Is EU Law Common Law or Civil Law?

EU law is neither common law nor civil law but a mixture of different legal systems. It is a unique legal system that combines elements of civil law and common law, so it is considered a mixed legal system because it draws on the legal traditions and systems of its member states, which are predominantly based on civil law, while also incorporating common law principles and practices.

One of the main reasons why the EU legal system is considered a mixed legal system is because it is built upon a foundation of civil law. Civil law is a legal system that is based on codified laws and emphasises the role of judges in interpreting and applying those laws. The EU legal system has its roots in the legal systems of the member states, which are predominantly based on civil law. This is reflected in the EU treaties, directives, and regulations, which are codified laws that provide legal certainty and predictability.

However, the EU legal system also incorporates common law principles and practices. Common law is a legal system that is based on judge-made law and emphasises the role of precedent in guiding legal decisions. For example, the principle of direct effect was established in Flaminio Costa v ENEL (1964) while the principle of indirect effect was established in Von Colson v Land Nordrhein-Westfalen (1984).

While the EU legal system does not rely on precedent to the same extent as common law systems, it does draw on common law principles in certain areas of law, such as competition law and intellectual property law. This has led to the development of a unique body of EU case law that combines civil law and common law concepts.

Furthermore, the EU legal system is also influenced by international law, which is a common law tradition. EU law incorporates principles and rules from international treaties and conventions, such as the European Convention on Human Rights. These international legal instruments have a significant impact on EU law, and the EU legal system is designed to promote compliance with international law principles and standards.

Another reason why the EU legal system is considered a mixed legal system is because it is a hybrid system that has evolved over time through the interaction of different legal traditions and legal systems. The EU legal system has developed its own unique characteristics, such as the principle of direct effect, which allows individuals to enforce their rights under EU law in national courts, and the principle of supremacy, which means that EU law takes precedence over conflicting national laws.

In conclusion, the EU legal system is a mixed legal system that combines elements of civil law, common law, and international law. This hybrid system has evolved over time through the interaction of different legal traditions and legal systems, and has created a unique body of law that is distinct from the legal systems of the member states. The EU legal system is characterised by legal certainty, predictability, and a commitment to promoting social progress and better standards of life for all citizens of the EU.
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