Anaya Nolan
Case law, also known as precedent or common law, is a body of previous judicial decisions that guide judges in interpreting the law and deciding new cases. These judicial opinions are published in reporters and act as precedents for future courts, influencing legal rules and becoming part of the law. However, case law may be binding or merely persuasive depending on the relationship between the deciding court and the precedent. This means that the same judicial opinion can be found in multiple reporters, but its weight may vary across different states or jurisdictions. While case law forms an essential aspect of the legal system, it is distinct from opinions, which are the interpretations and rulings made by judges within the context of a specific case.
| Characteristics | Values |
|---|---|
| Definition | Case law is a body of prior judicial decisions that guide judges in interpreting the law and deciding new cases. Judicial opinions are the written statements of judges' interpretations of the law and the reasoning behind their decisions. |
| Sources | Case law comes from previous decisions made by judges. Judicial opinions are issued by judges in courts at various levels, such as state and federal courts. |
| Binding Nature | Case law may be binding or persuasive depending on the relationship between the deciding court and the precedent. Judicial opinions can act as precedents for later courts, influencing their decisions and creating legal rules. |
| Publication | Case law is established through previous judicial decisions and may be published in law reports or legal databases. Judicial opinions are typically published in official and/or unofficial reporters, including regional and topical reporters. |
| Research | Case law can be researched through law libraries, legal databases, and online sources, allowing access to previous judicial decisions. Judicial opinions can be located using digests, which provide summaries and organize cases by topics and key numbers. |
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What You'll Learn
Case law as precedent
Case law, also known as precedent or common law, is a body of prior judicial decisions that guide judges in interpreting the law and deciding new cases. These judicial opinions act as precedents for later courts, influencing their rulings and contributing to the evolution of the law. The weight given to case law as precedent depends on various factors, including the similarity of facts, the deciding court, and the timing of the decision.
In the United States, the federal court system includes the Supreme Court, Courts of Appeals, District Courts, the Court of Federal Claims, the Court of International Trade, the Court of Appeals for the Armed Forces, and Bankruptcy Courts. Each state also has its judicial system, typically comprising trial and appellate courts, with the highest court often referred to as the "supreme" court.
Case law research is facilitated by official and unofficial reporters, which publish the text of judicial opinions. Official reporters are designated by statute or court order and contain the opinion text. Unofficial reporters provide additional information, such as headnotes, topics, and key numbers, aiding legal researchers in locating relevant cases. The same judicial opinion can appear in multiple reporters, and cases from different jurisdictions dealing with similar legal issues can be found using digests and key numbers.
The binding nature of case law precedent varies depending on the relationship between the deciding court and the precedent. For example, a decision by a Court of Appeals may be binding on federal district courts within its circuit, while a court in another state may not be strictly bound by that decision but may consider it persuasive.
Case law, as precedent, plays a crucial role in shaping legal interpretations and guiding judges in applying the law consistently and predictably. It provides a framework for resolving new cases with reference to past decisions, contributing to the development and refinement of legal principles over time.
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![Cases and opinions on international law, and various points of English law connected therewith, collected and digested from English and foreign reports, official documents and other so [Leather Bound]](https://m.media-amazon.com/images/I/61p2VzyfGpL._AC_UY218_.jpg)
Common law
Case law, also known as precedent or common law, is the body of prior judicial decisions that guide judges in interpreting the law and deciding new cases. These opinions act as a precedent for later courts, providing their own legal rules that become part of the law. For example, in Miranda v. Arizona, the US Supreme Court interpreted the Fifth Amendment's guarantee of "due process" for individuals accused of crimes as requiring police to inform suspects of their constitutional rights before interrogation. This ruling was then used as a precedent in later cases, which further developed the law by defining "custody" and "interrogation". Such judge-made rules are referred to as "common law" by lawyers.
Official reporters contain the text of the opinion, while unofficial reporters include additional information such as headnotes, topics, and key numbers to aid researchers. Cases published in unofficial reporters may have parallel citations, with the same case reported in multiple reporters. Legal researchers can locate cases by subject and jurisdiction using digests, which also provide summaries of the points of law discussed in the indexed opinions.
In the US, the federal court system includes the Supreme Court, Courts of Appeals, District Courts, the Court of Federal Claims, the Court of International Trade, the Court of Appeals for the Armed Forces, and Bankruptcy Courts. Each state also has its own judicial system, typically including trial and appellate courts, with the highest court often referred to as the "supreme" court. These state courts generally hear cases involving state constitutional matters, state law, and regulations, but they may also address cases involving federal laws.
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Judicial opinions
Case law, also known as precedent or common law, is a body of prior judicial decisions that guide judges in deciding issues before them. Judicial opinions are a form of legal opinion written by a judge or a judicial panel in the course of resolving a legal dispute. They provide the decision reached to resolve the dispute and usually indicate the facts that led to the dispute and an analysis of the law used to arrive at the decision.
A judicial opinion is usually released in several stages of completeness. First, a bench opinion is handed down, with the judge or panel of judges indicating their decision and a rough explanation of the reasoning underlying it. A slip opinion may also be issued the day the decision is handed down, and it is usually not typeset or fully formatted. It is not the final or most authoritative version, being subject to further revision before being replaced with a final published edition.
