
Common law and statutory law are two different systems of law followed by most nations in the world. Both are essential components of the legal system and set a standard of acceptable behaviour and justice for citizens and their governments. However, they have different origins and applications. Common law, also known as case law or judge-made law, is uncodified and relies on precedent, meaning it is based on past judicial opinions and previous rulings by judges. Statutory law, on the other hand, is based on current statutes or written laws enacted by a legislative body, such as Congress or state legislatures. It is codified and encompasses compiled legislation passed at various levels of government, from federal to local. While common law is developed over time through court decisions, statutory law is created through a more structured legislative process, often involving multiple hearings, edits, and votes.
Common Law vs Statutory Law
| Characteristics | Common Law | Statutory Law |
|---|---|---|
| Definition | Law created by judges through decisions of courts and similar tribunals | Law created by legislative bodies, such as Congress or state legislatures |
| Basis | Case law and precedent | Written laws and statutes |
| Flexibility | More flexible as it can adapt to changing social norms and values | Less flexible as it is based on specific written laws |
| Creation | Evolves over time through judicial decisions | Enacted through a formal legislative process |
| Scope | Often specific to a particular case and jurisdiction | Usually applies more broadly to a wider range of cases and jurisdictions |
| Interpretation | Interpreted by judges based on previous decisions (precedent) | Interpreted based on the specific language of the statute and legislative intent |
| Amendment | Can be overturned or modified by higher courts or subsequent decisions | Typically requires a new act of legislation to amend or repeal |
| Examples | Tort law, contract law, property law | Criminal law, tax law, traffic law |
| Jurisdiction | Varies by country and region, but common law systems include the US, UK, Canada, Australia | Applies in countries with a civil law system, as well as common law systems |
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What You'll Learn

Common law is uncodified, relying on precedent and past rulings
Common law, also known as case law, is uncodified, meaning it is not compiled into rules and statutes. Instead, it is based on precedent and past rulings. It is generated through court decisions and is frequently characterised as "judge-made law". While judges do not make laws, they do shape the legal landscape through their interpretation of previous judicial decisions.
Common law is developed on a case-by-case basis, with judges interpreting existing law and determining new boundaries and distinctions. It is a more incremental process, with a focus on the specific case at hand rather than broader adjustments to the law. The determination of common law for a particular case involves researching and analysing previous relevant cases, extracting statements and sentences to inform the current decision.
Common law is based on past judicial opinions and judgments made over hundreds of years. When presiding over a case, judges refer to past decisions and use them as a basis for their final ruling. This process of constant evolution ensures that common law is dynamic and adaptable, allowing for the interpretation and application of previous rulings to new situations.
In contrast to statutory law, which is based on current statutes or written laws, common law relies on precedent and judicial interpretation. While statutory law is strict in its application, common law allows for more flexibility and interpretation. It is important to note that both common law and statutory law are essential components of the legal system and contribute to the standard of acceptable behaviour and justice for citizens and their governments.
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Statutory law is based on written laws passed by the government
Common law and statutory laws are the two main types of law within a legal system, and both are essential components of the legal system. Common law is also known as case law and is uncodified, meaning that it is not compiled into rules and statutes. Statutory law, on the other hand, is based on written laws passed by the government of a state or nation. These laws are organised and codified into law codes and cover areas regulated by statutory laws and those where common law is not applicable. Statutory laws are also known as civil laws and are strict in their application. They are not subject to interpretation, unlike common law.
Statutory laws are enacted by a legislative body, such as Congress, or its state legislative counterparts. They are created by legislative bodies to take a broad view and make major adjustments to the law. Statutory laws are based on current statutes and are compiled legislation that has been passed on a local, state, or federal level. They are passed by various government agencies, including federal and state governments, and ordinances passed by towns and cities.
Statutory laws are written laws that are passed by the legislature and government of a country and accepted by society. They are developed by the government and are based on statutes. A judge refers to similar cases in the past and uses the judgments to decide on the current case. Statutory laws are flexible to remain relevant and reasonable to the people they protect and regulate.
Statutory laws are created through a legislative process. A law begins as a bill proposed in the legislature and voted upon. The bill can go through several hearings, edits, and votes before being approved. Once approved by both houses of the legislature, the bill passes to the executive branch. If signed, it passes into law as a statute. If vetoed, it can be returned to the legislature, and if passed again by a particular margin, it becomes a statute.
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Common law is also known as case law
Common law, also known as case law, is a body of law that arises from judicial decisions made in similar cases over time. It is based on the principle of stare decisis, which means "to stand by things decided." This means that past decisions are used as precedents for future cases with similar fact patterns. Common law develops organically and adapts to changing social norms and values. It is created by judges who interpret laws and apply them to specific situations, filling in gaps left by statutory law. Common law ensures consistency and predictability in legal outcomes and is particularly useful in areas of law where flexibility is required to address unique and complex situations.
