
Common law is a legal system used in Great Britain, Australia, Canada, Hong Kong, India, New Zealand, and the United States (except Louisiana). It is also referred to as case law, judicial precedent, judge-made law, or customary law. Common law is deeply rooted in stare decisis, which means to stand by things decided. This means that judges must consider the decisions of earlier courts (precedents) about similar cases when making their own decisions. This essay will explore the history of common law, its advantages and disadvantages, and how it differs from civil law.
| Characteristics | Values |
|---|---|
| Basis of common law | Legal precedents established by the courts |
| Unwritten laws | |
| Institutionalised opinions and interpretations from judicial authorities and public juries | |
| Customs and common practices of the country | |
| General principles | |
| Case law | |
| Judicial precedent | |
| Stare decisis | |
| Caselaw | |
| Flexibility | |
| Adaptability to the unforeseen | |
| Efficiency | |
| Stability and consistency | |
| Binding nature of decisions made by higher courts | |
| Binding nature of precedents | |
| Binding nature of prior court decisions | |
| Common law marriage |
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What You'll Learn

Common law vs civil law
Common law, also known as case law, is a body of unwritten laws based on legal precedents established by the courts. It is deeply rooted in stare decisis, a Latin term that means "to stand by things decided". In other words, common law is largely based on previous rulings in similar cases. Common law originated in England and was spread to Wales, Ireland, and various colonies by the British Empire. Many former colonies, such as Australia, Canada, and India, retain the common law system today.
In a common law jurisdiction, 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, extracting principles and analogies, and finally integrating all the information to determine "what the law is" and applying it to the facts of the case at hand. Common law systems are flexible and adaptable, as they can respond to changes in society without requiring lawmakers to pass changes in statutes. Additionally, common law promotes stability and efficiency since judges need only follow precedent when making decisions, making court proceedings shorter and saving time and money.
Civil law, on the other hand, is a comprehensive, codified set of legal statutes created by legislators. It centers around a clear code of statutes that outline procedures for handling claims and punishments for offenses. Civil law, which originated in mainland Europe, aims to create order and reduce bias in the legal system. In a civil law system, a judge's decision is not binding in later cases involving different parties, even if the facts are similar. This is a key difference between common law and civil law systems.
While common law systems rely on caselaw and legal precedent, civil law systems primarily depend on codes and statutes. In a civil law system, judicial authorities use the conditions in the applicable civil code to evaluate the facts of each case and make legislative decisions. However, civil law systems may struggle to address situations not originally predicted or covered by the existing statutes, as they require lawmakers to pass changes, which can be a lengthy process.
In conclusion, common law and civil law systems each have their own advantages and disadvantages. Common law provides flexibility and efficiency by allowing judges to rely on precedents and adapt to changes in society. On the other hand, civil law offers a comprehensive and standardized set of rules that aim to reduce bias and create consistency in legal outcomes.
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Common law jurisdictions
Common law, also known as judicial precedent, judge-made law, or case law, is a body of unwritten laws based on legal precedents established by the courts. Common law is deeply rooted in stare decisis, which is a Latin term that means "to stand by things decided". In other words, common law jurisdictions give great weight to judicial precedent, where judges are required to follow the decisions and rulings made by courts in previous similar cases.
The common law system is used in Great Britain and the United States (except Louisiana), as well as in several other countries including Australia, Canada, India, and New Zealand. Many former colonies also retain the common law system. In total, 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.
In a common law jurisdiction, 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, extracting principles and analogies from various court decisions, and then integrating all the information to determine "what the law is" and applying it to the facts of the present case. The decisions of a court are binding only in a particular jurisdiction, and even within a given jurisdiction, some courts have more power than others.
Common law is often contrasted with civil law, which is a comprehensive, codified set of legal statutes created by legislators. Civil law systems, which originated in mainland Europe, center around a clear set of rules and codes that outline procedures and punishments for various offenses. Civil law aims to create order and reduce bias in the legal system by standardizing how laws are applied. In contrast, common law systems are more flexible and adaptable, as they can respond to changes in society without requiring new statutes or codes to be passed. However, the legislative process for creating new laws in common law systems can be lengthy and challenging to initiate.
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Common law and stare decisis
Common law is a legal system used in Great Britain and the United States (except Louisiana). It is also used in many former British colonies. In a common law jurisdiction, a case is decided based on several stages of research and analysis. This includes ascertaining the facts, locating relevant statutes and cases, and extracting principles, analogies, and statements by various courts. Decisions of higher courts or legislatures are given more weight than those of lower courts.
Common law is deeply rooted in stare decisis, a Latin phrase that means "to stand by things decided" or "let the decision stand". Stare decisis is a legal principle that requires courts and judges to follow earlier decisions and rulings, or case law, when dealing with similar cases. For example, if a court rules on a specific set of facts, that ruling is binding in future cases with the same or similar issues. Decisions made by higher courts are typically binding on lower courts in the same jurisdiction.
