
Common law, also known as case law or judge-made law, is a body of unwritten law based on legal precedents established by the courts. It is deeply rooted in stare decisis, a Latin phrase that means to stand by things decided. This means that judges in common law systems rely on previous court decisions, or case law, to guide their rulings on similar cases. Common law is more malleable than statutory law as it is not bound by precedent and can be reinterpreted and revised to adapt to new trends in political, legal, and social philosophy. It is derived from its original appearance in medieval England but continues to be practised in the US, Canada, India, Australia, and elsewhere.
| Characteristics | Values |
|---|---|
| Definition | Common law is a body of unwritten laws based on legal precedents established by the courts. |
| Origin | It originated in medieval England and is still in effect in the US and other countries. |
| Basis | Common law is based on precedent, judicial rulings made in previous similar cases. |
| Flexibility | Common law is more flexible than statutory law as it is not bound by precedent and can be reinterpreted and revised without legislative intervention. |
| Evolution | It evolves gradually over time, reducing disruptive effects. |
| Influence | It influences decision-making in unusual cases where existing statutes do not provide a clear outcome. |
| Stare decisis | A precedent, known as stare decisis, is a history of judicial decisions that form the basis for future cases. |
| Judicial precedent | Common law relies on caselaw and legal precedent to guide decisions, in contrast to civil law, which relies on codes and statutes. |
| Country-specific examples | Common law is practiced in Australia, Canada, Hong Kong, India, New Zealand, the United Kingdom, and the United States. |
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What You'll Learn

Common law is a body of unwritten laws
Common law, also known as case law, is a body of unwritten laws based on legal precedents established by the courts. It draws from institutionalized opinions and interpretations from judicial authorities and public juries. Common law originated in England during the Middle Ages in the King's Court (Curia Regis), a single royal court set up for most of the country at Westminster, near London. It did not originally consist of substantive rights but rather procedural remedies, which over time, produced the modern system where rights are seen as primary. Common law is deeply rooted in stare decisis, a Latin term that means "to stand by things decided". This means that courts follow precedents established by previous decisions.
Common law is more malleable than statutory law. Common law courts are not absolutely bound by precedent, but they can reinterpret and revise the law to adapt to new trends in political, legal, and social philosophy. The common law evolves through a series of gradual steps, so that over a decade or more, the law can change substantially without a sharp break, reducing disruptive effects.
In contrast to common law, 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. Judicial authorities use the conditions in the applicable civil code to evaluate the facts of each case and make legislative decisions. While civil law is regularly updated, the goal of standardized codes is to create order and reduce bias in systems where laws are applied differently from case to case.
Common law is practiced in several countries, including the United States, Canada, India, Australia, the United Kingdom, and Hong Kong. It is particularly useful when dealing with new technologies, as it leaves the legal code open to interpretation.
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It is based on legal precedents
Common law, also known as case law or judge-made law, is a body of unwritten laws based on legal precedents established by the courts. It is deeply rooted in stare decisis, a Latin phrase that roughly translates to "to stand by things decided". In other words, common law is based on the idea that courts and judges should follow previous rulings and decisions when dealing with similar cases. This is in contrast to civil law systems, which rely primarily on codes and statutes created by legislators.
The common law system as we know it today originated in England during the Middle Ages, in the King's Court (Curia Regis). It has since spread and evolved, with many countries around the world, including the US, Canada, India, Australia, and those in the Commonwealth, continuing to rely heavily on common law when resolving legal disputes.
Under a common law system, judges play a crucial role in interpreting and applying the law. When deciding a case, judges will consider previous rulings in similar situations and use these as a guide to determine the outcome of the current case. This process is known as following precedent. Precedent can be established by previous judicial decisions, either directly or by analogy to comparable areas of decided law.
While common law is based on legal precedents, it is important to note that it is not absolutely bound by them. Judges have the power to reinterpret and revise the law when there is an extraordinarily good reason to do so. This allows the common law to adapt to new trends in political, legal, and social philosophy over time. Additionally, in cases where there is no clear precedent or legislative guidance, judges are empowered to establish new precedent by resolving the issue at hand.
The evolution of common law over time helps to reduce disruptive effects and maintain stability in the legal system. This gradual evolution of common law contrasts with the legislative process, which often requires introducing a bill and can be more challenging to initiate.