The development of common law involves courts creating and adapting rules to fit the circumstances of individual cases. When a dispute arises, a court examines prior decisions to determine how similar disputes were resolved. These past decisions guide judges in interpreting laws and applying legal principles to the facts of the current case. Over time, a body of rulings emerges, establishing consistent legal principles and guidelines. This collection of judicial decisions forms the basis of common law.
The principle of stare decisis is fundamental to the development and application of common law. It provides stability and predictability in the legal system by ensuring that similar cases are decided consistently. Judges are generally bound by the decisions of higher courts within the same jurisdiction and often follow the decisions of courts in other jurisdictions with similar legal systems. Stare decisis promotes the idea that the law should be certain and consistent, providing a foundation for future decisions and legal analysis.
Common law covers a wide range of legal domains, including tort law, contract law, property law, and criminal law. It is particularly prominent in common law legal systems, which include England, the United States, and Canada. In these systems, common law forms the foundation of the legal system, guiding legislative and judicial decision-making. While statutory law passed by legislatures provides the framework, common law fills in the details and adapts the law to evolving societal needs and circumstances.
The flexibility of common law allows it to address unique and complex situations that may not be covered by statutory law. For example, in tort law, common law has developed principles of negligence and duty of care that allow courts to hold individuals and organizations accountable for their actions or inactions. In contract law, common law principles govern the formation, interpretation, and enforcement of agreements, providing a framework for commercial transactions and interpersonal dealings.
Common law's dynamic nature ensures that the law remains adaptable and responsive to societal changes. As social norms and values evolve, common law can be refined and reinterpreted to address new challenges and situations. This feature distinguishes common law from statutory law, which may require a lengthier legislative process to amend or update.
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Statutory law is flexible, adapting to remain relevant
Common law and statutory law are the two main types of law within a legal system. While both are essential components of the legal system, they have different origins and applications.
Common law, also known as "case law" or "judge-made law", is uncodified and relies on precedent. It is based on past judicial opinions and is developed through a process of constant evolution as courts interpret and apply previous judicial decisions. Common law is built in a more piecemeal fashion, with judges shaping society's legal fabric through their interpretation of existing laws and setting new boundaries and distinctions.
On the other hand, statutory law is based on current statutes or written laws enacted by legislative bodies. It is codified and encompasses compiled legislation passed at various levels of government, such as federal, state, or local. Statutory laws are strict in their application and are not subject to the same interpretation as common law.
However, statutory law is also flexible and adaptable. It can be overturned or changed if a later legislative body finds it unconstitutional. Statutes may even be designed with expiration dates, allowing for renewal if the law is still necessary. This flexibility ensures that statutory law remains relevant and reasonable to the people it protects and regulates.
For example, statutory laws can include traffic laws, drug laws, and other regulations necessary for modern society. By adapting to the needs of citizens and addressing outstanding issues, statutory law remains dynamic and responsive to the changing demands of the populace. This adaptability is a key feature that distinguishes statutory law from common law, allowing it to stay relevant and effective in a constantly evolving societal landscape.
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Statutory law is strict in its application
Common law and statutory law are the two main types of law within a legal system. Common law, also known as case law, is uncodified and relies on precedent. It is based on past judicial opinions and is developed through court decisions. On the other hand, statutory law is based on current statutes or written laws passed by the legislature and government of a country. It is codified and encompasses compiled legislation passed at various levels of government.
The process of creating a statutory law begins with a bill proposed in the legislature, which undergoes hearings, edits, and votes before being approved. This legislative history provides valuable insight into the law's foundation and purpose. Once passed by both houses of the legislature, the bill proceeds to the executive branch for signature, after which it becomes a statute. This process ensures that statutory laws are thoroughly vetted and widely accepted before being enacted.
While statutory law is strict in its application, it is not static. Statutory laws are subject to being overturned or changed if a later legislative body finds them unconstitutional. They may also be designed to expire periodically, allowing for renewal only if the law is still necessary. This flexibility ensures that statutory laws remain relevant and reasonable to the people they protect and regulate.
In summary, statutory law differs from common law in its strict application. It is based on written statutes enacted by legislative bodies and is not open to interpretation. However, this strictness does not imply rigidity, as statutory laws can be amended or overturned as societal needs and perspectives evolve.
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Frequently asked questions
Common law, also known as case law, is law that has been developed based on past rulings by judges. It is uncodified, meaning it is not compiled into rules and statutes, and relies on precedent.
Statutory law is written law, also known as civil law, passed by the legislature and government of a country. It is codified and encompasses compiled legislation that has been passed on a local, state, or federal level.
Common law is based on past judicial opinions, while statutory law is based on current statutes. Common law is generated through court decisions, while statutory law is created by legislative bodies.
Examples of statutory laws include traffic laws, such as driving on a suspended license, and drug laws, such as those regarding drug possession.
Both common and statutory laws are essential components of the legal system and serve different purposes. While common law is more flexible and adaptable, statutory law provides a broad framework and major adjustments to the law.







































