
There is no general federal common law, and common law is not common in the US. However, there are a number of US states that have statutes or allow for common law marriage if they meet certain requirements. 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. It is one of the two main legal systems used throughout the world, alongside civil law. Common law is practiced in Canada (excluding Quebec), Australia, New Zealand, most of the United Kingdom (England, Wales, and Northern Ireland), South Africa, Ireland, India (excluding Goa and Puducherry), Pakistan, Hong Kong, the United States (on state and territorial levels excluding Louisiana and Puerto Rico), Bangladesh, and many other places.
| Characteristics | Values |
|---|---|
| Definition | Common law is a body of unwritten laws based on legal precedents established by the courts. |
| Basis | Common law relies on detailed records of similar situations and statutes because there is no official legal code that can be applied to a case. |
| Pros | Stability and consistency, efficiency, adaptability to the unforeseen, flexibility |
| Cons | Past decisions continue to shape future rulings until societal changes prompt a judicial body to overturn the precedent. |
| Common law vs civil law | Civil law is a comprehensive, codified set of legal statutes created by legislators. |
| Countries that practice common law | Canada (excluding Quebec), Australia, New Zealand, most of the United Kingdom (England, Wales, and Northern Ireland), South Africa, Ireland, India (excluding Goa and Puducherry), Pakistan, Hong Kong, the United States (on state and territorial levels excluding Louisiana and Puerto Rico), Bangladesh, and many other places. |
| Countries that practice civil law | Islamic countries including Saudi Arabia and Iran, and many countries in mainland Europe. |
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Common law vs civil law
There are two main types of legal systems in the world: common law and civil law. Common law is a body of unwritten laws based on legal precedents established by the courts. It is primarily influenced by caselaw and legal precedent to guide decisions. Common law originated in medieval England and is the system used in many former British colonies or protectorates, including the United States. It is characterized by its reliance on judicial precedent, where past court decisions are considered legally binding. This provides stability and consistency in the legal system and allows for efficient and adaptable decision-making.
On the other hand, civil law is a comprehensive, codified set of legal statutes created by legislators. It is rooted in the Roman Empire and was later influenced by Napoleonic, Germanic, canonical, and feudal legal traditions. Civil law systems rely primarily on codes and statutes, with civil law judges giving less weight to judicial precedent. This system provides clear rules for judges to follow in specific disputes and aims to create order and reduce bias. Civil law is practiced in about 150 countries, making it the world's most common legal system.
One key difference between the two systems is their approach to contracts. Common law systems have extensive freedom of contract, with few implied provisions, while civil law systems imply various provisions, such as equal bargaining provisions, into contracts. Civil law systems also tend to have shorter contracts as they focus less on setting out all the terms and can rely on the operation of law to remedy ambiguities. In a civil law jurisdiction, contracts are typically enforced by administrative courts, unless the parties agree to arbitration.
Another distinction is the flexibility of the two systems. Common law is considered more flexible as it can respond to changes in society without requiring changes to statutes or codes. Higher courts in common law systems can overrule prior decisions if they are deemed outdated or no longer applicable. In contrast, civil law systems may take longer to adapt as they rely on standardized codes, and changes may require legislative action.
While common law promotes stability and consistency through its reliance on precedent, civil law achieves consistency by providing clear and standardized rules for judges to follow. Both systems aim to establish consistent outcomes by applying uniform standards of interpretation, albeit through different approaches.
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Common law marriage
Common-law marriage, also known as non-ceremonial marriage, is a marriage that occurs without the need for a marriage license or a ceremony. It is a marriage that results from an agreement between two people who intend to be married, followed by cohabitation.
Common-law marriage is not recognized in all jurisdictions, but those that do not often still respect the validity of such marriages when lawfully entered in another state or country. In the United States, common-law marriage is recognized in seven states and the District of Columbia, and nine other states recognize it with some restrictions. Common-law marriage has existed in the United States since colonial times when America was a colony of England.
The requirements for common-law marriage vary depending on the state, but generally, couples must live together for a period of time, hold themselves out to friends, family, and the community as "married", and have the legal right or "capacity" to marry. This typically means that both partners must be at least 18 years old, of sound mind, and not already married to other people.
The history of common-law marriage dates back to ancient Greece and Rome, where marriages were private agreements between individuals and estates. In medieval Europe, marriage came under the jurisdiction of canon law, which recognized as valid marriages in which the parties stated they took each other as husband and wife, even in the absence of any witnesses. The Catholic Church later forbade clandestine marriage at the Fourth Lateran Council in 1215, requiring all marriages to be announced in a church by a priest.
In conclusion, common-law marriage is a legal framework that allows couples to be considered married without a formal ceremony or license, and while it is not recognized in all jurisdictions, it is still respected in many places as a valid form of marriage.
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Common law countries
Common law, also known as case law, is a body of unwritten laws based on legal precedents established by the courts. It is one of the two main legal systems used throughout the world, the other being civil law. Common law originated in England following the Norman Conquest of 1066 and spread around the world as England built its empire.
