Cecily Zamora
The US Constitution establishes a federal system of government, with power shared between the federal government and state governments, each with its own court system. The US Supreme Court is the highest court in the American judicial system, deciding appeals on cases brought in federal court or those brought in state court dealing with federal law. Cases entirely based on state law may be brought to federal court under the court's diversity jurisdiction, allowing a plaintiff of one state to file a lawsuit in federal court when the defendant is located in a different state. Federal courts are obligated to follow state law as articulated by state courts when sitting in diversity jurisdiction, as per the Erie doctrine.
| Characteristics | Values |
|---|---|
| When can federal courts apply state law? | When federal courts are exercising diversity jurisdiction and the case is entirely based on state law |
| What is diversity jurisdiction? | When a plaintiff of one state files a lawsuit in federal court against a defendant located in a different state, and the "amount in controversy" is more than $75,000 |
| Can federal courts overturn state court decisions on matters of state law? | No, federal courts are obligated to follow state law as articulated by state courts when exercising diversity jurisdiction. However, if there is no controlling state court precedent, a federal court may "'guess'" how the state supreme court would rule, but it is preferable to certify the question to the state supreme court for particularly important issues. |
| Can a state court decision be challenged in federal court? | Yes, if a federal basis for the challenge can be given, such as a violation of federal law or the federal constitution. |
| Can federal and state courts have overlapping jurisdiction? | Yes, in certain cases, such as when the state brings a murder charge and does not get a conviction, the federal government may file charges against the defendant if the act is also illegal under federal law. |
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What You'll Learn
Diversity jurisdiction
For a federal court to obtain subject-matter jurisdiction over a class action, the parties need only satisfy minimal diversity, which occurs when at least one plaintiff resides in a different state from at least one defendant. If a case is originally filed in a state court and the requirements for federal jurisdiction are met, the defendant may remove the case to a federal court. However, this removal must occur within 30 days of the first removable document, and no removal is available after one year of the filing of the complaint.
It is important to note that diversity jurisdiction does not apply to all types of cases. For example, federal courts do not have diversity jurisdiction over domestic relations cases, such as divorce, alimony, and child custody decrees, as state courts have developed expertise in dealing with these matters. Similarly, diversity jurisdiction does not exist for probate or decedent's estate litigation.
The Erie doctrine also plays a significant role in diversity jurisdiction. It states that federal courts must follow the substantive law of the state in which they reside, including state common law. This doctrine limits the ability of plaintiffs and defendants to obtain an advantage through the use or decision not to use diversity jurisdiction.
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Federal common law
However, in Erie Railroad Co. v. Tompkins (1938), the U.S. Supreme Court held that federal courts, when exercising diversity jurisdiction, must apply the statutory laws of the states but not the common law developed by state courts. In other words, federal courts had to use the same substantive laws as the courts of the states in which they were located, overruling Swift v. Tyson. Justice Brandeis in Erie asserted that there is no "federal general common law", emphasizing the importance of federalism and the separation of powers between the judiciary and Congress.
Despite this, federal common law still exists in certain instances. Firstly, it applies when a federal rule of decision is necessary to protect uniquely federal interests. For example, in Rodriguez v. FDIC (2020), the Supreme Court struck down a federal common law rule regarding the distribution of corporate tax refunds, stating that federal common law must be "necessary to protect uniquely federal interests". Secondly, federal common law applies when Congress has explicitly granted the courts the authority to develop substantive law.
In summary, while federal courts generally apply state law when hearing cases under diversity jurisdiction, there are specific circumstances where federal common law is still applicable, particularly when it concerns federal interests or when Congress has empowered the courts to develop substantive law.
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State supreme court rulings
The U.S. Constitution establishes a federal system of government, wherein power is shared between the federal government and state governments, each with its own court system. State courts have traditionally held the final say on matters of state law, but they share responsibility with federal courts for interpreting and applying federal law. This has resulted in a complex set of rules and guidelines for when the Supreme Court can take appeals from state courts.
The Supreme Court may review appeals from "final judgments" issued by the "highest court of a State in which a decision could be had", which typically refers to the state supreme court. However, appeals from lower courts can also be considered if all available appellate options within the state system have been exhausted. The "final judgment" rule generally requires that a case be fully resolved in the state courts and not subject to ongoing proceedings. However, the Supreme Court has made exceptions in certain circumstances, such as when a federal issue would survive and require a decision regardless of the outcome of other parts of the case.
