
The Common Law System and the Civil Law System are two of the world's most prevalent legal systems. The Common Law System is based on tradition and practice rather than formal legislation, and it relies on the way things have always been done. It is deeply rooted in stare decisis, which means that courts follow precedents established by previous decisions. Common law originated in medieval England and was spread across the British Isles and colonies. On the other hand, Civil Law Systems, also known as continental or Romano-Germanic legal systems, are found on all continents and cover about 60% of the world. They are based on concepts, categories, and rules derived from Roman law, with some influence from canon law, and are typically arranged in codes that are easily accessible to citizens and jurists. Civil law systems are characterized by a vast network of codified laws, with France, Germany, and Spain being notable examples.
| Characteristics | Common Law System | Civil Law System |
|---|---|---|
| Basis | Judicial precedent | Legal codes |
| History | Originated in medieval England | Originated in the Roman Empire |
| Contract provisions | Few provisions are implied into the contract by law | Many provisions are implied into the contract by law |
| Contract length | Longer contracts | Shorter contracts |
| Binding precedent | Yes | No |
| Influence | Used in countries that were formerly under English rule, including the United States | Used in countries that were former French, Dutch, German, Spanish, or Portuguese colonies, including Central and South America, and Louisiana in the U.S. |
| Flexibility | Greater flexibility in granting different types of security over assets | Less flexibility in granting different types of security over assets |
| Trust concept | Has the concept of trusts | Does not have the concept of trusts |
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What You'll Learn
- Common law is flexible and adaptable, civil law is more prescriptive
- Common law relies on precedent, civil law on codes and statutes
- Common law has more freedom of contract, civil law implies more provisions
- Common law is widespread in former British colonies, civil law in Europe and Latin America
- Common law is based on medieval England law, civil law on Roman law

Common law is flexible and adaptable, civil law is more prescriptive
Common law and civil law systems are the two main legal systems used throughout the world today. Common law systems are typically found in former British colonies or protectorates, including the United States, while civil law systems are more common in former French, Dutch, German, Spanish, or Portuguese colonies, as well as in Central and Eastern Europe and East Asia.
Common law is flexible and adaptable. It is based on judicial precedent and court decisions, with judges creating precedents and applying codified laws. This means that common law can respond to changes in society and deal with unforeseen situations as they develop. For example, in a common law system, a judge can rule on an ambiguous issue that is not explicitly addressed by legislation, filling in the details and adapting the law to new situations. This flexibility can also be seen in the extensive freedom of contract in common law systems, where few provisions are implied into the contract by law, and the parties have greater freedom to set out the terms of their agreement.
On the other hand, civil law is more prescriptive. It is rooted in Roman law and was comprehensively codified during the Napoleonic era. Civil law systems rely primarily on codes and statutes, with clearly outlined rules for judges to follow when ruling on specific disputes. While civil law provides clear boundaries and predictability, it may struggle to adapt to new or unforeseen situations, as changes in statutes and codes must be made by lawmakers, which can take a long time or never happen at all. In civil law systems, there is less freedom of contract, as many provisions are implied into the contract by law, and the parties have less flexibility to set out their own terms.
The differences between common law and civil law systems can be seen in their approaches to judicial precedent. In common law systems, stare decisis, or the principle that judges must follow prior decisions and rulings, is a fundamental concept. This means that common law systems promote stability and consistency, as outcomes are based on previous case law rather than subjective viewpoints. In contrast, civil law systems give less weight to judicial precedent, and court decisions are generally not binding in other cases, even if the facts are similar.
In summary, common law is flexible and adaptable due to its reliance on judicial precedent and the freedom it affords to judges and parties to contracts. Civil law, on the other hand, is more prescriptive, with its roots in Roman law and its emphasis on comprehensive codes and statutes. While civil law provides clear boundaries, it may be less equipped to handle new or unforeseen situations without legislative action.
