Keith Mack
Common law and constitutional law are two distinct legal concepts that play a significant role in shaping the legal systems of various countries, particularly common law countries. Common law, also known as case law, is a body of unwritten laws based on legal precedents established by courts. It draws from institutionalized opinions and interpretations of judicial authorities and public juries. On the other hand, constitutional law refers to the written laws and principles enshrined within a country's constitution, which serves as the fundamental framework for its legal system. While common law influences the decision-making process in unusual cases not covered by existing statutes, constitutional law establishes the core rules and principles that govern a country's legal system and the interpretation of its laws.
| Characteristics | Common Law | Constitutional Law |
|---|---|---|
| Basis | Draws from institutionalized opinions and interpretations from judicial authorities and public juries | Based on the Constitution |
| Jurisdiction | Decisions of a court are binding only in a particular jurisdiction | Handles issues like civil rights, immigration, interstate commerce, and federal issues |
| Precedent | Relies on detailed records of similar situations and statutes; lower courts can choose to modify or deviate from precedents if outdated or substantially different | N/A |
| Legislation | Can furnish the basis for new legislation | N/A |
| Complexity | Interactions with other types of law can give rise to complexity | N/A |
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What You'll Learn
Common law vs civil law
Common law and civil law are two different legal systems with distinct characteristics. Common law, also known as case law, is a system that originated in medieval England and is based on judicial precedent and uncodified case law. It is heavily influenced by institutionalized opinions and interpretations from judicial authorities and public juries. Common law systems are generally less prescriptive, giving judges more flexibility in interpreting the law and creating new laws in certain areas. Countries that follow a common law system are typically former British colonies or protectorates, including the United States.
On the other hand, civil law, rooted in the Roman Empire, is characterized by its reliance on comprehensive and codified legal statutes created by legislators. Civil law systems are more prescriptive, with detailed laws that are regularly updated to maintain order and reduce bias. Civil law countries include Germany and France, and they tend to have more standardized codes that apply across different regions.
One key difference between the two systems is their approach to precedent and written decisions. Common law systems heavily emphasize precedent, where past judicial decisions form the basis for evaluating future cases. In contrast, civil law judges tend to give less weight to precedent and may be expressly forbidden from pronouncing general principles of law, as in the case of the Napoleonic Code.
Another distinction is the appointment process for judges. In common law jurisdictions, judges are usually appointed after successful legal careers, while civil law systems often appoint recent university graduates. This difference can impact a judge's worldview and approach to legal disputes.
Additionally, contracts are treated differently in common law and civil law systems. In common law, contracts tend to have fewer implied provisions, requiring all terms governing the relationship between the parties to be explicitly stated in the contract. In civil law, there are generally more provisions implied into contracts, and ambiguities or inadequacies can be resolved by operation of law.
It is worth noting that some countries, like the United States, have a mix of both common law and civil law influences. Louisiana, for example, has a unique blend of civil and common law traditions.
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Common law jurisdictions
Common law, also known as case law, is a body of unwritten laws based on legal precedents established by the courts. Common law systems trace their history to English common law, while civil law systems trace their roots through the Napoleonic Code back to Roman law. Common law is usually contrasted with civil law, which is a comprehensive, codified set of legal statutes created by legislators. Civil law is used in Continental Europe, Mexico, most of Central and South America, and some African countries. Common law, on the other hand, is practiced in the United States, the United Kingdom, Australia, Canada, Hong Kong, India, and New Zealand.
In common law jurisdictions, there is no official legal code that can be directly applied to a case. Instead, judges rely on detailed records of similar situations and statutes to determine which precedents apply to a particular case. The decisions of higher courts are binding on lower courts within the same jurisdiction, and lower courts can rarely overturn these precedents. However, lower courts can modify or deviate from precedents if they are outdated or if the current case is substantially different. This system promotes stability and consistency in the legal system.
The role of written decisions and precedent is a defining feature of common law legal systems. Common law draws from institutionalized opinions and interpretations of judicial authorities and public juries. While the goal of common law is to establish consistent outcomes, elements of common law may differ between districts due to varying precedents and traditions. Common law has also served as the basis for new legislation, such as the U.K.'s Voyeurism (Offences) Act, which criminalized "upskirting".
In the United States, the federal common law was historically limited to certain jurisdictions stated in the Constitution, such as admiralty. However, later courts have created situations where federal courts can create federal common law rules without express statutory authority, such as in areas of uniquely federal interests like foreign affairs. Congress can also legislatively overrule federal courts' common law, except on Constitutional issues and some procedural issues.
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Common law and precedent
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 usually contrasted with the civil law system, which is a comprehensive, codified set of legal statutes created by legislators. While civil law clearly defines the cases that can be brought to court, the procedures for handling claims, and the punishment for an offence, common law relies on detailed records of similar situations and statutes because there is no official legal code that can apply to a specific case.
