
The evolution of common law has been influenced by various factors, including the development of permanent royal courts, the expansion of feudalism, and the establishment of precedents. It originated in the early Middle Ages in the King's Court, where judges played a crucial role in shaping the law through their interpretations of customs and the creation of precedents. The doctrine of precedent, known as stare decisis, emerged during the 12th and 13th centuries, with judges bound to follow the decisions of earlier judges in similar cases. The main sources for the history of common law during this period are the plea rolls and the Year Books, which provide valuable insights into the legal practices of the time. Henry II's reforms, including the establishment of the Grand Jury and the practice of sending judges to hear disputes across the country, also contributed to the development of common law. Over time, common law evolved and spread, influencing the legal systems of the United States and Commonwealth nations.
| Characteristics | Values |
|---|---|
| Definition | Common law is the body of law primarily developed through judicial decisions rather than statutes. |
| History | The English common law originated in the early Middle Ages in the King's Court (Curia Regis), a single royal court set up for most of the country in Westminster, near London. |
| Development | Common law was developed by judges, who interpreted customs and recorded and filed their decisions. Over time, the principle of stare decisis (precedent) developed, where judges were bound to follow the decisions of earlier judges in similar cases. |
| Sources | The main sources for the history of common law in the Middle Ages are the plea rolls and the Year Books, which are deposited in the UK National Archives. |
| Influence | Common law has influenced the legal systems of the United States and most member states of the Commonwealth. |
| Relationship with Statutes | Common law may incorporate certain statutes, but it is largely based on precedent and judicial rulings. Statutes can supersede, codify, or legislatively overrule common law. |
| Characteristics | Common law was initially inflexible and procedurally unwieldy, but it has evolved to become more reliable and predictable than civil law due to adherence to stare decisis. |
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The evolution of common law
The 12th century saw a shift across northwestern Europe towards formal government and bureaucratic systems. In England, this was marked by the establishment of permanent royal courts, such as the Courts of the King's Bench and of Common Pleas, during the reign of Henry II. This expansion of royal justice, which came to be known as the "Common Law", aimed to create a uniform system of law across the country, incorporating customary norms related to crime, family, property, and inheritance.
The doctrine of precedent, or stare decisis, also emerged during the 12th and 13th centuries. This principle held that judges were bound to follow the decisions of earlier judges in similar cases, creating a consistent body of law that was common throughout the king's courts. The main sources of information about the evolution of common law during this time are the plea rolls and the Year Books, which were written in Latin and deposited in the UK National Archives.
Over time, common law continued to evolve primarily through judicial decisions rather than statutes. This evolution was influenced by the judges' reasoning and rationales, which often carried more weight than the outcome of individual cases. The form of reasoning used in common law is known as casuistry or case-based reasoning. While common law originated in England, it has since spread to other parts of the world, including the United States and the member states of the Commonwealth.
In summary, the evolution of common law has been a gradual process, shaped by the decisions and interpretations of judges, the establishment of precedents, and the influence of social values and popular understandings. Common law has played a significant role in shaping the legal systems of many countries and continues to be a dynamic and evolving body of law.
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Judges and their role
Henry II revolutionised the legal landscape by deploying around 20 to 30 judges from his Curia Regis to resolve disputes across the country. These itinerant justices would interpret customs, make decisions, and record their rulings. Over time, the stare decisis principle evolved, binding judges to follow the decisions of earlier judges in similar cases. This created a body of law based on judicial precedent, also known as judge-made law or case law.
The judges' rulings were recorded in plea rolls, which were the official court records for the Courts of Common Pleas and King's Bench, written in Latin and organised by law terms. These records, along with the Year Books, serve as primary sources for the history of common law in the Middle Ages. The doctrine of precedent emerged during the 12th and 13th centuries, with judicial decisions rooted in tradition, custom, and precedent.
The role of judges in common law continued to evolve, and by the later Middle Ages, three superior courts of law were established: the Common Pleas, the King's Bench, and the Exchequer of Pleas. These courts, based in Westminster Hall, administered the common law, which contrasted with the equity administered in the Court of Chancery. The Common Pleas, secured by the Magna Carta, was the prime court for civil suits, while the King's Bench dealt with criminal matters and the Exchequer of Pleas focused on revenue cases.
The influence of judges in common law extended beyond England, impacting the legal systems of the United States and Commonwealth nations. The Massachusetts Reports, for example, became a key source of precedent for newer states establishing their own common law. While common law has evolved and adapted to social changes, the role of judges remains crucial, as they continue to interpret and apply precedents, shape legal principles, and contribute to the evolving body of case law.
