
Common law is a legal system based on judicial precedent rather than statutes. It is deeply rooted in stare decisis, which means to stand by things decided. It is also referred to as case law, as it is the law created by judges for decisions on individual cases or disputes. Common law originated in England and has been widely adopted, including in the US, except for Louisiana, which follows civil code. The common law system gives precedence to the common law because it is considered unfair to treat the same facts differently in different situations. It is adaptable to evolving social and economic contexts. However, it is more malleable than statutory law, as common law courts are not absolutely bound by precedent and can reinterpret and revise the law without legislative intervention.
| Characteristics | Values |
|---|---|
| Definition | A body of law developed through judicial decisions and precedents rather than statutes. |
| Basis | Precedent, also known as stare decisis or "to stand by things decided". |
| Application | Judges decide cases based on prior rulings or consider the reasoning of previous judges. |
| Flexibility | More flexible than statutory law as it evolves through a series of gradual steps. |
| Scope | Used in the US (except Louisiana), UK, Canada, Australia, and many former colonies. |
| Pros | Provides consistency and predictability in legal rulings. |
| Cons | May not be as standardized and unbiased as civil law. |
| Examples | Roe v. Wade (1973), Dobbs v. (2022) |
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What You'll Learn

Common law is based on precedent and prior rulings
Common law, also known as judicial precedent, case law, or judge-made law, is a legal system based on precedent and prior rulings rather than statutes. It is deeply rooted in the principle of stare decisis, which means "to stand by things decided". This means that common law is primarily developed through judicial decisions and evolves over time, adapting to new trends in political, legal, and social philosophy.
In common law systems, stare decisis has a binding effect on judges and courts, requiring them to follow established precedents. This ensures consistency in legal rulings and helps achieve the goal of common law, which is to provide uniformity and predictability in how courts handle offenses. It is important to note that stare decisis stipulates that cases with similar facts must lead to similar results. However, lower courts have the authority to depart from precedents if the judge finds them outdated or not applicable to the current case.
The process of establishing a precedent begins with a judicial decision in a previous case with similar facts. This decision then serves as a foundation for future court decisions in similar cases, guiding judges in their interpretation of the law. The weight given to a precedent depends on factors such as court hierarchy, case relevance, and jurisdiction. For example, in the US, legal precedent set by higher courts, such as federal courts, is legally binding for lower courts.
While common law is based on precedent, it is not absolutely bound by it. Judges in common law courts have the power to reinterpret and revise the law when presented with extraordinarily good reasons, even without legislative intervention. This flexibility allows common law to evolve through a series of gradual steps, ensuring that the law can change substantially over time without causing disruption.
In summary, common law is a dynamic legal system that values consistency and predictability through its reliance on precedent and prior rulings. It adapts to societal changes and new trends by allowing judges to interpret and apply the law based on the specific circumstances of each case, contributing to the evolution of legal interpretations and rulings over time.
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Common law is adaptable to evolving social and economic contexts
Common law is a legal system based on judicial precedent rather than statutes. It is deeply rooted in the principle of stare decisis, which means "to stand by things decided". This means that common law is primarily developed through judicial decisions and the interpretation of past rulings, rather than being based on a set of formal statutes.
Common law is also adaptable as it evolves through a series of gradual steps, so that over a decade or more, the law can change substantially without causing disruption. This is in contrast to civil law, which provides more uniformity and predictability. The flexibility of common law allows for case-by-case evolution, which can be beneficial in creating a consistent and predictable legal system.
The adaptability of common law is further demonstrated in its ability to handle interstate disputes and federal government interests, such as foreign relations and maritime law. Additionally, common law can be chosen by parties in different jurisdictions, especially those in former British colonies, as it provides predictability and simplicity in contractual relations.
Overall, common law is adaptable to evolving social and economic contexts due to its reliance on judicial precedent, flexibility in interpretation, and ability to evolve through gradual steps.
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Common law is deeply rooted in stare decisis
Common law is a body of law that is primarily developed through judicial decisions and rulings made in previous similar cases, rather than statutes. It is deeply rooted in stare decisis, which translates to "to stand by things decided". Stare decisis is a Latin term for the principle of legal precedent, which forms the basis of common law.
Stare decisis dictates that courts adhere to precedents established by previous decisions when resolving similar cases. This means that courts will typically align their reasoning and outcomes with those established in previous rulings. The doctrine of stare decisis is integral to the common law system as it provides consistency and predictability in the law. This predictability allows citizens to order their affairs with confidence, knowing their rights and duties.
The common law system, also known as case law or judge-made law, is based on court-established legal precedents rather than formal statutes. It is a flexible system that allows for the evolution of the law over time. While judges are bound by precedent, they also have the power to reinterpret and revise the law without legislative intervention when there is a good reason to do so. This flexibility allows the common law to adapt to changing trends and philosophies in society.
