Court of Justice and Mixed Agreements -- The Court of Justice and the Common Foreign and Security Policy -- The Court of Justice and Bilateral Agreements -- Une vue Outre-Atlantique de la Cour et de sa jurisprudence.