
Common law, also known as case law, is a type of legal system that originated in England during the Middle Ages. It is a body of unwritten laws based on legal precedents set by courts and judges' interpretations. This means that common law is flexible and can adapt to changes in society, as judges can overrule previous decisions without waiting for new statutes to be passed. While common law promotes stability and efficiency in the legal system, it has also been criticised for perpetuating unfair marginalisation and disempowerment of certain groups. Today, common law is one of the two main legal systems used worldwide, alongside civil law, which relies on codes and statutes created by legislators.
| Characteristics | Values |
|---|---|
| Definition | Common law, also known as case law, is a body of unwritten laws based on legal precedents established by the courts. |
| History | Common law originated in England during the Middle Ages, when King John was forced by his barons to sign the Magna Carta. |
| Geographic Reach | Common law is prevalent in countries that were once part of the British Empire, except Malta, Scotland, the U.S. state of Louisiana, and the Canadian province of Quebec. |
| Basis for Legislation | Common law serves as a basis for new legislation and has inspired laws such as the U.K.'s "outraging public decency" offense, which was recently used to criminalize "upskirting." |
| Comparison to Civil Law | Common law relies on caselaw and legal precedent, while civil law depends on codes and statutes created by legislators. |
| Flexibility | Common law is flexible as it can respond to societal changes and does not require lawmakers to pass changes in statutes. |
| Stability and Consistency | Common law promotes stability and consistency as outcomes are based on previous caselaw rather than subjective viewpoints. |
| Efficiency | Common law courts can save time and money as judges only need to follow precedent when making decisions. |
| Common-Law Marriage | A common-law marriage is a legal framework where couples are considered married without formal registration or a ceremony, but it is not common in the U.S. and varies by state. |
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What You'll Learn
- Common law is a body of unwritten laws based on legal precedents
- Common law is flexible and can respond to changes in society
- Common law promotes stability and consistency in the legal system
- Common-law marriage: a legal framework for non-ceremonial marriages
- Common law originated in England and spread to countries in the British Empire

Common law is a body of unwritten laws based on legal precedents
Common law is a type of legal system that is used in many countries around the world. It is also known as case law. It is different from civil law, which is the other main type of legal system. Civil law is a set of rules created by legislators that clearly states the cases that can be brought to court, how claims should be handled, and the punishments for different offences.
Common law is flexible because it can respond to changes in society. It does not require lawmakers to pass changes to the law, which can take a long time. Instead, judges can overrule past decisions if they think they are no longer correct. Common law promotes stability and consistency because everyone knows that the outcome of a case will be based on previous decisions, rather than the personal viewpoint of a judge. It also makes court cases quicker and cheaper.
Common law has been used in England since the Middle Ages. At that time, each local area in England had its own laws based on custom and tradition. Over time, the decisions made by judges became more important than the local laws, and these decisions were accepted as the body of English common law. Common law then became part of many countries that belonged to the British Empire. Today, the US uses both common law and civil law.
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Common law is flexible and can respond to changes in society
Common law is a body of unwritten laws based on legal precedents established by the courts. It draws from institutionalized opinions and interpretations from judicial authorities and public juries. Common law is also known as case law.
For example, in the UK, there is a common-law offence of "outraging public decency". In recent years, this law has been used to prosecute a new intrusive activity called "upskirting". In February 2019, the UK Parliament passed the Voyeurism (Offences) Act, which officially made upskirting a crime. This is an example of how common law can respond to changes in society and inspire new legislation.
Another example of common law responding to changes in society is the case of women's rights in the 19th and 20th centuries. In England, as late as the 1970s, common law held that when couples divorced, fathers—rather than mothers—were entitled to custody of the children. This bias kept women trapped in marriages. However, societal changes prompted a judicial body to overturn this precedent, and now mothers have the same rights as fathers in divorce cases.
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Common law promotes stability and consistency in the legal system
Common law is a set of unwritten rules that judges use to help them decide how to deal with new cases. These rules are based on how judges have decided similar cases in the past. This is sometimes called 'case law'.
Common law is used in many countries around the world, including the United States, Canada, India, Australia, and the United Kingdom. It started in England a long time ago, in the Middle Ages, and then spread to other countries.
