Subject-Matter Jurisdiction, Supplemental Jurisdiction, Removal, and Venue

Civil Procedure constantly asks where a case belongs. A court may have authority over the defendant, but that is only one part of the analysis. The court must also have authority over the type of case. That authority is called subject-matter jurisdiction.

Personal jurisdiction and subject-matter jurisdiction must be kept separate. Personal jurisdiction concerns the court’s power over the defendant. Subject-matter jurisdiction concerns the court’s power over the kind of dispute. A defendant can waive objections to personal jurisdiction by failing to raise them properly. Subject-matter jurisdiction is different. It cannot be waived. If the court lacks subject-matter jurisdiction, the case must be dismissed or sent to a court that has authority to hear it.

This chapter focuses on the placement of civil cases within the court system. It explains federal question jurisdiction, diversity jurisdiction, supplemental jurisdiction, removal, remand, venue, transfer, and forum non conveniens. These doctrines are heavily tested because they require careful sequencing. A strong answer does not simply say, “federal court is proper.” It explains why the federal court has power over the case, why the location is proper, and whether any procedural device allows the case to move.

Federal courts are courts of limited subject-matter jurisdiction. They may hear only cases authorized by the Constitution and federal statutes. State courts, by contrast, generally have broad subject-matter jurisdiction and may hear most civil disputes unless federal law gives exclusive jurisdiction to federal courts.

This principle matters because federal courts do not have general authority to hear any dispute that seems important. A federal court must identify a jurisdictional basis. For first-year Civil Procedure and bar exam purposes, the two major bases are federal question jurisdiction and diversity jurisdiction.

Federal question jurisdiction exists when the plaintiff’s claim arises under federal law. Diversity jurisdiction exists when the dispute is between citizens of different states and the amount in controversy exceeds the statutory threshold.

A case may also enter federal court through removal if it was filed in state court but could have been filed originally in federal court. In some cases, a federal court with original jurisdiction over one claim may hear related state-law claims through supplemental jurisdiction.

Federal question jurisdiction exists when the plaintiff’s claim arises under the Constitution, federal statutes, or federal treaties. The most important rule is the well-pleaded complaint rule.

Under the well-pleaded complaint rule, the federal question must appear on the face of the plaintiff’s properly pleaded complaint. The plaintiff’s own claim must arise under federal law. A federal defense is not enough. A federal counterclaim is not enough. The plaintiff cannot create federal question jurisdiction by anticipating that the defendant will raise federal law in response.

For example, suppose a landlord sues a tenant in state court for unpaid rent under a state lease. The tenant intends to defend by arguing that a federal housing statute protects the tenant. That federal defense does not create federal question jurisdiction. The plaintiff’s claim is still a state-law contract or landlord-tenant claim.

Now compare a plaintiff who sues under a federal civil rights statute. The plaintiff’s own cause of action is created by federal law. Federal question jurisdiction exists.

The well-pleaded complaint rule is a classic exam trap because students often see federal law somewhere in the facts and assume federal jurisdiction exists. That is not enough. The federal issue must be part of the plaintiff’s properly pleaded claim.

Diversity jurisdiction allows federal courts to hear certain disputes between citizens of different states. The basic requirements are complete diversity and an amount in controversy exceeding $75,000, exclusive of interest and costs.

Complete diversity means no plaintiff may share state citizenship with any defendant. If even one plaintiff and one defendant are citizens of the same state, complete diversity is destroyed.

Suppose Plaintiff is a citizen of Georgia and Defendant is a citizen of Alabama. Complete diversity exists. If Plaintiff sues two defendants, one from Alabama and one from Georgia, complete diversity is absent because Plaintiff and one Defendant share Georgia citizenship.

Diversity jurisdiction is designed partly to protect out-of-state litigants from possible local bias and to provide a neutral federal forum for substantial interstate disputes. But because federal courts are limited, the requirements are strictly applied.

For individuals, citizenship means domicile. Domicile requires physical presence in a state plus intent to remain there indefinitely.