In common law systems, judges rely on detailed records of similar situations and statutes to determine which precedents apply to a particular case, as there is no official legal code that can be applied. This promotes stability and consistency in the legal system, as outcomes are based on previous caselaw rather than subjective viewpoints. Common law also allows for adaptability and flexibility, as courts can address situations not originally predicted by lawmakers and higher courts can overrule prior decisions as "bad law" without waiting for lawmakers to make changes.
However, the traditions of common law have also led to the unfair marginalization or disempowerment of certain groups, as past decisions continue to shape future rulings until societal changes prompt a judicial body to overturn the precedent. This has made it challenging for marginalized parties to achieve favorable rulings until popular thought or civil legislation changes the interpretation of common law.
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Common law and marginalization
Common law is a body of unwritten laws based on legal precedents established by the courts. It is one of the two main legal systems used today throughout the world, the other being civil law. Common law systems rely on case law and legal precedent to guide their decisions, while civil law systems rely primarily on codes and statutes.
The history of common law has been marred by the unfair marginalization and disempowerment of certain groups. The traditions of common law have allowed past decisions to continue to shape future rulings until societal changes prompt a judicial body to overturn the precedent. This dynamic has made it difficult for marginalized parties to pursue favorable rulings until popular thought or civil legislation changes the interpretation of common law. Feminists in the 19th and early 20th centuries who fought for women's rights often faced such difficulties.
The concept of the 'margin' in law is derived from its Latin roots in medieval natural history. It is a reminder that law is a creature of indeterminate and changeable shape and size. The 'shoreline' of the law is indistinct, with authorities approved and applied in some places and distinguished or not followed in others.
In the context of common law, marginalization can occur when certain legal points are prioritized as the reason for a decision (ratio decidendi), while other reasons are relegated to the position of obiter dicta, or remarks that are not central to the decision. This process can result in the marginalization of certain issues or perspectives that are deemed less important or relevant.
Additionally, common law systems can contribute to social inequality and the marginalization of certain groups. For example, intestate laws in the United States have been found to disadvantage individuals or groups by transforming inherently ordered social classifications into consequential legal categories. This has resulted in the marginalization of individuals of color, those with less wealth, and those with nontraditional family structures.
To address these issues, common law systems must strive for adaptability, flexibility, and responsiveness to changes in society. While common law promotes stability and consistency by relying on past precedents, it is also important for higher courts to have the authority to overrule outdated or biased decisions and promote a more inclusive and equitable interpretation of the law.
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Common law and commercial systems
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. It is deeply rooted in stare decisis, a Latin phrase that roughly translates to "to stand by things decided". In practice, stare decisis means that judges need to follow earlier decisions and rulings when dealing with similar cases later. Common law originated in England during the Middle Ages and was spread to the British Isles, Wales, Ireland, and overseas colonies.
Today, several countries continue to rely heavily on common law when resolving legal disputes, including the United States, Canada, India, and Australia. All US states with the partial exception of Louisiana have implemented reception statutes or adopted common law by judicial opinion. Common law systems have greater flexibility in granting different types of security over assets, an important feature of PPP arrangements involving commercial funding. They also have the concept of trusts, which enable security interests to be held by a trustee for lenders in a syndicated loan situation without the need for formal transfer or re-registration of security interests in the names of new lenders.
Civil law systems, on the other hand, rely primarily on codes and statutes. Civil law, which originated in mainland Europe, centers around a comprehensive code of statutes that outline the procedures for handling claims and the punishment for offenses. Civil law systems are generally more prescriptive than common law systems, with many provisions implied into a contract by law. In contrast, common law systems offer greater freedom of contract, with few provisions implied into a contract.
In the United States, the Uniform Commercial Code (UCC) is an example of a codified framework governing various aspects of commercial law. The UCC has been universally adopted by all 50 states, the District of Columbia, Puerto Rico, and the Virgin Islands. The uniformity of law is essential for the interstate transaction of business, and the resulting certainty of business relationships allows businesses to grow and the economy to thrive.
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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. Common 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.
Common law is one of the most widespread legal systems in the world, employed by the greatest number of people compared to any single civil law system. Common law is practiced in Canada (excluding Quebec and partially in Louisiana), Australia, New Zealand, most of the United Kingdom (England, Wales, and Northern Ireland), South Africa, Ireland, India (excluding Goa and Puducherry), Pakistan, Hong Kong, the United States (on state and territorial levels, including Alabama), Bangladesh, and many other places.
While common law is not common among the U.S., there is a limited body of federal common law, which refers to rules created and applied by federal courts in the absence of any controlling federal statute. The Erie Court stated that there is no "general federal common law". However, most common law is found at the state level, and many U.S. states have implemented reception statutes or adopted common law by judicial opinion.





















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