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Common law relies on precedent, civil law on codes and statutes
Common law and civil law are two distinct legal systems with different approaches to the creation and application of laws. Common law, also known as case law, originated in medieval England and is characterised by its reliance on judicial precedent. It is a less prescriptive system, where judicial decisions form the basis of evaluation for future cases. This means that judges presiding over a case determine which precedents apply, promoting stability and consistency in the legal system. Common law systems are typically found in countries that were former British colonies or protectorates, including the United States.
In contrast, civil law is rooted in the Roman Empire and was comprehensively codified and disseminated, particularly in the 19th century with codes such as France's Napoleonic Code and Germany's Bürgerliches Gesetzbuch. Civil law systems are more prescriptive and rely on legal codes and statutes as their primary source of law. These codes are regularly updated to create standardised rules and reduce bias in the application of laws. Civil law systems are prevalent in former French, Dutch, German, Spanish, or Portuguese colonies, including much of Central and South America, Central and Eastern Europe, and East Asia.
One key difference between the two systems is their approach to precedent. Common law heavily emphasises precedent, recognising prior court decisions as legally binding. This means that decisions made by higher courts are generally binding on lower courts, although lower courts have some flexibility to modify or deviate from precedents if they are outdated or substantially different from the current case. In contrast, civil law judges tend to give less weight to precedent, as they primarily rely on legal codes. Civil law codes must be constantly updated because the precedent of courts is not binding, and courts lack the authority to act without a statute.
Another distinction is the level of freedom in contracts. Common law systems have few implied provisions in contracts, requiring all terms governing the relationship between the parties to be explicitly set out in the contract itself. This often results in longer contracts compared to those in civil law countries. On the other hand, civil law systems imply many provisions into contracts by law, and parties may not be able to contract out of certain provisions.
While common law and civil law have different foundations and approaches, some jurisdictions, such as the United States and the United Kingdom, operate under a dual system that integrates both common and civil law elements.
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Common law has more freedom of contract, civil law implies more provisions
Common law and civil law systems are two primary legal systems practised across the world. Common law systems are typically those that were former British colonies or protectorates, including the United States. On the other hand, civil law systems are generally those that were former French, Dutch, German, Spanish or Portuguese colonies or protectorates, including much of Central and South America, Central and Eastern European and East Asian countries.
Common law systems are characterised by their heavy reliance on judicial precedent, where prior court decisions are recognised as legally binding precedent. In contrast, civil law systems are characterised by their reliance on legal codes that function as the primary source of law. These civil codes are derived from Roman law, with the earliest codification known being the Code of Hammurabi, written in ancient Babylon during the 18th century BC.
In a common law system, there is extensive freedom of contract, with few provisions implied into the contract by law. This means that it is important to set out all the terms governing the relationship between the parties to a contract in the contract itself, resulting in longer contracts compared to civil law countries. In a civil law system, many provisions are implied into a contract by law, and parties cannot contract out of certain provisions. This results in less importance being placed on setting out all the terms in the contract itself, as inadequacies or ambiguities can be resolved by operation of law.
The differences in the treatment of contracts between common law and civil law systems can be attributed to their underlying philosophies. Common law systems are less prescriptive, generally permitting everything that is not expressly prohibited by law. On the other hand, civil law systems are more prescriptive, implying more provisions into contracts to protect citizens.
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Common law is widespread in former British colonies, civil law in Europe and Latin America
Common law and civil law are two different legal systems with distinct characteristics. Common law systems, prevalent in countries that were former British colonies, such as the United States, give significant weight to judicial precedent and the reasoning inherited from the English legal system. They are less prescriptive, with extensive freedom of contract, and generally permit everything that is not expressly prohibited by law. On the other hand, civil law systems, widely adopted in Europe and Latin America, are rooted in Roman law and are more prescriptive, with many implied provisions in contracts. They are characterised by their reliance on legal codes as the primary source of law, and judges tend to give less weight to precedent.
