
Civil law and common law are two distinct legal systems that vary in their approach to legislation and judicial decision-making. Common law, prevalent in former British colonies like the United States, relies on judicial precedent and uncodified case law. It emphasizes freedom of contract, with minimal implied provisions, and values the stability and consistency brought by adhering to precedents. On the other hand, civil law, rooted in the Roman Empire and prevalent in former French, Dutch, German, Spanish, and Portuguese colonies, is a codified system that prioritizes comprehensive legal codes as the primary source of law. Civil law is generally more prescriptive, with detailed contracts and a focus on protecting citizens' rights and entitlements. This discussion aims to delve into the nuances of these two legal systems and explore whether civil laws exhibit a higher level of detail compared to common law.
| Characteristics | Values |
|---|---|
| Basis of evaluation | Common law relies on past judicial decisions or precedents. Civil law is based on legal codes or a comprehensive, codified set of legal statutes created by legislators. |
| History | Common law originated in medieval England. Civil law is rooted in the Roman Empire and was codified in the 19th century. |
| Countries that follow the system | Common law is followed in former British colonies or protectorates, including the US, Hong Kong, and England and Wales. Civil law is followed in former French, Dutch, German, Spanish, or Portuguese colonies, including much of Central and South America, Central and Eastern Europe, and East Asia, and Louisiana in the US. |
| Role of judges | In common law, judges act as referees, and their decisions are binding. In civil law, judges are usually the main investigators, and their decisions are only binding in administrative and constitutional courts. |
| Role of lawyers | In common law, lawyers argue their side of the case. In civil law, lawyers advise clients on legal proceedings, write legal pleadings, and help provide favorable evidence to the investigative judge. |
| Freedom of contract | Common law provides extensive freedom of contract, with very little or no provisions implied in contracts by law. Civil law has less freedom of contract, with many provisions implied in contracts by law. |
| Bias | Common law has historically led to the marginalization or disempowerment of certain groups due to outdated or biased past decisions shaping future rulings. Civil law aims to reduce bias by creating standardized codes to ensure consistent application of laws across cases. |
| Flexibility | Common law allows for more flexibility, with lower courts able to modify or deviate from precedents if they are outdated or substantially different from the current case. Civil law is more rigid, with legislative enactments considered binding for all. |
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What You'll Learn

Common law relies on past precedents, civil law on legal codes
Common law, also known as case law, relies on detailed records of similar situations and statutes because there is no official legal code that can be applied to a particular case. 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 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.
A precedent, known as stare decisis, is a history of judicial decisions that form the basis of evaluation for future cases. Past decisions continue to shape future rulings until societal changes prompt a judicial body to overturn the precedent. This system makes it difficult for marginalised parties to pursue favourable rulings until popular thought or civil legislation changes the interpretation of common law. For example, in England, common law held that, in a divorce, fathers were entitled to custody of the children, a bias that kept women trapped in marriages.
Civil law, on the other hand, is a comprehensive, codified set of legal statutes created by legislators. It is rooted in the Roman Empire and was comprehensively codified and disseminated starting in the 19th century, most notably with France's Napoleonic Code (1804) and Germany's Bürgerliches Gesetzbuch (1900). Civil law is the most widespread system of law in the world, in force in various forms in about 150 countries. It is often contrasted with the common law system, which originated in medieval England. While civil law takes the form of legal codes, common law comes from uncodified case law that arises as a result of judicial decisions, recognising prior court decisions as legally binding precedent.
The primary source of law in civil law is the law code, a systematic collection of interrelated articles, arranged by subject matter in some pre-specified order. Codes explain the principles of law, rights, and entitlements, and how basic legal mechanisms work. The purpose of codification is to provide all citizens with a written collection of the laws that apply to them and which judges must follow. Law codes are laws enacted by a legislature, even if they are in general much longer than other laws. Civil law proceeds from abstractions, formulates general principles, and distinguishes substantive rules from procedural rules. It holds case law secondary and subordinate to statutory law.
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Common law originated in medieval England, civil law in the Roman Empire
Common law and civil law are two distinct legal systems with different approaches to handling cases. Common law, also known as case law, originated in medieval England in the centuries following the Norman Conquest in 1066. It was named as such because it was common to all the king's courts across England, establishing a unified legal system that gradually replaced the local folk courts and manorial courts. The degree to which common law drew from earlier Anglo-Saxon traditions, such as the jury, ordeals, and writs, is still a subject of discussion. Common law relies on stare decisis, or judicial precedent, where judges interpret laws and respect decisions from previous and higher courts.
In contrast, civil law, both a legal system and a branch of law, originated in the Roman Empire. Outside of the United States, civil law is typically associated with the legal system built upon Corpus Juris Civilis, or the Justinian Code, which originated in Rome in the 6th century. Most Western European states follow this civil law system. Within the United States, civil law refers to court cases arising from disputes between non-governmental parties, and it is only the state of Louisiana that follows the civil law tradition due to its French heritage.
The main difference between common law and civil law lies in their foundations. Common law countries generally trace their codes back to British case law, emphasizing jurisprudence and the interpretation of laws by judges. Common law lawyers consult the original code but rely more on recent jurisprudence to form their arguments. On the other hand, civil law countries trace their codes back to Roman law, focusing on the legal code and acting as fact-finders to determine if a party violated that code. Lawyers in a civil law system primarily refer to the text of the country's civil code when building their arguments.
Another key distinction between the two systems is the use of juries. Countries employing common law utilize lay juries, or groups of individuals without specific experience, to determine guilt or innocence. Conversely, countries with a civil law system do not involve juries in their adjudication process.