The Supreme Court's jurisdiction over appeals from state courts is outlined in the Constitution and allows for the review of state decisions involving issues related to federal statutes, treaties, or constitutional law. The specific circumstances under which the Supreme Court may exercise this jurisdiction have been elaborated on in the Judiciary Act of 1789, which has been updated over time. For example, the Supreme Court may not review a state court decision if it rests on an "adequate and independent state ground". An "adequate" state basis must have "fair support" and be broad enough to sustain the judgment, while an "independent" state basis is not dependent on or "interwoven with" federal law.
State courts are bound to give effect to federal law and to disregard state law when there is a conflict. This includes not only the Constitution, laws, and treaties but also the interpretations provided by the United States Supreme Court. State courts have the power and duty to enforce obligations arising under federal law unless Congress grants exclusive jurisdiction to federal courts.
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Federal basis for appeal
The US Constitution creates a federal system of government, with power shared between the federal government and state governments, each with their own court systems. The US Supreme Court is the highest court in the country and can decide appeals on all cases brought in federal court or those brought in state court but dealing with federal law.
Federal courts can hear cases based on state law under their "diversity jurisdiction". This allows a plaintiff from one state to file a lawsuit in federal court if the defendant is from another state, and vice versa. However, federal courts, when exercising diversity jurisdiction, are obligated to follow state law as interpreted by state courts. They cannot overturn a state supreme court's interpretation of state law.
A federal basis for appeal exists when a case involves federal law, the federal constitution, or general legal principles accepted by federal courts. For example, if a state court rules that a state law is unconstitutional under the state constitution, a federal basis for appeal may exist if the law in question also potentially violates the federal constitution. In such a case, the federal court would not be reviewing the state court's interpretation of the state constitution but rather the law's compatibility with federal law.
Additionally, federal courts can hear cases that involve disputes between individuals and the government or disputes between governments of different states. For example, if a state brings a murder charge and does not secure a conviction, the federal government may, in some cases, file charges against the defendant if the act is also illegal under federal law.
It is important to note that the process of appealing to federal courts involves filing "briefs" and participating in "oral arguments" before the court. The court will then decide whether to hear the appeal, and if it does, it will issue a ruling.
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Federal and state court systems
The United States legal system consists of two distinct court systems: the federal court system and the state court system. These systems have different purposes and handle various types of cases. The federal court system deals with cases that involve federal laws and the US Constitution, while state courts handle a broader range of cases related to state laws and regulations.
The federal court system comprises 94 district courts, 13 circuit courts, and one Supreme Court. Federal courts interpret and enforce federal laws and the US Constitution, ensuring uniformity across the country. They handle cases involving federal crimes, bankruptcy, patents, immigration, and disputes between states. Federal courts have limited jurisdiction, taking on cases that involve specific federal laws, constitutional issues, or disputes between parties from different states.
On the other hand, the state court system mirrors the federal system, with trial courts (circuit or district courts) and appellate courts. State courts possess general jurisdiction, allowing them to hear a wide range of cases, including criminal, civil, family, and probate matters. They handle traffic violations, personal injury cases, family law, criminal offenses under state law, and disputes related to state regulations and governance.
The selection of judges also differs between the two systems. The President appoints federal judges, who are then confirmed by the Senate, serving lifetime terms. This process provides stability and protects judges from political influence. In contrast, voters typically elect state court judges, although the selection method can vary across states.
In some instances, both federal and state courts have concurrent jurisdiction, and parties may choose which court hears their case. For example, in cases of robbery, robbing an individual is a state crime, while robbing a mail carrier becomes a federal crime as it involves a government agency. Federal courts may take jurisdiction in cases that cross state lines, such as kidnapping, to avoid extradition issues. Additionally, federal courts can address state laws that potentially violate the US Constitution.
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Frequently asked questions
Yes, federal courts can apply state law. Cases that are entirely based on state law may be brought to federal court under the court's "diversity jurisdiction". Diversity jurisdiction allows a plaintiff of one state to file a lawsuit in federal court when the defendant is located in a different state.
Federal courts are obligated to follow state law as articulated by state courts when sitting in diversity jurisdiction. However, a state court decision can be challenged in federal court if a federal basis for the challenge can be given. For example, one could argue that the law violates the federal constitution.
Under no circumstances may a federal court second-guess a state supreme court's determination of state law. However, if there is no controlling state court precedent, the federal court may guess how the state supreme court would have ruled.
