
Common law is a body of unwritten laws based on legal precedents established by the courts. It is derived from judicial decisions rather than statutes or constitutions. Common law is more malleable than statutory law, as common law courts can reinterpret and revise the law without legislative intervention. It is often considered to be judge-made law, which is at odds with a constitutional order based on the sovereignty of the people. However, common law is essential to understanding the original meaning of the Constitution and how it has been adapted over time.
| Characteristics | Values |
|---|---|
| Definition | Common law is a body of unwritten laws based on legal precedents established by the courts. |
| Basis of Decisions | Common law is derived from judicial decisions, not statutes or constitutions. |
| Jurisdiction | Common law is binding only within a specific jurisdiction, and even then, some courts have more authority than others. |
| Flexibility | Common law is more flexible than statutory law as it evolves gradually over time and can be reinterpreted or revised without legislative intervention. |
| Influence | Common law influences decision-making in unusual cases where existing statutes or written rules do not provide a clear outcome. |
| Interaction with Other Laws | Common law interacts with constitutional law, statutory law, and regulatory law, adding complexity to the legal system. |
| Historical Context | Common law was historically considered to originate from ancient Anglo-Saxon customs and was defined as "unwritten law." |
| Criticism | Critics view common law as "judge-made law," which contradicts a constitutional order based on the sovereignty of the people and elected representatives' power to legislate. |
| Understanding the Constitution | Understanding common law is essential to interpreting the original meaning of the Constitution and its adaptation over time. |
| Precedent | Common law relies on stare decisis, a history of judicial decisions that form the basis for evaluating future cases. |
| Codification | At the state level, legislatures may codify common law rules to give them permanence, modify them, or replace them with legislation. |
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What You'll Learn
- Common law is derived from judicial decisions, not statutes or constitutions
- Common law is a body of unwritten laws based on legal precedents
- Common law is more malleable than statutory law
- Common law and constitutional law interact in complex ways
- Common law has influenced the original and adapted meanings of the US Constitution

Common law is derived from judicial decisions, not statutes or constitutions
Common law is a body of unwritten laws based on legal precedents established by the courts. It is derived from judicial decisions, not statutes or constitutions. It draws from institutionalized opinions and interpretations from judicial authorities and public juries. Common law, also known as case law, relies on detailed records of similar situations and statutes because there is no official legal code that can be applied to a case at hand. The presiding judge determines which precedents apply to a particular case.
Common law is derived from judicial decisions, which are based on a multitude of particularized prior decisions. It is more malleable than statutory law as common law courts are not absolutely bound by precedent. They can reinterpret and revise the law without legislative intervention to adapt to new trends in political, legal and social philosophy. Common law evolves through a series of gradual steps, allowing the law to change substantially over time without a sharp break, thereby reducing disruption.
Common law is based on the principle of stare decisis, a Latin phrase that means "to stand by things decided". It requires courts and judges to follow earlier decisions and rulings when dealing with similar cases later. This promotes stability and consistency as it ensures that the ultimate outcome will be based on previous caselaw and not on subjective, personal viewpoints. It also makes court proceedings more efficient as judges need only follow precedent when making decisions, saving time and money.
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 an offense. It aims to create order and reduce bias by standardizing the application of laws across cases. In contrast, common law systems aim for consistent outcomes by applying the same standards of interpretation, and they can address situations not originally predicted by lawmakers.
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Common law is a body of unwritten laws based on legal precedents
The doctrine of precedent developed during the 12th and 13th centuries, emerging from collective judicial decisions based on tradition, custom, and precedent. The form of reasoning used in common law is known as casuistry or case-based reasoning. Common law, in its original form, acknowledged only specific forms of action and required careful drafting of the opening pleading (called a writ) to fit into one of the following categories: debt, detinue, covenant, special assumpsit, general assumpsit, trespass, trover, replevin, case (or trespass on the case), and ejectment.
Common law is based on the principle of stare decisis, a Latin phrase that means "to stand by things decided". In practice, this means that courts and judges must follow previous decisions and rulings, or caselaw, when handling similar cases in the future. For example, if a court makes a decision based on a specific set of facts, that decision is binding in future cases with the same or similar issues. The decisions of higher courts or legislatures carry more weight than those of lower courts, and lower courts can choose to modify or deviate from precedents if they are outdated or substantially different from the current case.
Common law is often associated with a common-law marriage, also known as a non-ceremonial marriage. This is a legal framework that allows couples to be considered married without a formally registered union. While it is not common in the US, several states have statutes or allow for common-law marriages under certain conditions.
Common law is practised in several countries, including the US, Australia, Canada, Hong Kong, India, New Zealand, and the UK. It originated from medieval England and was spread to North America during the 17th and 18th centuries.