A majority opinion is a judicial opinion agreed to by more than half of the members of a court. A majority opinion sets forth the decision of the court and an explanation of the rationale behind the court's decision. Not all cases have a majority opinion. At times, the justices voting for a majority decision may have drastically different reasons for their votes and cannot agree on the same set of reasons. In that situation, several concurring opinions may be written, none of which is actually the view of a majority of the members of the court. Therefore, the concurring opinion joined by the greatest number of judges is referred to as the plurality opinion.
A dissenting opinion (or dissent) is an opinion written by one or more judges expressing disagreement with the majority opinion. A dissenting opinion does not create binding precedent nor does it become a part of case law. However, they are cited from time to time as a persuasive authority when arguing that the court's holding should be limited or overturned. In some cases, a previous dissent is used to spur a change in the law, and a later case will write a majority opinion for the same rule of law formerly cited by the dissent.
An advisory opinion is a court's nonbinding statement interpreting the law. A per curiam opinion is a judicial opinion issued under the name of the deciding appellate court. Unlike most judicial opinions, per curiam opinions do not identify the judge who wrote the opinion. Opinion evidence, as outlined in Rule 701 of the Federal Rules of Evidence, is witness testimony based directly on the witness's own thoughts, beliefs, or inferences.
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Official and unofficial reporters
Case law, also known as precedent or common law, is the body of prior judicial decisions that guide judges in deciding issues before them. Judicial opinions act as precedent for later courts, thus providing their own legal rules that become part of the law. For example, the Miranda Rights are an example of common law that developed from a constitutional provision.
Official reporters are publications designated by statute or court order as official. They contain only the text of the opinion. Unofficial reporters will include the same text of the case from the official reporter, but they also contain headnotes, topics, key numbers, and other aids to assist researchers. A single case may be published in both an official and an unofficial reporter and, therefore, have multiple citations. For example, Bush v. Gore is cited in the official reporter United States Reports and in two unofficial reporters: Supreme Court Reporter and Lawyer's Edition.
Legal researchers may find the same judicial opinion in any number of reporters. For instance, a case dealing with education law from the Kentucky Court of Appeals could be found in the Kentucky Decisions, the South Wester Reporter, or the Education Law Reporter. The opinion does not change from reporter to reporter, and it does not matter where a legal researcher finds a needed precedent, only that they do so.
West assigns a "topic and key number" to every headnote its editors create, with each key number referring to a specific legal issue. Different judicial opinions that discuss the same issue will receive the same corresponding topic and key number. The digest system further subdivides the law into over 450 topics, which are then subdivided into key numbers, which are assigned to specific legal issues within the broader issue. Topics and key numbers are consistent throughout West's System, so if a researcher finds a case from one jurisdiction that discusses a legal issue, they can use the topic and key number to find other cases from other jurisdictions that discuss the same issue.
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Case law research
Conducting case law research requires familiarity with various sources and tools. Law libraries, both physical and online, offer access to legal databases containing case law and related resources. Official reporters provide the designated publication of judicial opinions, while unofficial reporters include additional aids such as headnotes, topics, and key numbers to facilitate research. Regional reporters, such as the South Western Reporter, compile cases from specific regions, while topical reporters gather opinions from multiple jurisdictions based on a central theme.
Digests play a crucial role in case law research by enabling researchers to locate cases by subject and jurisdiction. They provide short summaries of the legal points discussed in indexed opinions, aiding researchers in determining the relevance of a case without reading it in full. The Digest System further subdivides the law into broad legal issues (Topics) and specific legal issues within those broader issues (Key Numbers). This consistent subject arrangement across jurisdictions allows researchers to find cases discussing similar legal issues across different regions.
When conducting case law research, it is essential to understand the hierarchy and relationships between courts. For instance, within the federal court system, the U.S. Court of Appeals for the Fifth Circuit's decisions are binding on federal district courts within that circuit. However, a court in California is not strictly bound to follow the Fifth Circuit's decisions, and the influence of precedents may vary depending on the deciding court and the case's specifics.
Additionally, case law research involves considering the factors that determine the weight of judicial opinions. The type of facts involved, the deciding court, and the timing of the decision all influence whether a court must follow a particular case law. By understanding these factors, researchers can assess the applicability and relevance of precedents to their specific legal context.
In conclusion, case law research is a comprehensive process that involves navigating judicial opinions, legal databases, reporters, digests, and court hierarchies to interpret the law and guide future decisions. Researchers must be adept at locating relevant cases, understanding precedents, and evaluating the weight and influence of judicial opinions within the legal landscape.
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Frequently asked questions
Case law is a body of previous decisions by judges that forms principles for interpreting the law.
Case law is informed by judicial opinions, which act as precedent for later courts. Lawyers call such judge-made rules "common law".
In Miranda v. Arizona, the U.S. Supreme Court interpreted the Fifth Amendment's guarantee of "due process" for people accused of crimes as requiring police to inform a suspect in custody of their constitutional rights before interrogation.