Residence alone is not necessarily domicile. A person may reside in one state temporarily while remaining domiciled elsewhere. A college student may live in Massachusetts for school but remain domiciled in Texas if the student intends to return there. A consultant may work in California for six months while remaining domiciled in Illinois.

A person has only one domicile at a time. To change domicile, the person must be physically present in the new state and intend to remain there indefinitely. Evidence of intent may include voter registration, driver’s license, employment, home ownership, tax filings, family location, bank accounts, and statements of future plans.

The time for determining diversity is usually when the action is filed. Later changes in citizenship generally do not destroy jurisdiction if diversity existed at filing.

Corporations have dual citizenship. A corporation is a citizen of its state of incorporation and the state where it has its principal place of business.

The principal place of business is usually the corporation’s nerve center. This means the place where high-level officers direct, control, and coordinate corporate activities. In many cases, this is corporate headquarters.

For example, a corporation incorporated in Delaware with headquarters in Illinois is a citizen of both Delaware and Illinois. If a plaintiff is a citizen of Illinois, complete diversity is destroyed if that corporation is a defendant.

Unincorporated associations are different. Partnerships, limited liability companies, and similar entities are generally citizens of every state in which their members or partners are citizens. This can make diversity analysis complex. An LLC with members in ten states may be a citizen of all ten. If any member shares citizenship with an opposing party, complete diversity may be destroyed.

Diversity jurisdiction also requires an amount in controversy exceeding $75,000, exclusive of interest and costs. The amount is measured by the plaintiff’s good-faith claim unless it appears to a legal certainty that the claim is for $75,000 or less.

This means the plaintiff does not need to prove at the filing stage that recovery will exceed $75,000. The plaintiff’s demand controls if made in good faith. But if the law clearly caps recovery at $50,000, the amount requirement is not satisfied.

Aggregation rules matter. A single plaintiff may aggregate all claims against a single defendant, even if the claims are unrelated. If Plaintiff has a $40,000 contract claim and a $40,000 tort claim against the same Defendant, Plaintiff may aggregate them to exceed $75,000.

Multiple plaintiffs generally may not aggregate separate and distinct claims to reach the threshold. If Plaintiff A has a $50,000 claim and Plaintiff B has a $40,000 claim against the same defendant, they usually cannot combine those amounts unless they assert a common undivided interest. A common undivided interest might involve co-owners asserting a single property right, not merely separate injuries from the same event.

Supplemental jurisdiction allows a federal court with original jurisdiction over at least one claim to hear additional related claims that do not independently satisfy federal subject-matter jurisdiction.

The basic idea is efficiency. If claims are part of the same overall dispute, it may make sense to resolve them in one case rather than split them between federal and state courts.

The usual test is whether the claims arise from a common nucleus of operative fact. In statutory language, the claims must form part of the same case or controversy. This generally means the claims are factually related enough that one would ordinarily expect them to be tried together.

Suppose Plaintiff sues Defendant in federal court under a federal employment discrimination statute. Plaintiff also brings a related state-law emotional distress claim based on the same workplace events. The federal claim supplies original jurisdiction. The state claim may fall within supplemental jurisdiction because it arises from the same facts.

Supplemental jurisdiction does not create federal power over every claim between the parties. The connection must be real. Unrelated claims require their own jurisdictional basis.

Supplemental jurisdiction has special limits in diversity cases. These limits prevent parties from using supplemental jurisdiction to evade the requirements of complete diversity and amount in controversy.

The policy is important. If plaintiffs could freely add nondiverse parties or claims through supplemental jurisdiction, the diversity statute’s structure would collapse. Federal courts would hear cases Congress did not authorize.

In diversity cases, claims by plaintiffs against certain joined parties may be barred when allowing them would undermine complete diversity. Students do not need to memorize every statutory cross-reference before law school begins, but they should understand the pattern: supplemental jurisdiction is more restricted when the plaintiff uses joinder devices to bring additional parties into a diversity case.

The central exam move is to ask: Is this a federal question case or a diversity-only case? If the original jurisdiction is federal question, supplemental jurisdiction is usually more generous. If the original jurisdiction is diversity, watch for statutory limits designed to protect complete diversity.