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Common law is more malleable than statutory law
Common law, also known as case law, is a body of unwritten laws based on legal precedents established by the courts. Common law draws from institutionalized opinions and interpretations from judicial authorities and public juries. Common law is derived from its original appearance in medieval England, but it is still very much in effect in the US and other countries today. Common law is more malleable than statutory law due to several reasons.
Firstly, common law courts are not absolutely bound by precedent. They can reinterpret and revise the law, without legislative intervention, to adapt to new trends in political, legal, and social philosophy. This flexibility allows common law to evolve and change over time, ensuring that it remains relevant and responsive to societal changes. For example, in the context of women's rights, common law in England once held that fathers were entitled to custody of children in cases of divorce, which kept women trapped in marriages. However, societal changes prompted a judicial body to overturn this precedent, reflecting the evolving nature of common law.
Secondly, the common law evolves gradually through a series of incremental steps. Over a decade or more, the law can change substantially without a sharp break, reducing disruption. This gradual evolution allows for a smooth transition and ensures that the law can adapt to new circumstances without causing significant upheaval.
Thirdly, common law is more malleable as it relies on judicial decisions rather than statutes or constitutions. This means that the law can be interpreted and applied differently in each case, depending on the specific circumstances and the presiding judge's determination of which precedents apply. This flexibility allows for a more nuanced approach to the law but can also lead to complexity and inconsistencies in its application.
Finally, common law can inspire new legislation. In some cases, common law may furnish the basis for new laws to be written, allowing for a more dynamic and responsive legal system. For example, the ancient common-law offence of "outraging public decency" in the UK has been used recently to prosecute a new intrusive activity called "upskirting". This demonstrates how common law can adapt to modern issues and influence legislative changes.
In summary, common law is more malleable than statutory law due to its ability to be reinterpreted, its gradual evolution, its reliance on judicial decisions, and its potential to inspire new legislation. These characteristics of common law allow it to adapt to changing social, political, and legal landscapes, ensuring a more flexible and responsive legal system.
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Common law and constitutional law interact in complex ways
Constitutional law, on the other hand, is a comprehensive, codified set of legal statutes created by legislators. It is a civil system that clearly defines the cases that can be brought to court, the procedures for handling claims, and the punishment for an offense. While civil law is regularly updated, it aims to create order and reduce bias in the legal system.
The interaction between common law and constitutional law can be complex. Common law may influence the interpretation and application of constitutional law, especially in common law jurisdictions. For example, in the United States, federal courts interpret and determine the boundaries of the US Constitution through interstitial common law. Additionally, common law traditions and precedents can shape the understanding and evolution of constitutional principles over time.
On the other hand, constitutional law can provide a framework within which common law operates. It establishes the powers and limits of the judiciary, shaping the development of common law. Constitutional provisions may also be incorporated into common law through judicial interpretation and the creation of legal precedents.
Furthermore, the relationship between common law and constitutional law can be dynamic. Common law courts are not absolutely bound by precedent and can reinterpret and revise the law to adapt to new trends in legal, political, and social philosophy. This evolution of common law can, in turn, influence the interpretation and application of constitutional law.
In conclusion, the interaction between common law and constitutional law is intricate and multifaceted. They influence and shape each other, with common law providing precedents and interpretations that inform constitutional law, and constitutional law providing a framework that guides the development of common law. The dynamic nature of both systems contributes to the complexity of their interaction.
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Common law has influenced the original and adapted meanings of the US Constitution
Common law is a body of unwritten laws based on legal precedents established by the courts. It is derived from judicial decisions rather than statutes or constitutions. Common law draws from institutionalized opinions and interpretations from judicial authorities and public juries. It is sometimes referred to as case law.
The US common-law system evolved from a British tradition that spread to North America during the 17th and 18th centuries. All US states, except Louisiana, have either implemented reception statutes or adopted common law by judicial opinion. This means that the US Constitution, which is the nation's fundamental law, has been influenced by common law.
The US Constitution codifies the core values of the people, and courts have the responsibility to interpret its meaning, as well as the meaning of any laws passed by Congress. The Constitution is meant to protect the people's rights and freedoms, and if any law passed by Congress conflicts with it, the Constitution takes precedence.
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Frequently asked questions
Common law is a body of unwritten laws based on legal precedents established by the courts. Common law draws from institutionalized opinions and interpretations from judicial authorities and public juries.
Common law is derived from judicial decisions instead of statutes. Common law courts are not bound by precedent, but they can reinterpret and revise the law without legislative intervention. Common law evolves through a series of gradual steps, allowing the law to change substantially over a decade or more without a sharp break.
Constitutional law is a written set of legal statutes created by legislators, whereas common law is unwritten and based on precedent. Common law is more malleable than constitutional law.
Common law and constitutional law interact in complex ways. While common law is derived from judicial decisions, it can influence the interpretation of the constitution and the way its meaning has been adapted over time.
















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