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EnglishEuropean Union Law4 min readJuly 16, 2026

Understanding the Court of Justice of the European Union and access to EU law

An educational overview of the Court of Justice of the European Union, its role within the EU legal order, and how citizens and practitioners can access official European Union law through EUR-Lex.

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. The CJEU operates through several courts, most notably the Court of Justice itself and the General Court, each with distinct jurisdictions and procedural rules.

The CJEU's official website, accessible at curia.europa.eu, serves as the primary institutional portal for information about the court's composition, jurisdiction, procedures, and case law. Through this portal, users can access judgments, opinions, orders, and other official documents produced by the court in the exercise of its judicial functions.

The court plays a central role in the EU legal order by ruling on questions referred by national courts, reviewing the legality of acts of EU institutions, and adjudicating disputes between member states and EU institutions. Its decisions carry binding authority and shape the development of EU law across all policy areas.

Accessing EU law through EUR-Lex

EUR-Lex is the official portal providing free public access to European Union law. It is maintained by the Publications Office of the European Union and is available at eur-lex.europa.eu. The platform offers access to the full body of EU law, including treaties, regulations, directives, decisions, and other legislative and non-legislative acts.

The EUR-Lex database covers the Official Journal of the European Union, which is the authoritative publication for EU legal acts. Users can search for legislation by document type, subject matter, date, or legal basis, making it a comprehensive resource for legal research and compliance purposes.

EUR-Lex is available in all official languages of the European Union, reflecting the multilingual character of EU law and the principle that EU legislation must be equally authentic in each official language. This accessibility supports transparency and the rule of law across the member states.

The relationship between the CJEU and EU legislation

The CJEU and EUR-Lex together form two essential pillars of the EU legal infrastructure. While EUR-Lex provides access to the legislative and regulatory framework established by EU institutions, the CJEU provides authoritative judicial interpretation of that framework through its case law.

Judgments of the CJEU are published and made publicly accessible through the curia.europa.eu portal. These judgments frequently interpret provisions of EU treaties, regulations, and directives, and they are an indispensable reference point for understanding how EU law operates in practice.

Legal practitioners, academics, national courts, and public authorities across the EU regularly consult both resources when analysing questions of EU law. The combination of legislative texts available on EUR-Lex and judicial decisions available through the CJEU portal provides a comprehensive picture of the EU legal order as it stands at any given time.

Practical guidance for using official EU legal resources

Both curia.europa.eu and eur-lex.europa.eu are freely accessible to the public without registration. Users seeking to research a specific area of EU law may begin by consulting EUR-Lex for the relevant legislative texts and then cross-reference the CJEU portal for judicial interpretations of those texts.

The CJEU portal provides search functionality that allows users to locate cases by party name, case number, subject matter, or date. Similarly, EUR-Lex offers advanced search tools that enable users to filter results by document type, legal basis, and other criteria, facilitating targeted legal research.

It is important to note that while these official portals provide authoritative and up-to-date information, navigating EU law can be complex. The interaction between primary law, secondary legislation, and case law requires careful analysis, and users with specific legal questions are encouraged to seek appropriate professional guidance.

Final notice

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

Sources consulted

Published by Synojus International

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