The widespread adoption of common law in former British colonies can be attributed to the historical influence of the English legal system. England spread its legal system throughout the British Isles and later to its overseas colonies. Many of these colonies, upon gaining independence, retained the common law system, finding it advantageous for its predictability and simplicity in contractual relations. The United States, for example, faced a controversial decision regarding whether to adopt common law due to widespread anti-British sentiment after the American Revolution. However, Federalists argued that common law protected the natural rights of "life, liberty, and the pursuit of happiness," ultimately influencing the adoption of common law in the newly independent nation.
In contrast, civil law systems are prevalent in Europe and Latin America due to their historical connections with civil law traditions. Civil law, rooted in Roman law, was later influenced by Napoleonic codes in France and Germanic codes. Countries that were former French, Dutch, German, Spanish, or Portuguese colonies or protectorates, including much of Central and South America, tend to follow civil law systems. For example, Louisiana in the United States has a unique civil law system based on French and Spanish codes due to its historical colonial influence. Additionally, Central and Eastern European and East Asian countries also predominantly follow civil law structures.
The distinction between common law and civil law systems has significant implications for legal practices and contractual relationships. Common law systems provide more freedom and flexibility, allowing for the development of case law and judicial precedent. In contrast, civil law systems offer a more comprehensive and codified approach with less ambiguity, as they rely primarily on established legal codes. The choice between common law and civil law jurisdictions often depends on the specific needs and contexts of the countries or parties involved.
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Common law is based on medieval England law, civil law on Roman law
The common law system and the civil law system are two of the world's primary legal systems. Common law, also known as case law in England and Wales, is based on medieval England's legal system and the decisions of judges; it is uncodified. On the other hand, civil law, also known as continental European law, is based on Roman law and is codified in civil codes.
Common Law System
The common law system is based on the premise that decisions made by judges in similar previous cases are a binding precedent for future cases with comparable facts. This system is primarily based on medieval English law, which was developed in parallel with Roman-based civil law. Common law was more prevalent in England because, by the time Roman law was rediscovered in the 16th century, the English legal system was already more advanced than its continental counterparts. Common law is prevalent in countries that were former British colonies or protectorates, including the United States.
Civil Law System
The civil law system, in contrast, is based on Roman law and is the world's most common legal system, practiced in about 150 countries. It is characterised by its reliance on legal codes, such as civil codes, corporate law, administrative law, tax law, and constitutional law, as the primary source of law. Civil law is prevalent in countries that were former French, Dutch, German, Spanish, or Portuguese colonies or protectorates, including much of Central and South America, Central and Eastern Europe, and East Asia.
While the common law system offers more freedom of contract, with few provisions implied into the contract by law, the civil law system provides less freedom of contract, with many provisions implied into the contract. In the common law system, judicial decisions are binding and can only be overturned by the same court or through legislation. In civil law systems, the precedent of courts is generally non-binding, and judges have less scope to make laws.
Both legal systems have their own unique characteristics and are followed by numerous countries worldwide, with some countries even adopting a hybrid system that combines elements of both common and civil law.
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Frequently asked questions
A common law system is a legal system that relies on caselaw and legal precedent to guide decisions. It originated in medieval England and is commonly found in former British colonies and Anglo-American countries. Common law systems are adaptable and flexible, as they can respond to changes in society.
A civil law system is a legal system rooted in the Roman Empire, with modern influences from Napoleonic France. It is the most common legal system in the world, practiced in about 150 countries. Civil law systems rely on codes and statutes, with comprehensive civil codes that outline everything from procedures to punishments.
The main difference is that common law systems are based on precedent and judicial decisions, while civil law systems focus on written laws and codes. Common law systems are more flexible and adaptable, while civil law systems offer more predictability and clarity about the bounds of the law.
Countries that follow a common law system include the United States, the United Kingdom, and other former British colonies.
Civil law systems are found in countries that were formerly part of the French, Dutch, German, Spanish, or Portuguese empires, including much of Central and South America, Central and Eastern Europe, and East Asia.







































