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Longarm Personal Jurisdiction in US

Sep 13, 2025

Overview

The video explains the concept of longarm personal jurisdiction in the United States, focusing on when courts have authority over out-of-state defendants.

Definition of Personal Jurisdiction

  • Personal jurisdiction refers to a court's power to make decisions affecting a particular person or entity.
  • If a court lacks personal jurisdiction, it cannot issue enforceable decisions against the party.
  • The term "person" includes both individuals and businesses.

Example: New York Courts and Personal Jurisdiction

  • New York has multiple federal and state courts located throughout the state.
  • Courts' jurisdiction is often tied to state boundaries.

Jurisdiction Over In-State Defendants

  • A New York court unquestionably has jurisdiction over a defendant who is a resident of New York.

Jurisdiction Over Out-of-State Defendants

  • If the defendant resides in another state (e.g., New Jersey), it is not automatic that New York has jurisdiction.
  • Without personal jurisdiction, the plaintiff must sue in a state where the court does have jurisdiction over the defendant.

Longarm Personal Jurisdiction

  • Courts can sometimes assert jurisdiction over defendants residing out-of-state using longarm statutes.
  • If longarm personal jurisdiction is asserted, an out-of-state defendant must respond to the New York court.

Application and Implications

  • Longarm personal jurisdiction allows courts to involve non-residents in legal proceedings under certain circumstances.
  • Plaintiffs must consider where the court can properly assert jurisdiction before filing lawsuits.

Questions / Follow-Ups

  • What are the specific legal standards for a court to assert longarm personal jurisdiction over an out-of-state defendant?
  • How do different states define the limits of their longarm statutes?