
Common law and criminal law are two distinct legal concepts. Common law is a body of law based on court decisions and judicial precedent rather than statutes. It is deeply rooted in the principle of stare decisis, which means to stand by things decided. In other words, common law courts rely on previous rulings and case law when dealing with similar cases. This provides stability, consistency, and efficiency in the legal system. On the other hand, criminal law is a body of law that defines criminal offenses, establishes procedures for apprehending, charging, and trying suspected individuals, and determines penalties for those convicted. Criminal law aims to prevent harm to society by enforcing rules and holding individuals accountable for their actions. It covers a range of offenses, including felonies, misdemeanors, inchoate offenses, and strict liability offenses, with each jurisdiction deciding which specific behaviours to criminalize.
| Characteristics | Values |
|---|---|
| Definition | Common law is a body of unwritten laws based on legal precedents established by the courts. |
| Basis of Decisions | Common law relies on case law and legal precedent to guide decisions. |
| Sources of Law | Common law draws from institutionalized opinions and interpretations from judicial authorities and public juries. |
| Adaptability | Common law is adaptable to unforeseen situations and changes in society. |
| Efficiency | Common law promotes efficiency as judges only need to follow precedent, leading to shorter court proceedings. |
| Stability and Consistency | Common law provides stability and consistency as outcomes are based on previous case law rather than subjective viewpoints. |
| Judicial Decisions | In common law, judicial decisions are binding and can only be overturned by the same court or through legislation. |
| Contract Freedom | Common law provides extensive freedom of contract with few implied provisions, allowing parties to set out all terms in the contract. |
| Criminal Law Inclusion | Common law covers criminal law aspects, but most crimes are now statutory crimes defined by legislation. |
| Codification | Common law offences are being codified and abolished in some jurisdictions, such as Canada and New Zealand. |
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What You'll Learn
- Common law is a body of unwritten laws based on legal precedents
- Common law systems rely on case law and precedent, while civil law systems rely on codes and statutes
- Common law promotes stability and consistency, as outcomes are based on previous case law
- Common law is flexible and adaptable to unforeseen situations, unlike codified statutes
- Common law and civil law systems have different approaches to contracts and infrastructure projects

Common law is a body of unwritten laws based on legal precedents
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. Common law originated in England during the Middle Ages and spread to North America during the colonial period of the 17th and 18th centuries. Today, common law is practised in several countries, including the United States, Canada, Australia, India, and the United Kingdom.
At its core, common law is centred around the principle of stare decisis, a Latin phrase meaning "to stand by things decided". This means that judicial decisions are binding and can only be overturned by the same court or through legislation. Common law promotes stability and consistency because outcomes are based on previous case law rather than subjective viewpoints. It also allows for adaptability and flexibility, as it can address situations not originally predicted by lawmakers and respond to changes in society.
In contrast to civil law systems, common law relies on case law and legal precedent rather than codes or statutes. Civil law, which originated in mainland Europe, is a comprehensive, codified set of legal statutes that clearly outline procedures, claims handling, and punishments for offences. Civil law aims to create order and reduce bias by standardizing codes, while common law strives for consistency by applying the same standards of interpretation.
While common law is not prevalent in the United States, several states have statutes or recognize common-law marriage. Additionally, common law crimes still exist in some U.S. states, even though most crimes are now statutory. Common law offences have been criticized for being vague and open to development by courts, potentially offending the principle of certainty.
Overall, common law is a dynamic and flexible legal system that adapts to societal changes and addresses unforeseen situations. By relying on legal precedents and institutionalized opinions, it aims to provide stability, consistency, and efficiency in the decision-making process.
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Common law systems rely on case law and precedent, while civil law systems rely on codes and statutes
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. Common law systems rely on case law and precedent to guide their decisions. In common law systems, precedents are maintained over time through court records and are historically documented in collections of case law referred to as yearbooks and law reports.
Common law has been described as flexible since it can respond to changes in society. It does not require lawmakers to pass changes in statutes and codes, which can be time-consuming or may never happen. Common law systems promote stability and consistency in the legal justice system. They are adaptable to the unforeseen as they can address situations not originally predicted by lawmakers.
Civil law, on the other hand, is a comprehensive, codified set of legal statutes created by legislators. Civil law systems rely primarily on codes and statutes. They centre around a comprehensive code of statutes that outlines everything from the procedures for handling claims to the punishment for offences. Civil law codes must be changed constantly because the precedent of courts is not binding and because courts lack the authority to act if there is no statute.
In civil law systems, judges' decisions are not binding in later cases involving different parties, even if the facts are similar. This is in contrast to common law systems, where prior court decisions are considered binding precedent.
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Common law promotes stability and consistency, as outcomes are based on previous case 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 institutionalized opinions and interpretations from judicial authorities and public juries. Common law originated in England during the Middle Ages and spread to North America during the colonial period. Today, it is practiced in several countries, including the US, Canada, Australia, India, and the UK.
Common law promotes stability and consistency in several ways. Firstly, it provides a framework for decision-making in unusual cases where existing statutes or written rules of law do not apply. Judges can refer to previous case law and legal precedents to determine the outcome of a case, ensuring consistency in similar situations. This reliance on precedent, known as stare decisis, means that outcomes are based on established principles rather than subjective viewpoints, fostering stability.