The process of determining the applicable law in a given situation under the common law system involves several stages of research and analysis. This includes ascertaining the facts, locating relevant statutes and cases, extracting principles and statements from various courts, and integrating this information to determine the applicable law. The decisions of a court under the common law system are binding only in a specific jurisdiction, and even within that jurisdiction, some courts may have more power than others.
The United States, Canada, the United Kingdom, and most Commonwealth members utilize the common law system to varying degrees. State supreme courts in the United States, as common-law courts, are empowered to develop common-law doctrines in addition to interpreting democratically enacted texts. This unique role of state supreme courts has led to discussions about distinct approaches to stare decisis in the context of interpreting statutes and constitutions, and resolving common-law disputes.
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Common law is also known as case law
Common law, also known as case law, is a system of law that is based on judicial decisions from previous similar cases, rather than statutes or constitutions. It is a deeply rooted tradition in the English legal system and is currently practised in the United States, the United Kingdom, Canada, and most states that are members of the Commonwealth.
Common law is based on the concept of stare decisis, a Latin phrase meaning "let the decision stand" or "to stand by things decided". This means that judges are bound by past decisions made in previous similar cases, and these decisions are used as a foundation for future court rulings. The goal of common law is to provide consistency in how courts handle offences and create an interpretation standard. It is also referred to as judge-made law, as judges are given the power to interpret and apply the law to individual cases, and their decisions become a form of law.
In a common law jurisdiction, a series of steps are required to determine "what the law is" in a given situation. This includes ascertaining the facts, locating relevant statutes and cases, extracting principles and statements from various courts, and then applying that law to the facts of the present case. The decisions of a court are binding only in a particular jurisdiction, and even within a jurisdiction, some courts have more power than others. For example, in the US, the federal courts have higher authority than lower courts, and their legal precedents are legally binding for all cases that go through the lower courts.
Common law is often compared with civil law, which is a set of established and systematized legal statutes put together by legislators. Civil law details the types of cases that can be brought to court, how claims are handled, court procedures, and the scope of punishment for each offence. It is frequently updated to keep up with changing legislation and to ensure an unbiased application of the law. In contrast, common law is more malleable and allows for the interpretation and revision of the law to adapt to new trends.
The role of case law in common law traditions differs from that in civil law traditions. In common law, courts generally explain the legal rationale behind their decisions, with citations of legislation and previous relevant judgments, and interpret wider legal principles. These interpretations then become precedent for future cases. In civil law, court decisions are historically brief and less focused on establishing precedent, with much of the exposition of the law done by academics rather than judges.
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Common law is based on Anglo-American law
Common law is a body of law based on the English legal system, also known as Anglo-American law. It is a general system of legal concepts and techniques of application that form the basis of the law in jurisdictions where the system is applied. Common law is primarily developed through judicial decisions, or judge-made law, rather than statutes. It is deeply rooted in stare decisis, which means "to stand by things decided", where courts follow precedents established by previous decisions.
Common law originated in the practices of the courts of the English kings in the centuries following the Norman Conquest in 1066. It established a unified legal system, gradually supplanting local folk courts and manorial courts. The English legal system was spread across the British Isles, first to Wales, then to Ireland and overseas colonies, and later throughout the British Empire. Many former colonies, including the United States, retain the common law system today.
In the US, common law became the source of law during the 17th and 18th centuries as a further developed form of British common law traditions. Common law is practised in all US states except Louisiana, whose courts also incorporate elements of civil code from France and Spain. Common law is also practised in Canada and most states that are members of the Commonwealth.
In a common law jurisdiction, several stages of research and analysis are required to determine "what the law is" in a given situation. This includes ascertaining the facts, locating relevant statutes and cases, extracting principles, analogies, and statements by various courts, and then integrating all the information to determine "what the law is" and applying it to the facts. 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 set of established and systematized legal statutes put together by legislators. Civil law details what type of cases can be brought to court, how each claim is handled, court procedure, and the scope of punishment for each offence. It is frequently updated to keep up with cases that may not fit the current legislature. In a common law court, judges have more flexibility to interpret the statute and rely more on judicial precedent, whereas civil law judges have an investigative role, bringing charges, discerning facts from witness examinations, and applying solutions found in the law.
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Frequently asked questions
Common law is a legal system based on judicial precedent rather than statutes. It is deeply rooted in stare decisis, which means "to stand by things decided".
Common law is based on the concept of precedence, which requires judges to decide a case based on prior rulings or, at a minimum, consider the reasoning of prior judges when deciding a case with similar facts.
Civil law is a set of established and systematized legal statutes put together by legislators. Civil law details what type of cases can be brought to court, how each claim is handled, court procedure, and the scope of punishment for each offence. Civil law judges apply statutes strictly, whereas common law judges interpret past rulings.
Common law originated in England and has been widely adopted, including in the US (except Louisiana), the UK, Canada, Australia, and most Commonwealth countries. 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.
Common law provides consistency in how courts handle offences and create interpretation standards. It also allows for case-by-case evolution, making it adaptable to evolving social and economic contexts.









































