Cameron Miranda
Case law, also referred to as common law, is a law based on precedents set by previous judicial decisions rather than on constitutions, statutes, or regulations. It is a key component of the legal system, especially in common law countries like the United States, where it plays a significant role in shaping the law. Case law is established when a judge or a panel of judges makes a decision, interpreting and applying existing laws to a specific situation. These decisions, known as judgments, become part of the body of case law, guiding future rulings and interpretations of the law. In a federal or multi-jurisdictional legal system, conflicts between lower appellate courts may arise, and only an appeal accepted by the court of last resort can resolve these differences. The weight given to a judgment may depend on the reputation of the reporter and the judges. While case law is essential, not everything a court writes in a decision constitutes law, and it is crucial to understand the jurisdiction and hierarchy of the court to determine the legal effect of a case.
| Characteristics | Values |
|---|---|
| Basis of case law | precedents, judicial decisions from previous cases |
| Type of law | common law, civil law |
| Role in the legal system | ensures consistency, shapes the law, guides future rulings and interpretations |
| Decision-making process | judicial reasoning, considering legal principles, statutes, and precedents |
| Sources of precedents | rulings from higher courts, previous judicial decisions |
| Binding nature | binding on lower courts, may not be binding on the same court for future cases |
| Influence on other courts | lower courts follow interpretations and rulings of higher courts |
| Components | law reports, transcripts, judicial opinions, decisions |
| Use in arguments | attorneys use case law in court as part of their arguments |
| Academic influence | academic writers cited as persuasive authority, used to support reasoning |
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What You'll Learn
Common law vs civil law
There are two main types of legal systems in the world: Common Law and Civil Law. Most countries adopt features from one or the other into their legal systems. Common law is a system that is less prescriptive than a civil law system. It is uncodified and dates back to 1215 when King John of England issued the Magna Carta, establishing the primacy of the law and the principle that no one is above the law. Common law is based on precedent, meaning that it relies heavily on judicial decisions from previous cases. It is derived from the English legal tradition and is practised in countries that were former British colonies or protectorates, including the United States. Common law courts explain in detail the legal rationale behind their decisions, with citations of both legislation and previous relevant judgments, and they often interpret wider legal principles.
Civil law, on the other hand, is generally more prescriptive than common law. It is a legal system rooted in the Roman Empire and was comprehensively codified and disseminated in the 19th century, with France's Napoleonic Code and Germany's Bürgerliches Gesetzbuch. Civil law systems rely on legal codes that function as the primary source of law, rather than judicial precedent. In civil law jurisdictions, court decisions are generally shorter, referring only to statutes, and judges give less weight to precedent.
Another difference between the two systems is their approach to contracts. In a common law system, there are few provisions implied into a contract, so it is important to set out all the terms governing the relationship between the parties in the contract itself. In contrast, in a civil law system, there are many provisions implied into a contract, and less importance is placed on setting out all the terms in the contract since inadequacies or ambiguities can be resolved by operation of law.
Additionally, in common law systems, judicial decisions are binding, and decisions of the highest court can generally only be overturned by that same court or through legislation. Common law systems also provide extensive freedom of contract, with everything permitted that is not expressly prohibited by law. In civil law jurisdictions, unless the contract specifies that the parties have agreed to arbitration, the contract will be enforced by the administrative courts.
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Federal or multi-jurisdictional law systems
In the United States, a common law country, case law is extremely important to the legal system. Case law, or common law, is based on precedents set by past judicial decisions, rather than law based on constitutions, statutes, or regulations. In federal or multi-jurisdictional law systems, conflicts between various lower appellate courts may arise. These differences may not always be resolved, and it may be necessary to distinguish how the law is applied in one district, province, division, or appellate department.
The federal court system in the US has 13 judicial circuits, 11 of which cover the various states and territories, and one that covers Washington, D.C. The Federal Circuit hears certain types of appeals, such as those from patent cases. The trial courts, where a case is first filed, are called District Courts, and the highest court in each of those circuits is the Court of Appeals. The U.S. Supreme Court is the court of last resort, and its decisions are binding on everyone.
In some cases, both federal and state courts have jurisdiction, and parties may choose which court will hear their case. Criminal statutes are almost exclusively state statutes, and the state court system prosecutes crimes on behalf of citizens. The U.S. government prosecutes individuals who commit crimes against the federal government. For example, robbery is a state crime, while robbing a mail carrier is a federal crime. Federal courts also take jurisdiction in cases that cross state lines, such as kidnapping.