Stare decisis promotes stability and consistency in the law, as outcomes are based on previous case law rather than subjective viewpoints. It also makes court proceedings more efficient, as judges only need to follow precedent. However, a strict application of stare decisis may lead to rigidity, while too much flexibility may result in uncertainty.
While common law systems give precedence to case law and legal precedent, civil law systems primarily rely on codes and statutes. Civil law, which originated in mainland Europe, centres around a comprehensive code of statutes that outline procedures and punishments. In contrast, common law is more flexible since it can respond to changes in society without requiring lawmakers to pass changes in statutes. Common law courts can reinterpret and revise the law to adapt to new trends in political, legal, and social philosophy.
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Common law in practice
Common law, also known as judicial precedent, judge-made law, or case law, is a body of unwritten laws based on legal precedents established by the courts. It is a system of law that is deeply rooted in stare decisis, which is a Latin term meaning "to stand by things decided". In other words, common law is centred on the idea that judges should follow past rulings and decisions when dealing with similar cases in the future.
Common law is primarily developed through judicial decisions rather than statutes. It draws from institutionalised opinions and interpretations from judicial authorities and public juries. The presiding judge determines which precedents to apply when deciding each new case. When a similar case has been resolved, courts typically follow the precedent set in that decision. However, judges are not absolutely bound by precedent and can reinterpret and revise the law to adapt to new trends in political, legal, and social philosophy.
In practice, common law systems are considerably more complicated than a simplified description may suggest. The decisions of a court are binding only in a particular jurisdiction, and even within a given jurisdiction, some courts have more power than others. For example, decisions made by higher courts, such as a jurisdiction's supreme court, are typically binding on lower courts in the same jurisdiction. Common law promotes stability and consistency because everyone involved knows that the ultimate outcome will be based on previous caselaw and not on subjective, personal viewpoints.
Common law is also adaptable to unforeseen situations. When lawmakers create statutes and rules, it is impossible to predict all the scenarios in which courts may need to apply the laws. In common law systems, courts can address situations not originally predicted by lawmakers. This flexibility allows common law to respond to changes in society. It can inspire new legislation and influence the criteria that a jury uses to interpret a case.
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Common law's evolution
Common law, also known as judicial precedent, judge-made law, or case law, is a body of unwritten laws based on legal precedents established by the courts. It is a system of law that primarily developed through judicial decisions rather than statutes. Common law is deeply rooted in stare decisis, which means "to stand by things decided". This means that judges are required to follow the decisions and rulings made in previous similar cases, also known as caselaw.
The evolution of common law can be traced back to the practices of the courts of the English kings in the centuries following the Norman Conquest. England then spread its legal system across the British Isles and overseas colonies, which was continued by the later British Empire. Many former colonies, including the United States, Canada, Australia, India, and New Zealand, retain the common law system today.
The evolution of common law is characterised by its gradual nature, with common law courts interpreting and revising the law over time to adapt to new trends in political, legal, and social philosophy. This flexibility allows common law to respond to changes in society and address situations not originally predicted by lawmakers. For example, in the United States, the traditions of common law have led to the unfair marginalisation or disempowerment of certain groups, and societal changes have prompted the judicial system to overturn these precedents.
Common law is also adaptable to unforeseen circumstances. Since it is not bound by a written code, common law can address situations that were not predicted by lawmakers when creating statutes and rules. This adaptability also allows common law to inspire new legislation to be enacted.
The evolution of common law is also influenced by the weight given to different precedents. While decisions made by higher courts are typically binding on lower courts, the presiding judge of each case determines which precedents to apply. In a ""case of first impression" with no precedent or clear legislative guidance, judges are empowered to establish new precedent.
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Frequently asked questions
Common law is a body of law based on court decisions and customs, rather than codes or statutes. It is also known as case law, judicial precedent, judge-made law, or customary law.
Civil law is a comprehensive, codified set of legal statutes created by legislators. It centres around a clear code of statutes that outline procedures for handling claims and punishments for offences. Common law, on the other hand, is more flexible and adaptable to unforeseen situations as it draws from judicial precedents and interpretations.
Common law promotes stability and consistency as outcomes are based on previous caselaw rather than subjective viewpoints. It is also efficient as judges only need to follow precedent, saving time and money. Additionally, common law is flexible and can respond to societal changes without requiring new legislation.
Common law is practised in Great Britain, the United States (except Louisiana), Australia, Canada, Hong Kong, India, New Zealand, and some former British colonies. Approximately one-third of the world's population lives in common law jurisdictions or mixed legal systems that integrate common law and civil law.











