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Precedent and stare decisis
Common law, also known as judicial precedent, judge-made law, or case law, is deeply rooted in the principle of stare decisis, which translates to "to stand by things decided". This principle dictates that a court's decision must lead to a cohesive and predictable outcome.
The doctrine of precedent developed during the 12th and 13th centuries, as the collective judicial decisions that were based on tradition, custom, and precedent. Precedent is a defining feature of common law systems, where judicial rulings made in previous similar cases guide future rulings. This promotes consistency and predictability in the legal system. In common law, precedent can be binding, meaning courts must follow it, or persuasive, where courts can consider it but are not bound to follow it.
Stare decisis operates both horizontally and vertically. Vertical stare decisis means that lower courts are strictly bound to follow the decisions of higher courts within the same jurisdiction. For example, a state court ruling on federal law is bound only by the rulings of the Supreme Court, but not by decisions of federal district or circuit courts of appeals. Horizontal stare decisis refers to the principle that a court adheres to its previous rulings. For instance, the U.S. Supreme Court adheres to its prior decisions unless there is a compelling reason to overturn precedent.
Courts are obligated to uphold their previous rulings or the rulings of higher courts in the same court system under stare decisis. However, in unique cases with no clear precedent, judges have the authority to establish new precedent. This flexibility allows the legal system to adapt to new situations and evolving societal needs.
The evolution of common law and the application of stare decisis have resulted in the development of the modern legal system, where rights are seen as primary over procedure. This evolution is ongoing, with judges continuing to shape the law through their interpretations and rulings.
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Sources of common law history
The sources of common law history are varied and date back to the early Middle Ages. The English common law, which originated in the King's Court (Curia Regis), was a single royal court set up for most of the country in Westminster, near London.
The main sources for the history of common law in the Middle Ages are the plea rolls and the Year Books. The plea rolls, written in Latin, were the official court records for the Courts of Common Pleas and the King's Bench. They are now deposited in the UK National Archives, and images of the rolls from the 13th to the 17th centuries can be viewed online at the Anglo-American Legal Tradition site.
Common law, or case law, is primarily developed through judicial decisions, with judges interpreting customs and precedents. These decisions are recorded and filed, and over time, a rule known as stare decisis (or precedent) developed, where judges were bound to follow the decision of an earlier judge in similar cases. This is why common law is often referred to as "judge-made law".
Commentaries on the Laws of England, written by Sir William Blackstone and first published in 1765, is another important historical treatise on common law. Justice Oliver Wendell Holmes Jr.'s book, The Common Law, is also considered a classic in the field, as it describes the common law process.
Common law systems place great weight on precedent, in contrast to civil law systems, which trace their history back to Roman law. The evolution of common law can be seen in the law of negligence, where judicial opinions and rationales are often more important than the outcome of a particular case.
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Common law in the modern era
Common law, also known as judicial precedent, judge-made law, or case law, is a body of unwritten laws based on legal precedents established by the courts. It is primarily developed through judicial decisions rather than statutes. Common law draws from institutionalized opinions and interpretations from judicial authorities and public juries.
In the modern era, common law is deeply rooted in stare decisis, which means "to stand by things decided". Here, courts follow precedents established by previous decisions. When resolving a dispute, judges are required to apply the same principles and interpretations of the law as an earlier judge in cases with similar facts. In the absence of a precedent, judges are empowered to resolve the issue and establish a new precedent.
Common law has evolved over time and continues to be relevant in the modern era. It is practised in several countries, including Australia, Canada, India, the United Kingdom, and most member states of the Commonwealth. In the United States, common law influences the decision-making process in unusual cases where existing statutes do not provide a clear resolution.
While common law is primarily based on precedent, it may also incorporate certain statutes. Statutes are generally understood to supersede common law and can codify, create new causes of action, or overrule existing common law. Common law still has practical applications in some areas, such as contract law and the law of torts.
The evolution of common law is driven by judges, who have "made law" for centuries. This evolution is reflected in the judicial opinions and rationales provided in court decisions, which can be balanced with judgment in future cases.
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Frequently asked questions
The evolution of common law has been influenced by judges, legislators, and historical events. 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 deposited in the UK National Archives.
Common law, also known as judicial precedent, judge-made law, or case law, is a body of law primarily developed through judicial decisions rather than statutes. It is based on the principle of stare decisis, which means "to stand by things decided" and involves following precedents established by previous decisions.
Common law has evolved from being inflexible and procedurally unwieldy to becoming more reliable and predictable than civil law. It has expanded its scope from primarily local, informal power arrangements to formal government organizations. The development of common law has been influenced by historical events such as the Norman Conquest, the Magna Carta, and the establishment of Parliament.











