Even when supplemental jurisdiction exists, a federal court may decline to exercise it in certain circumstances.

A court may decline supplemental jurisdiction if the state-law claim raises a novel or complex issue of state law. Federal courts often avoid deciding unsettled state-law questions when state courts are better suited to do so.

A court may decline if the state-law claim substantially predominates over the federal claim. If the federal claim is small and the state issues dominate the case, keeping the state claims in federal court may be inappropriate.

A court may decline if the federal claims have been dismissed. If the anchor claim disappears early, the court may send remaining state-law claims to state court.

A court may also decline in exceptional circumstances when compelling reasons exist.

These discretionary factors remind students that supplemental jurisdiction is not only about power. It is also about whether federal court is the appropriate forum for related state-law claims.

Removal allows a defendant to move a case from state court to federal court if the case could originally have been filed in federal court. Only defendants may remove. A plaintiff who chose state court cannot remove the case after filing.

Removal usually goes to the federal district embracing the place where the state action is pending. If a case is filed in a state court located within the Northern District of Georgia, removal goes to the federal district court for that district, not to a federal court in another state.

The basic removal question is whether the federal court would have had original subject-matter jurisdiction. If the plaintiff filed a federal question case in state court, removal is often available. If the plaintiff filed a state-law case with complete diversity and the amount in controversy exceeds $75,000, removal may be available subject to special diversity limits.

Removal is defendant-controlled because it protects defendants from being forced to litigate in state court when a federal forum is authorized.

Diversity removal has special limits.

The forum-defendant rule generally prevents removal based solely on diversity if any properly joined and served defendant is a citizen of the forum state. The theory is that diversity jurisdiction protects against local bias against outsiders. If the defendant is a citizen of the forum state, that concern is weaker.

For example, if a Georgia plaintiff sues an Alabama defendant in Alabama state court on a state-law claim, the Alabama defendant generally may not remove based solely on diversity because the defendant is a citizen of the forum state.

There is also a general one-year limit on removal in diversity cases, subject to exceptions such as bad faith. This prevents defendants from removing late in the litigation after substantial state-court proceedings, though plaintiffs cannot manipulate the rules in bad faith to avoid removal.

Remand sends a removed case back to state court. If the federal court lacks subject-matter jurisdiction, remand is required. Subject-matter jurisdiction defects may be raised at any time. Procedural defects in removal usually must be raised promptly, often within a short deadline. If not timely raised, procedural objections may be lost.

Subject-matter jurisdiction asks whether the court system has power over the type of case. Venue asks which federal district is the proper geographic location for the case.

In federal civil cases, venue is usually proper in:

• A judicial district where any defendant resides, if all defendants reside in the same state;
• A judicial district where a substantial part of the events or omissions giving rise to the claim occurred, or where a substantial part of the property at issue is located;
• Or, if no district otherwise qualifies, a fallback district where any defendant is subject to personal jurisdiction.

Venue is about convenience, fairness, and connection to the dispute. It prevents cases from being filed in random districts with little relationship to the parties or events.

For individuals, residence for venue generally means domicile. For entities, residence for venue is often tied to personal jurisdiction in the district. Venue rules can become technical, especially in multi-district states, but the basic idea is practical: file where defendants reside or where substantial events occurred.

Venue does not require the “best” district. More than one district may be proper. If substantial events occurred in two districts, venue may be proper in both.

If venue is proper but inconvenient, a federal court may transfer the case to another district where the case might have been brought or to which all parties consent. The court considers convenience of parties and witnesses and the interests of justice.

Transfer is commonly used when the original venue is technically proper but another district is more sensible. Relevant factors include location of witnesses, location of evidence, convenience to parties, availability of compulsory process, local interest, court congestion, and practical efficiency.

If venue is improper, the court may dismiss or transfer the case in the interest of justice. Courts often prefer transfer over dismissal when the plaintiff made a reasonable mistake and transfer would avoid unnecessary delay.

