433 U.S. 186 (1977)
Shaffer v. Heitner is a landmark case in the realm of civil procedure, particularly concerning the limits of quasi in rem jurisdiction.
Does the exercise of quasi in rem jurisdiction based solely on the ownership of property in the forum state violate the Due Process Clause of the Fourteenth Amendment?
The Supreme Court held that the exercise of quasi in rem jurisdiction must meet the requirements of the Due Process Clause, which necessitates a sufficient connection between the defendant and the forum state. The Court established that mere ownership of property within a state does not automatically confer jurisdiction unless the property is related to the legal action being pursued.
The Supreme Court reversed the lower court's decision, concluding that the Delaware court lacked personal jurisdiction over the defendants. The Court reasoned that the mere ownership of stock in a Delaware corporation did not provide a sufficient basis for jurisdiction, as there was no direct connection between the defendants' actions and the state of Delaware. The ruling underscored the necessity for a more substantial link between the defendant and the forum state to satisfy constitutional requirements.
Shaffer v. Heitner is a pivotal case in civil procedure that reshaped the understanding of personal jurisdiction, particularly in the context of quasi in rem actions. The ruling established that jurisdiction cannot be based solely on property ownership; rather, there must be a significant connection between the defendant and the forum state related to the legal claims at issue. This case has had a lasting impact on subsequent cases and has influenced the development of jurisdictional doctrine, ensuring that defendants are afforded due process protections.