Common law is different from civil law. Civil law is a set of written rules that tell judges what to do in different situations. These rules are made by people who work in government, like legislators or lawmakers.
Another way that common law promotes stability and consistency is by allowing the law to be flexible and adapt to changes in society. Unlike civil law, common law does not require lawmakers to make changes to the written rules, which can take a long time or may never happen. In common law, higher courts can overrule previous decisions if they are considered "bad law", without needing to wait for lawmakers to change the rules. This means that the law can keep up with changes in society and ensure that unfair or outdated decisions are not used as the basis for future cases.
Overall, common law promotes stability and consistency in the legal system by providing a framework for judges to make decisions based on past cases, allowing for predictable outcomes, and by offering flexibility to adapt the law to changing societal needs without relying solely on written rules.
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Common-law marriage: a legal framework for non-ceremonial marriages
Common law, also known as case law, is a body of unwritten laws based on legal precedents established by the courts. In other words, common law is a set of principles that guide judges in making decisions about future cases based on how similar past cases were handled.
In some countries, common law forms the basis of the legal system. In others, like the United States, there is a dual system of both common and civil law. Civil law, in contrast, is a comprehensive set of written rules created by legislators that clearly define how cases should be handled and what punishments should be given for specific offences.
Common-law marriage, also known as a non-ceremonial marriage, is a type of legal union that is recognised in some places that operate a common law system. Common-law marriage allows couples to be considered married without having formally registered their union through a civil or religious ceremony. In other words, if a couple meets the requirements, they can be considered legally married without having obtained a marriage license or participated in a marriage ceremony.
The specific requirements for a common-law marriage vary depending on the place, but there are some general criteria. Firstly, both partners must be of marriageable age and not already married or in another common-law marriage. Secondly, the couple must live together in a way that is recognised by society as indicative of a marital relationship. This usually involves cohabiting for a "significant" period, although there is no fixed duration for this. Finally, the couple must be living together voluntarily and consider themselves to be married.
It is important to note that common-law marriage should not be confused with cohabitation or other legally recognised domestic partnerships. While these relationships may share some similarities with common-law marriage, they are not legally recognised as marriages and do not carry the same rights and protections.
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Common law originated in England and spread to countries in the British Empire
Common law is a type of legal system that is used in many countries today. It is also known as case law and is made up of unwritten rules based on past court rulings. These rulings are known as precedents, and they guide judges in making decisions for similar cases in the future.
Common law has its roots in medieval England, specifically in the centuries following the Norman Conquest in 1066. It was common to all the king's courts across England, hence the name 'common law'. Before the Norman Conquest, England's legal business was handled by local folk courts in each shire and hundred. The Norman Conquest led to the establishment of a unified legal system across England, which gradually replaced the local folk courts.
England then spread the English legal system to the rest of the British Isles, starting with Wales, then Ireland, and eventually to its overseas colonies. This process continued as the British Empire expanded, and many former colonies still retain the common law system today.
Common law forms the basis of the legal systems of approximately one-third of the world's population, either in pure form or as part of a mixed system that integrates common law with civil law. Common law is practiced in countries such as Australia, Canada, Hong Kong, India, New Zealand, and the United Kingdom.
In summary, common law originated in England and spread to countries in the British Empire and beyond. It is a flexible system that allows for changes in society and does not require lawmakers to pass new statutes or codes. Instead, it relies on the precedents set by previous court decisions, promoting stability and consistency in the legal system.
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Frequently asked questions
Common law, also known as case law, is a body of unwritten laws based on legal precedents established by the courts. It draws from institutionalized opinions and interpretations from judicial authorities and public juries.
Civil law is a comprehensive set of legal statutes created by legislators. It clearly defines the cases that can be brought to court, the procedures for handling claims, and the punishment for an offence. Civil law systems rely primarily on codes and statutes, while common law systems rely on caselaw and legal precedent to guide their decisions.
A common-law marriage is a legal framework that may allow couples to be considered married without having formally registered their union as either a civil or religious marriage. The original concept of a "common-law" marriage is one considered valid by both partners, but not formally recorded with a state or religious registry, nor celebrated in a formal civil or religious service.








































