
Common law is a body of unwritten laws based on legal precedents established by the courts. It is deeply rooted in the principle of stare decisis, which means to stand by things decided. This means that judges need to follow previous rulings, or case law, when dealing with similar cases. Common law originated in England during the Middle Ages and spread to North America during the colonial period. Today, several countries, including the US, Canada, India, and Australia, rely heavily on common law when resolving legal disputes.
| Characteristics | Values |
|---|---|
| Basis | Court decisions, judicial rulings, and legal precedents |
| Sources | Plea rolls, Year Books, and caselaw |
| Type of law | Unwritten, judge-made, or case law |
| Principle | Stare decisis ("to stand by things decided") |
| Application | Civil cases, criminal law, and property law |
| Jurisdiction | England, Scotland, US, Canada, India, Australia, and Hong Kong |
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What You'll Learn

Common law is based on precedent
Common law, also known as case law, is a body of law primarily developed through judicial decisions and precedent rather than statutes. It is deeply rooted in stare decisis, a Latin term that means "to stand by things decided". In other words, common law is based on the principle that courts should adhere to precedents set by previous similar cases. This promotes stability and consistency in the legal system, as it provides a framework for judges to follow when deciding new cases.
The doctrine of precedent developed during the 12th and 13th centuries, evolving from tradition, custom, and precedent. Today, common law systems continue to rely on case law and legal precedent to guide their decisions. When a court makes a ruling, it is required to follow that decision if faced with a similar issue in the future. This is known as the principle of stare decisis. The presiding judge determines which precedents to apply in each new case, and courts typically align their reasoning with the precedent set by previous decisions.
However, there is flexibility within the common law system. In some instances, lower courts can modify or deviate from precedents if they are outdated or if the current case significantly differs from the precedent. Additionally, in a "case of first impression" without precedent or clear legislative guidance, judges are empowered to establish new precedent. This adaptability allows the law to be applied to situations that may not have been previously contemplated by the legislature.
Common law originated in England during the Middle Ages and spread to other parts of the world, including North America during the colonial period. Today, several countries, such as the US, Canada, India, and Australia, continue to rely on common law when resolving legal disputes. While each state within these countries may have its own case law, federal common law or rules created and applied by federal courts also exist.
In summary, common law is based on precedent and stare decisis, promoting stability and consistency in legal systems by providing a framework for judges to follow when deciding new cases. However, the flexibility of the common law system also allows for adaptability to changing circumstances and situations not previously contemplated.
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Common law is deeply rooted in stare decisis
Common law is a body of law based on court decisions rather than codes or statutes. It is derived from judicial decisions instead of statutes. It originated in England during the Middle Ages and is deeply rooted in the doctrine of stare decisis. Stare decisis is a Latin term that means "let the decision stand" or "to stand by things decided". It is a foundational concept in the American legal system, holding that courts and judges should honour precedent, or the decisions, rulings, and opinions from prior cases.
In other words, stare decisis dictates that courts and judges follow existing precedents and previous rulings when dealing with similar cases. This promotes stability and consistency in the legal system, as it ensures that the outcome of a case will be based on previous caselaw and not on subjective, personal viewpoints. It also lessens the need for subsequent litigation, saving time and energy for the judiciary.
The doctrine of stare decisis operates both horizontally and vertically. Horizontal stare decisis refers to a court adhering to its own precedent, while vertical stare decisis refers to a court applying precedent from a higher court. For example, if the Seventh Circuit Court of Appeals adhered to a previous ruling from the U.S. Supreme Court, that would be vertical stare decisis.
While stare decisis is a fundamental principle in common law, it is not without its limitations. Courts and judges may choose to overturn previous rulings or avoid following precedents if they believe that doing so would lead to unjust outcomes. This is particularly true in constitutional cases, where the U.S. Supreme Court has stated that stare decisis is not an "inexorable command".
In conclusion, common law is deeply rooted in stare decisis, as it relies on judicial decisions and precedent to guide its rulings. Stare decisis provides consistency and predictability to the legal system, but it also allows for flexibility and the evolution of legal principles over time.
