
Case law is a collection of reported cases that form the body of law within a given jurisdiction, based on judicial opinions that may set future precedent. Jurisdiction is the power of a rendering court to hear and decide cases, and it helps to define and circumscribe the authority of courts within a constitutional system. Jurisdictional policies reflect a diverse range of sometimes competing values, and a better understanding of jurisdiction can help clarify the role of the federal judiciary in the constitutional structure. In the US, federal courts have exclusive jurisdiction over certain subject matters of national significance, while state courts have general jurisdiction to hear virtually any claim arising under federal or state law, except those under federal jurisdiction. Case law helps to clarify court systems' jurisdictions by providing a record of past decisions and precedents, which inform future rulings and help define the boundaries of authority for different courts.
How does case law clarify court systems jurisdictions?
| Characteristics | Values |
|---|---|
| Case law is the collection of reported cases that form the body of law within a given jurisdiction | Cases are reported chronologically in books called reporters |
| Jurisdiction is the "power" of a rendering court | Jurisdictional policies reflect a diverse range of sometimes competing values |
| Jurisdiction defines and circumscribes the authority of courts within a constitutional system | Understanding jurisdiction can help clarify various jurisdictional doctrines |
| Federal courts have exclusive jurisdiction over certain subject matters of national significance | Federal courts possess exclusive jurisdiction over issues like patent and admiralty law |
| Federal courts have limited jurisdiction | Federal courts can only hear cases authorized by the United States Constitution or federal statutes |
| State courts have general jurisdiction | State courts can hear virtually any claim arising under federal or state law, except those under federal jurisdiction |
| State courts have concurrent subject-matter jurisdiction with federal courts in many areas | Parties have the flexibility to choose the forum they believe will be most advantageous for their case |
| The concept of subject-matter jurisdiction extends beyond the domestic sphere and influences international law | The jurisdiction of international criminal tribunals, such as the International Criminal Tribunal for Rwanda, holds international political significance |
| Personal jurisdiction refers to the court's jurisdiction over the person or entity being sued | The most common way to establish personal jurisdiction is by suing where the person or entity is located |
| Subject-matter jurisdiction refers to the court's jurisdiction over the legal issue or dispute | A court must have subject-matter jurisdiction to hear and decide a case |
| Courts adhere to stare decisis, respecting and adhering to precedent | Courts generally follow the decisions of higher courts in their jurisdiction |
| Court decisions are binding within their jurisdiction | A decision by the United States Supreme Court is binding precedent in all courts |
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What You'll Learn

Federal and state courts' jurisdictional division
Case law is the collection of reported cases that form the body of law within a given jurisdiction. It is based on judicial opinions by various courts, which may set future precedent. In the US, federal courts are courts of limited jurisdiction, meaning they can only hear cases authorized by the US Constitution or federal statutes. This division of jurisdiction between state and federal courts ensures that each court system addresses the types of cases best suited to their respective expertise and roles.
Federal courts have exclusive jurisdiction over certain subject matters of national significance, such as patent and admiralty law, and issues related to federal statutes, the Constitution, or treaties. This exclusive jurisdiction reflects a substantial federal interest and facilitates the development of a uniform body of federal law for complex issues with interstate implications. Federal courts also have diversity jurisdiction, which allows plaintiffs from one state to file lawsuits in federal court when the defendant is from a different state, and the amount in controversy exceeds a certain threshold.
State courts are presumed to have the power to hear virtually any claim arising under federal or state law, except those under the exclusive jurisdiction of federal courts. They often maintain specialized courts of limited subject-matter jurisdiction, such as probate courts, traffic courts, juvenile courts, and small claims courts. While state courts have general jurisdiction over a wide range of cases, they cannot hear cases against the federal government or federal agencies, which fall exclusively under federal court jurisdiction.
In some instances, the jurisdiction of state and federal courts may overlap, and plaintiffs have the initial choice of forum. This concurrent jurisdiction provides flexibility for parties to choose the court they believe will be most advantageous for their case. However, if the plaintiff chooses a state court, the defendant may sometimes seek to "remove" the case to federal court.
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Subject matter jurisdiction
Subject-matter jurisdiction, also called jurisdiction ratione materiae, is a legal doctrine regarding the ability of a court to lawfully hear and adjudicate a case. Subject-matter jurisdiction is the authority or power that each court has over certain types of legal disagreements (disputes). For a court to hear a particular case, it must have subject-matter jurisdiction over the issue or issues that you are asking the court to decide on.
