
Common law is a legal system that originated in England after the Norman Conquest in 1066, and is now used in many countries that were formerly British colonies or protectorates, including the United States. It is characterised by its reliance on precedent, and the development of law incrementally and by analogy with established authorities. Common law is deeply rooted in stare decisis, which means to stand by things decided, where courts follow precedents established by previous decisions. It is less prescriptive than civil law, and there is no official legal code, with judicial decisions dominating the creation of the law. Statutes and codes outline the essential concepts and regulations in civil law that the courts implement, and as a result, they take precedence, with case law serving as a secondary source of law.
| Characteristics | Values |
|---|---|
| Binding nature of judicial decisions | Decisions of the highest court can only be overturned by that same court or through legislation |
| Freedom of contract | Few provisions are implied into the contract by law |
| Adaptability | The law can be adapted to situations that were not contemplated at the time by the legislature |
| Emphasis on precedent | Courts follow precedents established by previous decisions |
| Inductive legal reasoning | Legal principles are derived and extracted from the text of many single judgments |
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What You'll Learn
- Common law is deeply rooted in stare decisis, where courts follow precedents
- It is adaptable and can be interpreted in situations unforeseen by the legislature
- Common law is derived from judicial decisions, not statutes or constitutions
- It is less prescriptive than civil law, with fewer provisions implied in contracts
- Common law originated in the practices of English kings' courts post-1066

Common law is deeply rooted in stare decisis, where courts follow precedents
Common law is a legal system that is deeply rooted in stare decisis, which means "to stand by things decided". This system follows precedents established by past court decisions, where judges rely on previous rulings to guide their interpretation of the law in similar cases. This approach is based on the principle of "stare decisis", which translates to "to stand by things decided".
Common law, also known as case law, is a system of law that has evolved over time through judicial decisions in individual legal disputes. It is characterised by its reliance on precedent and the incremental development of the law through analogy with established authorities. Common law originated in England following the Norman Conquest in 1066 and established a unified legal system. It spread throughout the British Isles and later to colonies, with many former colonies retaining this legal system today.
In a common law jurisdiction, judges play a crucial role in interpreting and applying the law. They are tasked with determining which precedents are relevant to a particular case and how they should be applied. This involves a process of research and analysis, including ascertaining the facts, locating relevant statutes and cases, and extracting principles, analogies, and statements from various courts. Decisions from higher courts or legislatures carry more weight, and lower courts generally follow these precedents. However, lower courts have some flexibility to modify or deviate from precedents if they are outdated or substantially different from the current case.
The value of the common law system lies in its adaptability and ability to interpret the law. It allows for the law to be applied to situations that may not have been contemplated at the time of legislation. This flexibility is particularly important as technology and society continue to evolve. Common law is often contrasted with civil law, which is a codified system with written constitutions and legislative enactments that are considered binding.
While common law provides stability and consistency, it has also been criticised for its potential to marginalise or disempower certain groups. Past decisions, even if biased or outdated, can continue to shape future rulings until societal changes prompt a judicial body to overturn the precedent. This dynamic nature of common law, deeply rooted in stare decisis, allows for the evolution of the law over time and ensures that it remains relevant and responsive to changing circumstances.
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It is adaptable and can be interpreted in situations unforeseen by the legislature
Common law is deeply rooted in stare decisis, which means "to stand by things decided". This means that common law is adaptable and can be interpreted in situations unforeseen by the legislature.
Common law is adaptable because it is based on precedent and the development of the law incrementally and by analogy with established authorities. This means that when a similar case has been resolved, courts typically align their reasoning with the precedent set in that decision. However, in a "case of first impression" with no precedent or clear legislative guidance, judges are empowered to resolve the issue and establish new precedent.
The adaptability of common law is also reflected in its ability to be interpreted in situations unforeseen by the legislature. This is because common law draws from institutionalized opinions and interpretations from judicial authorities and public juries. While civil law is regularly updated, the goal of standardized codes in civil law is to create order and reduce biased systems in which laws are applied differently from case to case. In contrast, common law values adaptability and leaves the legal code open for interpretation. This is particularly important as technology continues to grow and change our lives.
The value of a common-law system is that it can adapt to situations that were not contemplated at the time by the legislature. For example, common law marriages, also known as non-ceremonial marriages, are a legal framework that may allow couples to be considered married without having formally registered their union as either a civil or religious marriage. This is an example of how common law can be interpreted in situations not contemplated by the legislature, as it acknowledges similar rights to those with a marriage license for couples who are not officially married if several conditions are met.
Overall, the adaptability and interpretability of common law are key characteristics that allow it to evolve and change over time to fit the needs of society.
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Common law is derived from judicial decisions, not statutes or constitutions
Common law is a body of law that has evolved from past court proceedings and judgments in individual legal disputes. It is derived from judicial decisions and precedents, rather than from statutes or constitutions. This is in contrast to civil law, which is a codified system of law with a written constitution based on specific codes, such as civil code, corporate law, administrative law, tax law, and constitutional law.
The common law system is deeply rooted in stare decisis, which means "to stand by things decided". Courts follow precedents established by previous decisions and align their reasoning with these precedents when resolving similar cases. In the absence of a precedent or clear legislative guidance, judges are empowered to establish new precedents. This allows for some freedom of interpretation, making the law adaptable to new situations not contemplated by the legislature.
