
Common law and civil law are two distinct legal systems that are used in different parts of the world. Common law is a body of unwritten laws based on legal precedents established by the courts, while civil law relies on a comprehensive code of statutes that outlines the procedures for handling claims and punishments for offenses. Common law is often associated with countries that were former British colonies or protectorates, such as the United States, while civil law is prevalent in Continental Europe, Mexico, most of Central and South America, and some African countries. The key differences between the two systems lie in their approach to precedent, the role of written decisions, and the separation of powers between the judicial and executive branches. This topic explores the nuances of common law and its application in civil courts, highlighting the advantages and disadvantages of this legal system.
| Characteristics | Values |
|---|---|
| Basis | Common law is a body of unwritten laws based on legal precedents established by the courts. |
| History | Common law systems trace their history to English common law, while civil law systems trace their history through the Napoleonic Code back to the Corpus Juris Civilis of Roman law. |
| Sources | Common law is primarily developed through judicial decisions, whereas civil law systems rely primarily on codes and statutes. |
| Flexibility | Common law is flexible as it can respond to changes in society. |
| Speed | Common law is faster as it doesn't require lawmakers to pass changes in statutes and codes. |
| Stability and Consistency | Common law promotes stability and consistency as the outcome will be based on previous caselaw. |
| Weightage | Common law systems give more weight to the separation of powers between the judicial branch and the executive branch. |
| Country | Common law systems are used in countries that were former British colonies or protectorates, including the United States. Civil law systems are used in Continental Europe, Mexico, most of Central and South America, and some African countries. |
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What You'll Learn

Common law is a body of unwritten laws based on legal precedents
Common law is often contrasted with civil law, which is used in Continental Europe, Mexico, most of Central and South America, and some African countries including Egypt. Civil law is a comprehensive, codified set of legal statutes created by legislators. A civil system clearly defines the cases that can be brought to court, the procedures for handling claims, and the punishment for an offense. Judicial authorities use the conditions in the applicable civil code to evaluate the facts of each case and make legislative decisions.
Common law systems, on the other hand, rely on caselaw and legal precedent to guide their decisions. Common law draws from institutionalized opinions and interpretations from judicial authorities and public juries. It is important to note that common law may incorporate certain statutes, but it is primarily based on precedent. The presiding judge determines which precedents to apply in deciding each new case.
Common law is known for its stability and consistency because it is based on previous caselaw rather than subjective, personal viewpoints. This means that everyone involved knows that the ultimate outcome will be based on previous caselaw. In a case of first impression with no precedent or clear legislative guidance, judges are empowered to resolve the issue and establish new precedent.
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Common law is flexible and adaptable to societal changes
Common law is a body of unwritten laws based on legal precedents established by the courts. It is deeply rooted in stare decisis, which means "to stand by things decided". Common law is flexible and adaptable to societal changes in several ways. Firstly, common law courts are not absolutely bound by precedent and can reinterpret and revise the law to adapt to new trends in political, legal, and social philosophy. This allows the law to be flexible and evolve over time, reducing disruptive effects.
Secondly, common law allows for judicial discretion and freedom of interpretation. Judges determine which precedents to apply in each new case, and in cases without clear legislative guidance, they can establish new precedents. This adaptability ensures that the law can be applied to situations not previously contemplated by the legislature.
An example of common law adapting to societal changes can be seen in the UK, where the ancient common-law offence of "outraging public decency" was used to prosecute a new intrusive activity called "upskirting". This led to the Voyeurism (Offences) Act in 2019, which officially criminalized upskirting.
Additionally, common law can be modified to fit the changing socio-economic and political realities of a country. For instance, Ghana's legal system is based on the English common law tradition inherited during colonization. After independence, Ghana retained the common law system, and it is now enshrined in the country's 1992 Constitution.
Common law's flexibility and adaptability make it a valuable system for addressing unusual cases and evolving societal norms. It allows for the gradual evolution of the law and ensures that outdated or biased precedents can be overturned as societal changes occur.
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Civil law systems are more prescriptive than common law
Civil law systems and common law systems are two distinct legal systems with different characteristics. Civil law is the most common legal system in the world, with about 150 countries practising it. Civil law systems are more prescriptive than common law systems. Common law is a body of unwritten laws based on legal precedents established by the courts. It is deeply rooted in stare decisis, which means "to stand by things decided", where courts follow precedents established by previous decisions. Common law is usually contrasted with civil law systems, which are used in Continental Europe, Mexico, most of Central and South America, and some African countries, including Egypt and the Francophone countries of the Maghreb and West Africa.
Civil law, on the other hand, is a legal system rooted in the Roman Empire and was comprehensively codified and disseminated starting in the 19th century, most notably with France's Napoleonic Code (1804) and Germany's Bürgerliches Gesetzbuch (1900). Civil law systems have a written constitution based on specific codes, such as civil code, corporate law, administrative law, tax law, and constitutional law, that enshrine basic rights and duties. Civil law also clearly defines the cases that can be brought to court, the procedures for handling claims, and the punishments for offences.
