The Court of Justice of the European Union: role, structure, and legal framework

Introduction to the Court of Justice of the European Union

The Court of Justice of the European Union (CJEU) is the judicial institution of the European Union. It is responsible for ensuring that EU law is interpreted and applied uniformly across all member states, and that the institutions of the Union act in accordance with the Treaties and the legal framework established under EU law.

The CJEU occupies a central position within the institutional architecture of the European Union. Its judgments carry binding legal force and shape the development of EU law across a wide range of policy areas, from the internal market and competition law to fundamental rights and institutional accountability.

Understanding the structure and function of the CJEU is essential for anyone seeking to engage with European Union law, whether as a legal practitioner, academic, policymaker, or informed citizen. This article draws exclusively on official sources published by the Court itself and by EUR-Lex, the official EU law database.

Institutional structure of the CJEU

The Court of Justice of the European Union is not a single court but rather an institution comprising two distinct courts: the Court of Justice and the General Court. Each court has its own jurisdiction, composition, and procedural rules, though both operate under the overarching institutional framework of the CJEU.

The Court of Justice is the highest court within the CJEU. It hears cases referred to it by national courts through the preliminary ruling procedure, appeals from decisions of the General Court, and direct actions brought by EU institutions or member states in certain circumstances. Its role is to provide authoritative interpretations of EU law that are binding on all national courts and institutions within the member states.

The General Court, which forms the second tier of the CJEU, has jurisdiction to hear direct actions brought by individuals, companies, and, in some cases, member states against acts of EU institutions, bodies, offices, or agencies. It also hears actions relating to EU intellectual property matters and certain other categories of case. Decisions of the General Court may be appealed to the Court of Justice on points of law.

Composition and appointment of judges

The Court of Justice is composed of one judge from each EU member state, ensuring broad representation across the Union. It is assisted by Advocates General, whose role is to deliver impartial and reasoned opinions on cases before the Court. These opinions, while not binding, are highly influential and frequently cited in the Court's judgments.

The General Court is also composed of judges appointed from the member states. The number of judges in the General Court has been subject to adjustment over time in order to manage the Court's caseload effectively and ensure the timely administration of justice.

Judges and Advocates General of both courts are appointed by common accord of the governments of the member states. Appointments are made for renewable terms, and candidates must meet the requirements for appointment to the highest judicial offices in their respective member states, or be jurisconsults of recognised competence.

The preliminary ruling procedure

One of the most significant mechanisms through which the CJEU exercises its jurisdiction is the preliminary ruling procedure. Under this procedure, national courts and tribunals of the member states may, and in certain circumstances must, refer questions of EU law to the Court of Justice for a ruling before delivering their own judgment in a pending case.

The preliminary ruling procedure serves a dual purpose. It ensures the uniform interpretation and application of EU law throughout the member states, preventing divergent national interpretations that could undermine the coherence of the EU legal order. It also provides a mechanism through which individuals and legal persons can indirectly challenge the compatibility of national measures with EU law.

The Court of Justice's response to a preliminary reference takes the form of a judgment or, in certain cases, a reasoned order. The ruling is binding on the referring court and, as a matter of principle, on all other national courts dealing with the same question of EU law. This mechanism has been instrumental in the development of foundational principles of EU law over the decades.

Direct actions and appeals

In addition to the preliminary ruling procedure, the CJEU hears a range of direct actions. These include infringement proceedings, through which the European Commission or a member state may bring an action against another member state for failure to fulfil its obligations under EU law. The Court of Justice has the power to impose financial penalties on member states found to be in persistent breach of their EU law obligations.

Actions for annulment allow EU institutions, member states, and, under certain conditions, individuals and legal persons to challenge the legality of acts adopted by EU institutions, bodies, offices, or agencies. Actions for failure to act provide a remedy where an EU institution has unlawfully failed to take a required measure. These direct actions are subject to specific procedural requirements and time limits set out in the Treaties and the Court's rules of procedure.

Appeals from decisions of the General Court lie to the Court of Justice, but only on points of law. The Court of Justice may uphold the General Court's decision, set it aside, or refer the case back to the General Court for determination. This appellate structure ensures legal coherence and maintains the Court of Justice's role as the ultimate arbiter of EU law.

The legal framework governing the CJEU

The legal basis for the CJEU is found in the Treaty on European Union and the Treaty on the Functioning of the European Union, as published on EUR-Lex. These Treaties establish the Court's jurisdiction, composition, and the general principles governing its operation. The Statute of the Court of Justice of the European Union, which is annexed to the Treaties as a Protocol, provides more detailed rules on matters such as the organisation of the courts, the conduct of proceedings, and the status of judges.

The Rules of Procedure of the Court of Justice and the Rules of Procedure of the General Court govern the practical conduct of proceedings before each court. These rules address matters including the lodging of applications, the exchange of written pleadings, the organisation of oral hearings, and the delivery of judgments. Both sets of rules are published in the Official Journal of the European Union and are accessible through EUR-Lex.

EU law, as published and maintained on EUR-Lex, constitutes the primary legal framework within which the CJEU operates. EUR-Lex provides access to the full text of EU Treaties, legislation, case law, and other official documents, making it an indispensable resource for understanding the legal environment in which the Court functions.

Accessing CJEU case law and official information

The official website of the Court of Justice of the European Union, accessible at curia.europa.eu, provides comprehensive information about the institution, its courts, and its procedures. The website includes access to the full text of judgments and orders delivered by both the Court of Justice and the General Court, as well as information about pending cases, press releases, and procedural guidance.

EUR-Lex complements the CJEU's own resources by providing access to EU case law within the broader context of the EU legal order. Through EUR-Lex, users can search for judgments, opinions, and orders of the CJEU alongside the legislative acts and Treaty provisions to which they relate, facilitating a comprehensive understanding of how EU law is interpreted and applied.

Both curia.europa.eu and EUR-Lex are official sources maintained by EU institutions and are freely accessible to the public. They represent the authoritative reference points for anyone seeking accurate and up-to-date information about the CJEU and EU law more broadly.

Conclusion

The Court of Justice of the European Union plays a foundational role in the EU legal order. Through its two courts, the Court of Justice and the General Court, the institution ensures the uniform interpretation and application of EU law, upholds the rule of law within the Union, and provides judicial protection to individuals, member states, and institutions alike.

The legal framework governing the CJEU, rooted in the EU Treaties and elaborated through the Statute and Rules of Procedure, reflects the complexity and ambition of the European Union's supranational legal system. Official sources, including curia.europa.eu and EUR-Lex, provide the most reliable and authoritative information about the Court's structure, jurisdiction, and case law.

This article is for educational and informational purposes only and does not constitute legal advice.

Sources consulted

• Court of Justice of the European Union - curia - Court of Justice of the European Union, European Union
• EUR-Lex - European Union, European Union