Transfer should be distinguished from removal. Removal moves a case from state court to federal court. Transfer moves a case from one federal district to another federal district.

Forum non conveniens allows a court to dismiss a case when another forum is substantially more appropriate and transfer is unavailable. It often arises when the better forum is a foreign country or, in some contexts, a state court system.

The doctrine is discretionary. The court considers whether an adequate alternative forum exists and then balances private and public interest factors.

Private interest factors include access to evidence, availability of witnesses, cost of obtaining attendance, ability to view premises, and practical problems affecting trial.

Public interest factors include local interest in the dispute, court congestion, burden on jurors, familiarity with governing law, and avoiding unnecessary conflict-of-law problems.

Dismissal for forum non conveniens is a serious remedy because it ends the case in the current court. Courts usually require the alternative forum to be available and adequate. If the plaintiff would have no meaningful remedy elsewhere, dismissal is less likely.

Forum non conveniens is not merely a defendant’s preference for another forum. The alternative must be substantially more appropriate.

Suppose a Georgia plaintiff sues an Alabama defendant in federal court in Georgia for injuries from a car accident in Alabama. The plaintiff claims $100,000 in damages.

Start with subject-matter jurisdiction. There is no federal question because the claim is an ordinary state-law negligence claim. Diversity jurisdiction may exist because the plaintiff is a citizen of Georgia and the defendant is a citizen of Alabama. Complete diversity is satisfied. The amount in controversy exceeds $75,000, assuming the claim is made in good faith.

Next, personal jurisdiction must be analyzed separately. The Georgia federal court ordinarily borrows Georgia’s personal jurisdiction reach. If the Alabama defendant has no meaningful contacts with Georgia and the accident occurred in Alabama, personal jurisdiction in Georgia may be doubtful. The defendant’s connection to Alabama does not automatically create jurisdiction in Georgia.

Then consider venue. Venue in Georgia may be improper if the defendant does not reside in Georgia and a substantial part of the events occurred in Alabama. The proper venue is more likely a federal district in Alabama where the accident occurred or where the defendant resides.

If the case was filed in Georgia federal court and venue is improper, the court may dismiss or transfer in the interest of justice. If personal jurisdiction is also lacking, transfer may still sometimes be considered depending on the applicable transfer statute and circumstances.

This example shows why students must separate the doctrines. Diversity may be satisfied, but that does not automatically mean personal jurisdiction and venue are proper.

Subject-matter jurisdiction concerns the court’s power over the kind of case. Federal courts are courts of limited jurisdiction and may hear only cases authorized by the Constitution and federal statutes. The two major categories are federal question jurisdiction and diversity jurisdiction.

Federal question jurisdiction exists when the plaintiff’s properly pleaded complaint arises under federal law. A federal defense or counterclaim is not enough. Diversity jurisdiction requires complete diversity between plaintiffs and defendants and an amount in controversy exceeding $75,000. Individuals are citizens of their domicile. Corporations are citizens of their state of incorporation and principal place of business. Unincorporated associations take the citizenship of all members or partners.

Supplemental jurisdiction allows federal courts to hear related claims that share a common nucleus of operative fact with a claim within original federal jurisdiction. In diversity cases, supplemental jurisdiction is limited to prevent evasion of complete diversity. Courts may decline supplemental jurisdiction for novel state-law issues, predominating state claims, dismissal of federal claims, or exceptional circumstances.

Removal allows defendants to move cases from state court to federal court when the case could have been filed originally in federal court. Diversity removal is limited by the forum-defendant rule and a general one-year limit. Improperly removed cases may be remanded.

Venue identifies the proper federal district. Venue is generally proper where defendants reside, where substantial events occurred, where property is located, or under a fallback rule. Transfer moves cases between federal districts for convenience or to cure improper venue. Forum non conveniens allows dismissal when a substantially more appropriate forum exists and transfer is unavailable.

The key lesson is that federal litigation requires multiple forms of proper placement. The court must have subject-matter jurisdiction, the defendant must be subject to personal jurisdiction, venue must be proper, and removal or transfer must follow strict rules.