One of the key differences between the two systems is their approach to contracts. In a common law system, there are few provisions implied into a contract, so it is important to set out all the terms governing the relationship between the parties in the contract itself. This often results in longer contracts compared to those in a civil law system. In civil law, there are several provisions implied into a contract, and less importance is placed on setting out all the terms in the contract, as inadequacies or ambiguities can be resolved by operation of law.
Another difference is in the allocation of responsibility between the prosecutor and the adjudicator. Common law courts usually use an adversarial system, where two sides present their cases to a neutral judge. In civil law systems, criminal proceedings follow an inquisitorial system, where an examining magistrate serves dual roles by first developing the evidence and arguments for one side and then acting as a neutral judge.
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Civil law relies on written decisions and codes
Civil law and common law are two distinct legal systems. Civil law, also known as civil law systems, is the most widely used legal system globally, practised in about 150 countries. It is characterised by its reliance on written laws or codes that function as the primary source of law. These codes provide clarity and accessibility to legal norms and regulations, making them foundational to how society is governed under this system. Civil codes explain the principles of law, rights, and entitlements, and how basic legal mechanisms work. The purpose of codification is to provide all citizens with a written collection of the laws that apply to them and which judges must follow.
In contrast, common law is a body of unwritten laws based on legal precedents established by the courts. Common law draws from institutionalized opinions and interpretations from judicial authorities and public juries. It is deeply rooted in stare decisis, which means that courts follow precedents established by previous decisions. Common law is often associated with English common law, which influenced the legal traditions of English-speaking countries, whereas civil law systems are practised in Continental Europe, Mexico, most of Central and South America, and some African countries, including Egypt.
While civil law is regularly updated, the goal of standardized codes is to create order and reduce biased systems in which laws are applied differently from case to case. Civil law is ultimately derived from the Corpus Juris Civilis of Roman law, but it has been heavily overlain by Napoleonic, Germanic, canonical, feudal, and local practices, as well as doctrinal strains such as natural law, codification, and legal positivism. The Napoleonic Code and the German Civil Code are prominent examples of civil codes. The Napoleonic Code, established in 1804, focused on civil rights and property laws, providing a uniform set of regulations for France. The German Civil Code, implemented in 1900, provides a systematic and detailed framework governing private law matters in Germany, covering various aspects of legal relationships, from contracts to family law.
Common law systems, on the other hand, tend to give more weight to the separation of powers between the judicial branch and the executive branch. They rely heavily on judicial precedent and may guide court rulings when the outcome cannot be determined based on existing statutes or written rules of law. Common law has also served as the basis for new legislation, such as the U.K.'s Voyeurism (Offences) Act, which criminalized "upskirting".
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Common law systems give more weight to the separation of powers
Common law is a body of unwritten laws based on legal precedents established by the courts. It is deeply rooted in stare decisis, which means that courts follow precedents established by previous decisions. In common law systems, the presiding judge determines which precedents to apply in deciding each new case. Common law is usually contrasted with the civil law system, which is used in Continental Europe, Mexico, most of Central and South America, and some African countries.
Common law systems tend to give more weight to the separation of powers between the judicial branch and the executive branch. In contrast, civil law systems are typically more tolerant of allowing individual officials to exercise both powers. For example, in common law systems, criminal proceedings follow an adversarial system, in which the prosecutor and adjudicator are two separate people. The prosecutor is lodged in the executive branch and presents the evidence to a neutral adjudicator, who makes a decision. On the other hand, civil law systems use an inquisitorial system in which an examining magistrate serves a dual role by first developing the evidence and arguments for one side and then acting as a neutral judge.
The separation of powers is a fundamental principle in government systems, aiming to distribute political power among different branches, such as a legislature, an executive, and a judiciary. This concept, often referred to as a "tripartite system," was popularized by French Enlightenment philosopher Montesquieu, who based his model on the Constitution of the Roman Republic and the British constitutional system. Montesquieu observed that the Roman Republic's powers were separated to prevent the usurpation of complete power by a single entity.
The UK, which operates within a common law system, exemplifies the separation of powers through its three distinct legal systems for England and Wales, Scotland, and Northern Ireland. The judiciary, comprising judges and officers of the courts of law, is overseen by the Supreme Court, the highest court in the UK. This separation of branches ensures that no single branch holds excessive power and enables a system of checks and balances, where each branch can hold the others accountable for their actions.
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Frequently asked questions
Common law is a body of unwritten laws based on legal precedents established by the courts. It is deeply rooted in stare decisis, which means that courts follow precedents established by previous decisions.
Common law is used in civil courts in common law jurisdictions, which include countries that were former British colonies or protectorates, such as the United States. Common law guides court rulings when the outcome cannot be determined based on existing statutes or written rules of law.
Common law relies on caselaw and legal precedent to guide decisions, while civil law relies primarily on codes and statutes. Civil law systems are typically more prescriptive and outline procedures for handling claims and punishments for offenses. Common law systems, on the other hand, are more flexible and can respond to changes in society without requiring changes in statutes.










