The abstention doctrine precludes federal courts from hearing cases within their jurisdictions, giving state courts authority over the case. Comity refers to courts respecting the laws and decisions of other jurisdictions, whether state, federal, or international, out of deference and mutual respect. Conflict of laws refers to a difference in the laws of two or more jurisdictions with connections to a case, and the outcome depends on which jurisdiction's law will be used.
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The role of judges
Judges play a crucial role in case law, which is a key component of the legal system. Case law, also known as common law, is based on judicial decisions and precedents rather than written laws or regulations. Judges interpret and apply existing laws to specific situations, shaping the law through their rulings.
When hearing a case, judges consider legal principles, statutes, and precedents before reaching a decision. This decision becomes a judgment, which then becomes part of the body of case law. Judges at all levels of the court system refer to these precedents when hearing similar cases, and attorneys often cite them in their arguments. Judges are bound by the principle of stare decisis, which means they must respect past decisions and draw on established judicial authority when formulating their positions.
In common law courts, judges provide detailed explanations of the legal rationale behind their decisions, including citations of relevant legislation and previous judgments. This analysis, known as ratio decidendi, sets a precedent that is binding on other courts. However, not everything in a court decision is legally binding. Some parts may be obiter dicta, which are persuasive but not mandatory.
In summary, judges are responsible for interpreting and applying the law, shaping legal principles, and ensuring consistency and evolution in the legal system through their decisions. Their rulings establish precedents that guide future court rulings and shape the law over time.
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The role of academics
Academics play a significant role in shaping case law, particularly in civil law jurisdictions. Civil law traditions, such as those in Nordic countries, tend to have brief court decisions that are not designed to establish precedents. As a result, academics often take on the role of expounding on the law, a practice known as "doctrine." Their interpretations are published in treatises or specialised journals, such as Recueil Dalloz in France.
Historically, common law courts rarely relied on academic scholarship. However, this has evolved over time, and today, academic writers are frequently cited in legal arguments and decisions. Their ideas can be particularly influential when judges are seeking to implement novel reasoning or when they find an academic's interpretation of the law more compelling than existing case law.
In common law countries like the United Kingdom, United States, Canada, Australia, and India, academics from National Law Schools have been instrumental in assisting courts. For example, the National Law University of Delhi has provided valuable input to the Delhi High Court. Similarly, courts in India and the UK have issued judgments that heavily relied on academic publications and observations.
The interplay between academics and the law is important for enhancing student experiences and producing well-rounded advocates. The collegiate nature of the legal profession encourages the exchange of ideas and knowledge through discussions, debates, and mentorship. Academics, with their intellectual prowess, are well-positioned to contribute to this dynamic environment and facilitate a deeper understanding of the law.
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Statutory law
Case law, also known as common law, is based on precedents set by previous judicial decisions, rather than law based on constitutions, statutes, or regulations. In contrast, statutory law is crafted by the legislative branch of the government and is written down in the form of codes, bills, or acts. These laws are designated as either public laws or private laws, with public laws applying to the general public and private laws concerning specific individuals or groups. Federal statutory laws are passed by Congress and signed by the President, while state laws are passed by the state legislature and signed by the governor.
Regulatory law, also known as administrative law, is another type of law that deals with procedures established by federal, state, and local administrative agencies. Federal regulations are enacted by federal agencies to enforce legislative acts passed by Congress, such as the Clean Air Act. These regulations have the force of law and can cover a wide range of topics, including environmental laws and social services.
While statutory law is typically created by the legislative branch, it can be influenced by judicial decisions. In some cases, judges may interpret existing statutory laws and put their interpretation into their decision, creating a precedent that can be used in future cases. Over time, statutory laws may become outdated or obsolete, and judges may need to exercise discretion to address cases that are more open to interpretation.
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Frequently asked questions
Case law is a law that is based on precedents, or the judicial decisions from previous cases, rather than law based on constitutions, statutes, or regulations.
Case law is decided by judges at every level of the court system. When a court hears arguments from both sides in a case, it will often refer to other rulings and court opinions regarding the law or laws in question before issuing a decision.
Case law uses the detailed facts of a legal case that have been resolved by courts or similar tribunals. These past decisions are called "case law" or precedent. Stare decisis—a Latin phrase meaning "let the decision stand"—is the principle by which judges are bound to such past decisions, drawing on established judicial authority to formulate their positions.
In civil law jurisdictions, decisions are generally shorter, referring only to statutes. This is because civil law jurisdictions adhere to the tradition that the reader should deduce the logic from the decision and the statutes. By contrast, common law courts explain in detail the legal rationale behind their decisions, with citations of both legislation and previous relevant judgments, and often interpret the wider legal principles.