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Common law is based on caselaw
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 the principle of stare decisis, which means "to stand by things decided". In other words, common law is based on the idea that courts should follow previous rulings and decisions when dealing with similar cases. This promotes stability and consistency in the legal system, as outcomes are based on previous case law rather than subjective viewpoints.
Common law originated in England during the Middle Ages and was spread to other parts of the world, particularly during the colonial period. Today, several countries continue to rely heavily on common law when resolving legal disputes, including the United States, Canada, India, Australia, and the United Kingdom.
The main sources for the history of common law in the Middle Ages are the plea rolls and the Year Books. The plea rolls were the official court records for the Courts of Common Pleas and King's Bench, written in Latin and organised by law term. These records, along with the Year Books, provide valuable insights into the development of common law and the doctrine of precedent during this period.
Common law is based on the principle of judicial precedent, where decisions are made based on previous similar cases rather than statutes. The presiding judge determines which precedents to apply when deciding a new case. In some instances, lower courts may modify or deviate from precedents if they are outdated or if the current case differs significantly. However, decisions made by higher courts are typically binding on lower courts within the same jurisdiction.
Common law also draws from institutionalised opinions and interpretations from judicial authorities and public juries. It allows for some freedom in interpretation, enabling the law to adapt to situations not contemplated by the legislature. This flexibility is one of the key advantages of common law systems, as it provides a dynamic and adaptable approach to resolving legal disputes.
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Common law is based on court decisions
Common law, also known as case law, is a body of unwritten laws based on previous court decisions, or legal precedents, rather than statutes. It is deeply rooted in the principle of stare decisis, which means "to stand by things decided". In other words, common law holds that courts and judges should follow past rulings when dealing with similar cases.
The form of reasoning used in common law is known as casuistry or case-based reasoning. It involves detailed records of similar situations and statutes, as there is no official legal code that can be applied to a specific case. The presiding judge determines which precedents to apply in deciding each new case. When a similar case has been resolved, courts typically align their reasoning with the precedent set in that decision.
Common law originated in England during the Middle Ages, and English common law was subsequently adopted by the American legal system. The doctrine of precedent developed during the 12th and 13th centuries, as the collective judicial decisions were based on tradition, custom, and precedent. Today, several countries continue to rely heavily on common law when resolving legal disputes, including the US, Canada, India, and Australia.
Common law is distinct from civil law, which is a comprehensive, codified set of legal statutes created by legislators. Civil law clearly defines the cases that can be brought to court, the procedures for handling claims, and the punishment for offences. In contrast, common law allows for flexibility in interpretation and can be adapted to situations not contemplated by the legislature.
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Common law is based on judge-made 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 the principle of stare decisis, which means "to stand by things decided". In other words, common law is based on the idea that judges should follow the decisions and rulings made in previous similar cases. This is in contrast to civil law systems, which rely primarily on codes and statutes.
The common law system originated in England during the Middle Ages and was spread to other parts of the world, particularly North America, during the colonial period. Today, several countries around the world, including the US, Canada, India, Australia, and the UK, continue to rely heavily on common law when resolving legal disputes.
In a common law legal system, judges play a crucial role in interpreting and applying the law. They are responsible for determining which precedents to apply in each new case, and they have the power to resolve issues and establish new precedents when no relevant precedent exists. This allows for flexibility and adaptability in the law, as it can be interpreted and applied differently depending on the specific circumstances of each case.
The doctrine of precedent, which is fundamental to common law, developed during the 12th and 13th centuries as a way to promote stability and consistency in the legal system. By following established precedents, judges ensure that similar cases are treated in a similar manner, providing predictability and consistency in the application of the law.
However, it is important to note that common law is not static and can evolve over time. While judges are generally bound by previous decisions, they may also modify, deviate from, or overturn precedents in certain circumstances, particularly if the precedent is outdated or substantially different from the current case. This allows the law to adapt to changing social norms and values, ensuring that the law remains relevant and responsive to the needs of society.
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