
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 phrase that means to stand by things decided. In other words, common law is based on the principle that courts and judges need to follow earlier decisions and rulings when dealing with similar cases later. This is in contrast to civil law systems, which rely primarily on codes and statutes. Common law originated in England in the Middle Ages and has since spread to various other countries, including the United States, Canada, Australia, and India.
| Characteristics | Values |
|---|---|
| Definition | Common law is a body of law based on legal precedents established by the courts. |
| Synonyms | Judicial precedent, judge-made law, or case law |
| Origin | Originated in the English King's Court (Curia Regis) in the early Middle Ages |
| Evolution | Evolved from a British tradition that spread to North America during the 17th and 18th centuries. |
| Current Practice | Practiced in Australia, Canada, Hong Kong, India, New Zealand, and the United Kingdom, as well as the United States and Commonwealth countries. |
| Basis of Decisions | Rely on caselaw and legal precedent rather than codes or statutes. |
| Flexibility | More malleable than statutory law; courts are not absolutely bound by precedent and can reinterpret and revise the law. |
| Incremental Change | Evolves gradually over time, reducing disruption. |
| Stability and Consistency | Provides stability and consistency as outcomes are based on previous caselaw rather than subjective viewpoints. |
| Influence on Legislation | Inspires new legislation. |
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What You'll Learn

Common law is a body of unwritten laws based on legal precedents
Common law is based on the principle of stare decisis, which means "to stand by things decided." In practice, this means that judges in common law systems rely on previous judicial decisions, or precedents, to guide their rulings in similar future cases. These precedents are maintained over time through court records and are historically documented in collections of case law known as yearbooks and law reports.
The benefit of common law is that it provides stability and consistency in the legal system because outcomes are based on previous case law rather than subjective viewpoints. Additionally, common law allows for flexibility and interpretation, which becomes increasingly important as technology evolves and new trends emerge in society.
However, it's important to note that common law courts are not absolutely bound by precedent. Judges have the power to reinterpret and revise the law without legislative intervention when presented with extraordinarily good reasons. This allows the common law to evolve gradually, working out the details over time, so that the law can change substantially over a decade without causing disruption.
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Common law is deeply rooted in stare decisis
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". In other words, common law relies heavily on the principle of adhering to past decisions when making new ones.
Stare decisis is a history of judicial decisions that form the basis of evaluation for future cases. In common law, judges determine which precedents apply to a particular case and make their rulings based on those precedents. This is especially important when the outcome of a case cannot be determined based on existing statutes or written rules of law.
The doctrine of stare decisis is deeply rooted in the common law tradition. It originated in England and was spread to other countries, including the United States, Australia, Canada, and India, during the colonial period. In the US, state supreme courts are empowered to develop common-law doctrines in addition to interpreting democratically enacted texts.
While common law courts are not absolutely bound by precedent, they typically follow stare decisis. However, when an extraordinary reason is presented, they can reinterpret and revise the law without legislative intervention. This allows the common law to adapt to new trends and changes in society.
In summary, common law is deeply rooted in stare decisis, which means that it relies on past judicial decisions to guide future ones. This principle of adhering to precedent helps to ensure consistency and fairness in the legal system.
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Common law is more malleable than statutory law
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" in Latin. In other words, common law is decided by judges' interpretation and application of previous rulings to new cases. When a court faces a legal argument, judges determine which precedents to apply in deciding each new case. They refer to previous similar cases and use the judgments rendered then as a basis for deciding the current case.
Common law originated in medieval England and is still very much in effect in the US and elsewhere today, including Australia, Canada, Hong Kong, India, New Zealand, and the United Kingdom. As the evolution of technology and its presence in our lives continues to grow, common law's ability to leave the legal code open for interpretation will become increasingly important.
Statutory law, also known as legislation, is the body of law resulting from statutes or laws passed by a legislature. These laws are created through a formal process that involves drafting, debate, and voting. Changing statutory law typically requires the legislative body to amend or enact new legislation, which can be a more time-consuming process than changing common law.
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Common law vs civil law
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 ("to stand by things decided"), where courts follow precedents established by previous decisions. Common law originated in the practices of the courts of English kings following the Norman Conquest and was spread to North America, and other colonies, during the 17th and 18th centuries. Common law is practised today in countries including the US, the UK, Canada, Australia, India, and New Zealand.
Common law is a flexible system that allows for the interpretation of the legal code. It is based on the idea that laws emerge gradually from a multitude of particularised prior decisions. Common law courts are not bound by precedent, and can reinterpret and revise the law to adapt to new trends without legislative intervention. Precedents are maintained over time through court records, documented in collections of case law known as yearbooks and law reports.
Civil law, on the other hand, is the most common legal system in the world, practised in about 150 countries. It is rooted in the Roman Empire and was comprehensively codified and disseminated in the 19th century, particularly with France's Napoleonic Code and Germany's Bürgerliches Gesetzbuch. Civil law is characterised by its reliance on legal codes as the primary source of law.
Civil law is generally more prescriptive than common law. In a civil law system, there are a number of provisions implied in a contract, and less importance is placed on setting out all the terms in the contract itself. In a common law system, the contract is the primary focus, and all terms governing the relationship between the parties must be included.
In a civil law jurisdiction, unless the contract specifies arbitration, it will be enforced by the administrative courts. In many civil law countries, a separate administrative law governs PPP arrangements.
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Common law originated in the Middle Ages in England
Common law, also known as judicial precedent, judge-made law, or case law, is a body of customary law based on judicial decisions and embodied in reports of decided cases. It originated in England in the early Middle Ages in the King's Court (Curia Regis), a single royal court set up for most of the country at Westminster, near London. The English common law emerged in the period after the Norman Conquest of 1066, gradually supplanting the local folk and manorial courts. The Anglo-Saxons, especially after the accession of Alfred the Great in 871, had developed a body of rules resembling those used by the Germanic peoples of northern Europe, with local customs governing most matters and the church playing a large part in government.
The twelfth century saw a shift across northwestern Europe from predominantly local, informal power arrangements to formal government organised along bureaucratic lines. In England, this shift was marked by the reign of Henry II (1154-89), when the royal treasury (the Exchequer) and permanent royal courts (the Courts of the King's Bench and of Common Pleas) were established in Westminster. Henry II's reorganisation of royal justice expanded geographically and socially, from freemen up to the highest-ranking nobles, who had previously been the only ones with regular recourse to the king's court. The reforms that directly concerned property law (known as the possessory assizes) were based on the use of royal writs, written orders from the king that initiated lawsuits. Any freeman could purchase a writ to start a lawsuit against another party, for example, to recover property.
Over time, the working out of procedural remedies in the English common law system has produced the modern system in which rights are seen as primary over procedure. Until the late 19th century, English common law continued to be developed primarily by judges rather than legislators. Common law stands in contrast to the legal system derived from civil law, now widespread in continental Europe and elsewhere. It is deeply rooted in stare decisis ("to stand by things decided"), where 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. 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.
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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 relies on detailed records of similar situations and statutes because there is no official legal code that can be applied to a specific case.
Common law systems rely on case law and legal precedent to guide their decisions, whereas civil law systems rely on codes and statutes. Civil law is generally more prescriptive than common law.
Common law is practiced in Australia, Canada, Ghana, Hong Kong, India, New Zealand, the United Kingdom, and the United States.







