In common law, the judge presiding over a case determines which precedents apply to that particular case. The example set by higher courts is binding on cases tried in lower courts. This system promotes stability and consistency in the U.S. legal justice system. However, lower courts can choose to modify or deviate from precedents if they are outdated or if the current case is substantially different from the precedent case. Lower courts can also choose to overturn the precedent, but this rarely occurs.
Precedent, also known as stare decisis, is a history of judicial decisions that form the basis of evaluation for future cases. A precedent is a principle or rule that is used by a court when deciding the law applied to a case with similar facts to a previous case. In some instances, precedent depends on the case-by-case traditions of individual jurisdictions. As a result, elements of common law may differ between districts.
Common law systems trace their history to English common law, while civil law systems trace their history through the Napoleonic Code back to the Corpus Juris Civilis of Roman law. Today, common law is practiced in Australia, Canada, Hong Kong, India, New Zealand, the United Kingdom, and some African countries including Egypt. The U.S. common-law system evolved from a British tradition that spread to North America during the 17th and 18th centuries.
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Common law marriages
Common-law marriage, also known as non-ceremonial marriage, informal marriage, or marriage by habit and repute, is a marriage that occurs without a marriage license or ceremony. Instead, it is an agreement between two legally capable individuals who intend to be married, followed by cohabitation. The couple represents themselves to others as being married and organises their relationship as such. Common-law marriage is recognised in some form in seven states and the District of Columbia in the US, as well as in Canada, with some provinces extending to couples in marriage-like relationships many of the rights and responsibilities of a marriage, though they are not legally considered married.
The concept of common-law marriage originated in medieval Europe, where marriage was under the jurisdiction of canon law. The Catholic Church forbade clandestine marriage at the Fourth Lateran Council in 1215, requiring marriages to be announced in a church by a priest. However, this did not apply to Protestants or the Eastern Orthodox. In England, the Clandestine Marriages Act of 1753 ended common-law marriages, requiring subjects to be married by the Church of England. This did not apply to the American colonies, where common-law marriage survived and is still recognised in some states today.
The requirements for common-law marriage vary, but generally include cohabitation for a period of time, with longer durations strengthening the case for common-law marriage. Both partners must have the legal capacity to marry, be at least 18 years old, and not already be married. They must also intend to be married and hold themselves out to friends, family, and the public as a married couple. This can include referring to each other as "partner" or "spouse", taking the same last name, or behaving as a married couple in other ways.
It is important to note that not all jurisdictions permit common-law marriage, and the term is often used incorrectly to describe cohabitation or other legally formalized relationships. While some countries or states may recognise common-law marriages formed in other jurisdictions, they may have their own rules for who qualifies within their borders.
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Common law and constitutional law interactions
Common law and constitutional law are distinct but interconnected systems of law. Common law, also known as case law, is a body of unwritten laws based on legal precedents established by the courts. It draws from institutionalised opinions and interpretations of judicial authorities and public juries. Common law systems trace their history to English common law, which was spread to North America during the colonial period. Today, common law is practised in the US, the UK, Australia, Canada, Hong Kong, India, and New Zealand.
Constitutional law, on the other hand, is created by the appropriate governmental bodies within each jurisdiction. In the US, for example, constitutional issues are subject to federal jurisdiction. Constitutional law establishes the rules and principles that govern a country, and it outlines the rights and responsibilities of the government and its citizens.
The interaction between common law and constitutional law is complex. Common law influences the decision-making process in unusual cases where there is no existing statute or written rule of law to determine the outcome. In these instances, common law, with its reliance on precedents, fills in the gaps left by written laws. However, as Oliver Wendell Holmes Jr. cautioned, the principles of common law and constitutional law arise gradually through a consensus of prior decisions. This means that the interaction between the two systems is intricate and evolving.
Furthermore, the relationship between common law and constitutional law is mediated by other types of laws, such as statutory and regulatory law. For example, in the US, Congress can legislatively overrule federal courts' common law except on Constitutional issues and some procedural issues. This dynamic demonstrates how common law and constitutional law interact indirectly through the actions of legislative bodies.
Overall, the interaction between common law and constitutional law is multifaceted and dynamic. While common law provides a basis for decision-making in the absence of written laws, it is shaped by constitutional principles and the broader legal framework within which it operates.
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Frequently asked questions
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 systems trace their history to English common law.
Constitutional law refers to the laws and briefs of the Supreme Court of a nation. In the US, for example, the Law Library of Congress holds records of Supreme Court opinions, briefs, and arguments for major constitutional decisions.
Common law is based on legal precedents and institutionalized opinions, whereas constitutional law is based on the written laws and briefs of the Supreme Court. Common law is also more likely to vary between jurisdictions, whereas constitutional law is more consistent across a nation.
Common law and constitutional law are two of the types of laws that interact within a nation's legal system. They can influence each other, but they also have distinct functions and characteristics.
Common law is practiced in Australia, Canada, Hong Kong, India, New Zealand, the United Kingdom, and the United States.