While civil law is regularly updated, both systems aim to establish consistent outcomes by applying uniform standards of interpretation. Civil law provides a clear framework for cases brought to court, procedures for handling claims, and punishments for offenses. Common law, on the other hand, draws from institutionalized opinions and interpretations from judicial authorities and public juries, and it allows for flexibility in modifying or deviating from precedents when necessary.
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Common law countries have more freedom of contract
Common law, also known as case law, relies on detailed records of similar situations and statutes because there is no official legal code that can be applied to a case. The judge presiding over a case determines which precedents apply to that particular case. Common law draws from institutionalized opinions and interpretations from judicial authorities and public juries.
Civil law, on the other hand, is a comprehensive, codified set of legal statutes created by legislators. It is the most widespread legal system in the world, in force in about 150 countries. Civil law is rooted in the Roman Empire and was comprehensively codified and disseminated starting in the 19th century, notably with France's Napoleonic Code and Germany's Bürgerliches Gesetzbuch.
Civil law systems are characterized by their reliance on legal codes that function as the primary source of law. The law code is a systematic collection of interrelated articles, arranged by subject matter in a pre-specified order. Civil law codes explain the principles of law, rights, and entitlements, and how basic legal mechanisms work.
In common law countries, contracts are governed by state statutory and common (judge-made) law and private law. Private law includes the terms of the agreement between the parties exchanging promises and may override rules established by state law. Contracts arise when a duty comes into existence due to a promise made by one of the parties. To be legally binding, a promise must be exchanged for adequate consideration.
While there is extensive freedom of contract in common law countries, there are still regulations that must be adhered to in certain areas, such as when buying labour, renting out property, or selling goods.
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Common law systems are less prescriptive
Civil law, on the other hand, is a comprehensive, codified set of legal statutes created by legislators. It is rooted in the Roman Empire and was comprehensively codified and disseminated starting in the 19th century, most notably with France's Napoleonic Code (1804) and Germany's Bürgerliches Gesetzbuch (1900). Civil law is based on legal codes that function as the primary source of law. The law code is a systematic collection of interrelated articles, arranged by subject matter in a pre-specified order. Codes explain the principles of law, rights, and entitlements, and how basic legal mechanisms work.
The civil law system is the most widespread system of law in the world, in force in various forms in about 150 countries. Countries following a civil law system are typically those that were former French, Dutch, German, Spanish, or Portuguese colonies or protectorates, including much of Central and South America and Central and Eastern European and East Asian countries. Common law countries, on the other hand, are typically those that were former British colonies or protectorates, including the United States.
In the context of contracts, civil law countries have a more sophisticated model with provisions based in the law, whereas common law countries have extensive freedom of contract, with very little or no provisions implied in contracts by law. In civil law, many provisions are implied into a contract by law, and parties cannot contract out of certain provisions. This provides more flexibility in the common law system, but it also places greater importance on explicitly setting out all the terms governing the relationship between the parties in the contract itself.
In summary, common law systems are less prescriptive than civil law systems due to their reliance on judicial precedent rather than legal codes. This results in more flexibility and freedom of contract in common law, but it also requires more detailed contracts to ensure all relevant terms are explicitly included.
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Common law judges act as referees, civil law judges as investigators
Common law and civil law are two distinct legal systems with different approaches to the role of judges. While common law relies heavily on judicial precedent and case law, civil law is rooted in the Roman Empire and is based on comprehensive legal codes that serve as the primary source of law.
In the common law system, judges act more like neutral referees, moderating the debate between the two sides and ensuring a fair process. They are tasked with determining which precedents apply to a particular case, drawing from past judicial decisions and institutionalized opinions. Common law judges have the power to interpret the law and establish precedents, giving them a long-term influence on future cases.
On the other hand, civil law judges take on a more direct and investigative role. They are expected to stick closely to the written code and apply the legal statutes and principles outlined in the civil code. Civil law judges have less flexibility in interpreting the law compared to their common law counterparts, as they are bound by the codified legal framework.
The civil law system aims to provide clarity and consistency by offering citizens a written collection of laws that apply to them. The codes explain the principles of law, rights, entitlements, and the functioning of legal mechanisms. While civil law judges work within these predefined frameworks, they still play a crucial role in evaluating the facts of each case and making legislative decisions accordingly.
Despite their differences, both common law and civil law judges share the responsibility of ensuring fair and impartial justice. They interpret and apply the law within their respective systems, contributing to the administration of justice and the resolution of disputes. Ultimately, the distinction between common law and civil law judges lies in their varying degrees of flexibility and the sources of law they rely on.
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Frequently asked questions
Civil law is based on legal codes, whereas common law is based on past legal precedents or uncodified case law.
A legal code is a systematic collection of interrelated articles, arranged by subject matter in a pre-specified order.
Case law, also known as common law, relies on detailed records of similar situations and statutes because there is no official legal code that can be directly applied to a case.
In civil law countries, the judge is usually the main investigator, whereas in common law, the judge often acts as a referee, as two lawyers argue their side of the case.
Civil law is the most common legal system in the world, practiced in about 150 countries. Countries that follow civil law include those that were former French, Dutch, German, Spanish or Portuguese colonies or protectorates, including much of Central and South America, most of Central and Eastern European countries, and East Asian countries. Common law is practiced in countries that were formerly under English rule, including the United States, England, and Wales.


