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Common law is deeply rooted in stare decisis
Common law, also known as case law or judge-made law, is a body of unwritten laws based on legal precedents established by the courts. It draws from institutionalized opinions and interpretations from judicial authorities and public juries. Common law is deeply rooted in stare decisis, which translates to "to stand by things decided".
Stare decisis is a precedent or a history of judicial decisions that form the basis of evaluation for future cases. When a similar case has been resolved, courts typically align their reasoning with the precedent set in that decision. The presiding judge determines which precedents to apply in deciding each new case.
In a "case of first impression" with no precedent or clear legislative guidance, judges are empowered to resolve the issue and establish new precedent. Common law courts are not absolutely bound by precedent but can, when an extraordinarily good reason is shown, reinterpret and revise the law without legislative intervention. This allows the law to adapt to new trends in political, legal, and social philosophy.
The common law, so named because it was common to all the king's courts across England, is still very much in effect in the US and other countries today. Common law is in contrast to civil law, which is a comprehensive, codified set of legal statutes created by legislators. While civil law clearly defines the cases that can be brought to court and the procedures for handling claims, common law is more malleable and leaves the legal code open for interpretation.
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It is more malleable than statutory law
Common law is a body of unwritten law based on legal precedents established by the courts. It is deeply rooted in stare decisis, a Latin phrase that means "to stand by things decided". In other words, common law is largely based on precedent, or judicial rulings made in previous similar cases.
Common law is more malleable than statutory law. Firstly, common law courts are not absolutely bound by precedent. They can reinterpret and revise the law without legislative intervention, adapting to new trends in political, legal, and social philosophy. This flexibility allows the law to change substantially over time without causing disruptive breaks with the past. In contrast, the legislative process is often difficult to initiate and requires more time and resources.
Secondly, common law evolves gradually, allowing for a smooth transition over time. This incrementalism is in contrast to the abrupt changes that can occur in statutory law when new legislation is enacted. The gradual evolution of common law also enables the law to adapt to new technologies and social changes, ensuring that the legal code remains relevant and up-to-date.
The malleability of common law is further illustrated by the fact that it is often the inspiration for new legislation. Legislatures may codify common law rules to give them the force of statutes, modify them, or replace them entirely. This process demonstrates how common law can influence and shape statutory law over time.
In summary, common law is more malleable than statutory law due to its flexibility in interpreting and revising precedents, its gradual evolution, and its ability to adapt to changing social and technological trends. These characteristics of common law ensure that the law remains dynamic, relevant, and responsive to the needs of society.
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Common law is derived from its original appearance in medieval England
Common law, also known as case law or judge-made law, is a body of unwritten laws based on legal precedents established by the courts. It draws from institutionalized opinions and interpretations from judicial authorities and public juries. Common law is deeply rooted in stare decisis, which means "to stand by things decided", where courts follow precedents established by previous decisions.
Over time, common law has evolved and spread beyond England. It is still very much in effect in the US and other common law jurisdictions, including Australia, Canada, Hong Kong, India, New Zealand, and the United Kingdom. The US common-law system evolved from British traditions during the 17th and 18th centuries.
Common law is more malleable than statutory law. Common law courts can reinterpret and revise the law without legislative intervention, adapting to new trends in political, legal, and social philosophy. This gradual evolution of common law reduces disruptive effects and allows for the interpretation of the legal code, making it adaptable to changing circumstances and new technologies.
In summary, common law, with its roots in medieval England, is a dynamic legal system that continues to shape legal practices in many parts of the world today. It is characterized by its reliance on judicial precedent, its flexibility, and its ability to interpret and adapt to new contexts.
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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 "to stand by things decided".
Common law draws from institutionalized opinions and interpretations from judicial authorities and public juries. It is a system of law that is primarily developed through judicial decisions rather than statutes.
While common law relies on case law and legal precedent to guide their decisions, civil law relies primarily on codes and statutes. Civil law has a comprehensive code of statutes that outlines the procedures for handling claims and the punishment for offences.
Common law originated in England during the Middle Ages and spread to North America during the colonial period. Today, it is practiced in countries like the US, Canada, India, Australia, and the UK.



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