Common law originated in the practices of the English king's courts following the Norman Conquest in 1066. It established a unified legal system across England and later spread to Wales, Ireland, and the British colonies. Today, approximately one-third of the world's population lives in common law jurisdictions or mixed legal systems that integrate common law and civil law.
The common law system is less prescriptive than civil law, with fewer provisions implied into contracts. This places greater emphasis on setting out all the terms governing the relationship between the parties in the contract itself. Judicial decisions in the common law system are binding, and decisions of the highest court can generally only be overturned by that same court or through legislation.
The process of interpreting and applying common law involves several stages of research and analysis. Judges consider the facts of a case, locate relevant statutes and previous cases, and extract principles, analogies, and statements by various courts to determine how the next court is likely to rule. Recent decisions and those of higher courts carry more weight in this process.
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It is less prescriptive than civil law, with fewer provisions implied in contracts
Common law is less prescriptive than civil law, with fewer provisions implied in contracts. This means that, in a common law system, there is extensive freedom of contract, and the contract itself must set out all the terms governing the relationship between the parties. In contrast, civil law systems imply many provisions into a contract by law, and parties cannot contract out of certain provisions.
The common law system is deeply rooted in stare decisis, meaning "to stand by things decided". Here, courts follow precedents established by previous decisions. When a similar case has been resolved, courts typically align their reasoning with the precedent set in that decision. In a ""case of first impression" with no precedent or clear legislative guidance, judges are empowered to resolve the issue and establish new precedent. This is in contrast to civil law, where there is little scope for judge-made law in civil, criminal, and commercial courts.
Common law is a body of law that has evolved due to judgments in individual legal disputes. These unwritten laws evolve steadily over time in response to various unique circumstances. The set of laws is thus continuously modified and improved and serves as a guide in the case of unsolvable disputes. The law is adaptable as it may take years for a parliament to enact new laws. In contrast, civil law is a codified system of law with its origins in Roman law. It is characterized as "structured, authoritative, and acting as a guiding statute with a broad scope".
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 a comprehensive, codified set of legal statutes created by legislators. It clearly defines the cases that can be brought to court, the procedures for handling claims, and the punishment for an offense.
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Common law originated in the practices of English kings' courts post-1066
Common law is a legal system that originated in the practices of English kings' courts following the Norman Conquest in 1066. It established a unified legal system, gradually replacing local folk courts and manorial courts. Over time, England spread this legal system across the British Isles and overseas colonies, which continued under the British Empire. Today, approximately one-third of the world's population lives in common law jurisdictions or mixed legal systems that integrate common law.
Common law is deeply rooted in stare decisis, which means "to stand by things decided". This system gives significant weight to judicial precedent, where courts follow precedents established by previous decisions. When similar cases arise, courts typically align their reasoning with the precedent set in past decisions. However, in cases without precedent or clear legislative guidance, judges are empowered to resolve the issue and establish new precedent. This process allows the law to be adapted to situations not previously contemplated by the legislature.
Common law is often characterised as less prescriptive than civil law, with fewer provisions implied into contracts by law. This means that the terms governing the relationship between parties to a contract must be set out in the contract itself. Common law is also distinguishable from civil law due to its absence of a conceptual framework. Instead, court decisions have dominated the creation of the law, with statutes and codes outlining the essential concepts and regulations that courts implement.
In common law jurisdictions, several stages of research and analysis are required to determine "what the law is" in a given situation. This involves ascertaining the facts, locating relevant statutes and cases, and extracting principles, analogies, and statements by various courts. Recent decisions and those of higher courts carry more weight in this process. The inductive legal reasoning employed in common law involves inferring general principles from a string of precedents, arguing from the particular to the general.
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Frequently asked questions
Common law is a legal system that originated in England and is based on judicial decisions and customs rather than codified laws. It is also known as judicial precedent, judge-made law, or case law.
Common law is distinguished by several key characteristics, including:
- Judicial precedent: Judges must consider the decisions of earlier courts about similar cases when making their own decisions.
- Custom and tradition: Common law draws on customs and practices that have been accepted over time as having the force of law.
- Adversarial system: Legal disputes are often resolved through litigation, where opposing parties present their arguments before an impartial judge or jury.
- Flexibility and adaptability: Common law can evolve to meet changing societal needs through judicial interpretation and the development of new precedents.
Civil law, which originated in mainland Europe and is prevalent in countries influenced by Roman law, prioritises codified law. This means that the law is primarily found in comprehensive, written codes enacted by legislatures. Civil law systems aim to provide clear and exhaustive legal rules, with less emphasis on creating new legal principles through judicial rulings. In contrast, common law is more dynamic and adaptable but may offer less certainty as the law may not be explicitly defined in every situation.
Common law is used in countries that were formerly part of the British Empire, including the United States, the United Kingdom, Canada, Australia, and India. It is also used in some former British colonies. Approximately one-third of the world's population lives in common law jurisdictions or in mixed legal systems that integrate common law and civil law.




















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