Secondly, common law offers efficiency in the legal process. Judges can resolve cases more swiftly by following precedents, saving time and resources for all involved. This efficiency contributes to overall stability by reducing the burden on the judicial system.
Additionally, common law adapts to societal changes and unforeseen circumstances. While statutes may become outdated or unable to address novel situations, common law can respond to evolving societal norms and fill legislative gaps. This adaptability ensures that the law remains relevant and stable in a dynamic social context.
However, it is important to acknowledge that common law has faced criticism for its potential to marginalize certain groups. Past decisions, if not updated with societal changes, can perpetuate unfair interpretations. This criticism highlights the importance of regularly reviewing and overturning outdated precedents to ensure that common law remains consistent with current societal values and promotes stability in a fair and equitable manner.
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Common law is flexible and adaptable to unforeseen situations, unlike codified statutes
Common law, also known as case law, is a body of law based on legal precedents established by the courts. It draws from institutionalized opinions and interpretations from judicial authorities and public juries. Common law originated in medieval England and spread to North America during the 17th and 18th centuries. Today, several countries, including the US, Canada, India, and Australia, rely heavily on common law to resolve legal disputes.
In contrast, civil law systems, which are common in mainland Europe, rely on a comprehensive code of statutes that outline the procedures for handling claims and the punishments for offenses. Civil law provides clear rules for judges to follow in specific disputes. While civil law systems aim to create order and reduce bias, they may struggle to adapt to unforeseen situations as they require lawmakers to pass changes in statutes, which can be a lengthy and challenging process.
It is worth noting that the distinction between common law and civil law systems is becoming increasingly blurred. Common law countries are adopting codes in specific areas, such as bankruptcy and tax law, while civil law countries are giving more weight to jurisprudence, similar to case law. Additionally, no common law system is purely based on common law, as they also have countless codified statutes that courts consider.
Overall, common law's flexibility and adaptability to unforeseen situations are essential characteristics that distinguish it from codified statutes. This flexibility allows common law systems to respond to societal changes and address a wide range of situations that may not have been originally contemplated by lawmakers.
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Common law and civil law systems have different approaches to contracts and infrastructure projects
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 practised in the United States, Australia, Canada, Hong Kong, India, New Zealand, and the United Kingdom.
Civil law, on the other hand, is a comprehensive, codified 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 is regularly updated, and its standardized codes aim to create order and reduce bias in the legal system.
When it comes to contracts and infrastructure projects, both common law and civil law systems have distinct approaches. In common law jurisdictions, contracts are often crafted carefully by legal experts to suit the specific needs of the project, considering the local, state, and federal laws. These contracts establish the rights, responsibilities, and obligations of all parties involved. Common law allows for flexibility and the consideration of unique circumstances, which can be beneficial for complex infrastructure projects.
In civil law jurisdictions, contracts may also be subject to mandatory provisions of the applicable civil code. For example, in the United Arab Emirates (UAE), construction contracts are subject to certain provisions of the UAE Civil Code, which cannot be contracted out of. Similarly, in China, there are mandatory minimum warranty periods for building structures that cannot be overridden by the parties' choice of applicable law.
Additionally, in jurisdictions such as the UAE and Saudi Arabia (KSA), principles of Sharia law underpin the legal system. While parties generally have freedom in negotiating contract terms, certain activities prohibited under Sharia law, such as excessive uncertainty or deception, are non-negotiable.
The choice of applicable law for construction and engineering contracts can significantly impact how those contracts will be interpreted and executed. For instance, the laws of England and Wales (English law) are a common choice for large international projects due to their sophistication, stability, and respect for party autonomy. However, some mandatory features of English law may not apply to projects situated abroad.
In summary, common law and civil law systems differ in their approaches to contracts and infrastructure projects. Common law provides more flexibility and relies on judicial precedents, while civil law offers a more standardized and codified framework. Both systems aim to establish consistent outcomes, but the specific requirements and implications vary, and it is crucial to understand the applicable laws and their implications before entering into contracts for infrastructure projects.
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Frequently asked questions
Common law is a body of law based on court decisions and judicial precedent rather than codes or statutes. It is deeply rooted in the principle of stare decisis, which means "to stand by things decided". Common law systems are used by approximately one-third of the world's population.
Criminal law is the body of law that defines criminal offences, regulates the apprehension, charging, and trial of suspected persons, and fixes penalties and modes of treatment for convicted offenders. Criminal law deals with a variety of crimes, including murder, aggravated assault, burglary, robbery, theft, drug charges, and sex crimes, among others.
Common laws are based on previous court rulings and are often referred to as case law or precedent. Criminal laws, on the other hand, deal with crimes and the punishment of those who break the law in a criminal manner.
Yes, many criminal cases and proceedings overlap with common laws and precedents from previous cases. For example, in most common law jurisdictions, crimes are now statutory crimes, with punishments detailed in an Act of Parliament.
In the case of DPP v Pusey, the defendant recorded the deaths of police officers while mocking them, which was not against any statutory criminal code. However, the Director of Public Prosecutions charged them with the common law offence of outraging public decency. In criminal law, an example is the US Code, which designates various conduct as federal crimes, such as arson, use of chemical weapons, and kidnapping, with prescribed maximum sentences.




















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