In the US, federal courts are courts of limited jurisdiction, meaning that they can only hear cases that meet specific conditions outlined in 28 USC 1332. Federal courts possess exclusive jurisdiction over certain subject matters of national significance, such as patent and admiralty law. This is because these issues have substantial federal interests and require a uniform body of federal law to govern complex issues with interstate implications.
On the other hand, most state courts are courts of general jurisdiction, meaning they are presumed to have the power to hear virtually any claim arising under federal or state law, except those under the exclusive jurisdiction of federal courts. For example, each state court has general jurisdiction over the affairs within its state, including family law, state criminal law, state civil claims, and state tort claims.
In some cases, federal and state courts may have concurrent subject-matter jurisdiction, giving parties the flexibility to choose the forum that they believe will be most advantageous for their case. However, a federal court has the authority to dismiss a case for lack of subject-matter jurisdiction upon motion of a party or on its own initiative.
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Jurisdictional doctrines
Jurisdiction is a complex concept that is central to the work of state and federal courts in the United States. It is defined as the "power" of a rendering court, which clarifies various jurisdictional doctrines and the federal judiciary's role in the constitutional structure.
Additionally, jurisdictional doctrines are influenced by the distinction between general jurisdiction and limited jurisdiction. General jurisdiction refers to a court's ability to hear and decide on a wide range of cases unless restricted by law or constitutional provisions. On the other hand, limited jurisdiction means that a court has restrictions on the cases it can decide based on factors such as the damages claimed or the nature of the dispute.
Understanding the jurisdictional doctrines is crucial for determining the appropriate court to file a lawsuit. This involves considering both personal jurisdiction, which is having jurisdiction over the person or entity being sued, and subject-matter jurisdiction, which is having jurisdiction over the legal issue or dispute at hand.
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Personal jurisdiction
In cases involving out-of-state defendants, the court may still have personal jurisdiction if the defendant has a substantial connection to the state, such as owning property or conducting substantial business within the state. Proving sufficient minimum contacts can be complex, and specific laws vary by state.
In international cases, personal jurisdiction is determined differently depending on the countries involved. If a defendant is not physically present in the prosecuting country, that country may wait until the defendant enters their territory or pursue extradition. Some countries, like China, prefer to prosecute their citizens for crimes committed abroad rather than extradite them. In cases that occur outside the territory of any country, such as in international waters or airspace, jurisdiction is usually determined by the nationality of the defendants or victims or the flag state of the vessel.
The concept of personal jurisdiction has evolved over time, with courts creating new types of jurisdiction to address challenges, such as the quasi in rem jurisdiction, which allows jurisdiction over the land itself even if the owner is not present. Understanding the connection between jurisdiction and judicial power is crucial for clarifying jurisdictional doctrines and the role of the judiciary in the constitutional structure.
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Original jurisdiction
Case law is a collection of reported cases that form the body of law within a given jurisdiction. It is based on judicial opinions by various courts, which may set future precedent. In the US, courts adhere to stare decisis, meaning they respect and adhere to the precedent of previous decisions. Generally, a lower court will follow the decisions of higher courts in its jurisdiction. Therefore, the effect of a court's decision on other courts depends on the level of the court and its jurisdiction.
- All actions or proceedings involving ambassadors, other public ministers, consuls, or vice consuls of foreign states
- All controversies between the US and a state
- All actions or proceedings by a state against the citizens of another state or against non-citizens
The Supreme Court's original jurisdiction is not necessarily exclusive, and Congress has granted lower federal courts concurrent jurisdiction in some cases. The Supreme Court has rarely exercised its jurisdiction over foreign officials, and its original docket has largely been dedicated to resolving disputes between state governments. The Court has generally accepted state party cases dealing with boundary and water disputes, but it has been less likely to hear cases dealing with contract disputes or other subjects not deemed sufficiently substantial for the Court's resources.
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Frequently asked questions
Jurisdiction is the
General jurisdiction refers to a court's ability to hear and decide on a wide range of cases, whereas limited jurisdiction means a court has restrictions on the cases it can preside over. For example, small claims courts have limited jurisdiction and can only hear cases that claim damages of a certain amount or less.
Exclusive jurisdiction means that only a particular court can decide a case, whereas concurrent jurisdiction allows parties to choose between forums, such as between federal and state courts.
Case law forms the body of law within a given jurisdiction, based on judicial opinions that may set future precedent. Courts adhere to stare decisis, meaning they respect and follow the precedent of previous decisions, particularly those of higher courts in their jurisdiction.
Jurisdiction refers to the state and court where a lawsuit is filed, while venue refers to the specific county where the action is filed.





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