International Shoe

International Shoe Company Building (West Plains, Missouri). Photo by Doncram, CC BY-SA 4.0

The “Minimum Contacts” Standard for Personal Jurisdiction

Why this case matters

International Shoe v. Washington (1945) is the foundational case for modern personal jurisdiction under the Due Process Clause. Before this, courts relied on rigid territorial rules (Pennoyer v. Neff). International Shoe introduced flexibility by focusing on fairness and a defendant’s “minimum contacts” with the forum state. It’s the bedrock for all personal jurisdiction analysis, including the modern two-part test: minimum contacts + fairness.

Quick rule box: The Minimum Contacts Test

A state may assert personal jurisdiction over a nonresident defendant if:

→ The defendant has minimum contacts with the forum state → Such that maintaining the suit does not offend traditional notions of fair play and substantial justice

Key ideas:

• Contacts must show the defendant “purposefully availed” itself of the forum.
• Contacts can be systematic and continuous (for general jurisdiction) or related to the claim (for specific jurisdiction).
• Fairness matters: Courts consider burden on the defendant, interest of the forum state, and efficiency.

Short facts

• International Shoe was a Delaware corporation with its main office in Missouri.
• It had no physical office in Washington but employed salesmen there.
• Washington sued the company to collect unemployment taxes.
• International Shoe argued Washington courts had no personal jurisdiction over it.

Issue

Can a state exercise personal jurisdiction over an out-of-state corporation that has no physical presence but conducts ongoing business activities in the state?

Holding

Yes — the state can assert jurisdiction if the corporation has sufficient minimum contacts with the state, even without physical presence.

Core reasoning (plain terms)

Move away from geography, focus on fairness

• Physical presence isn’t required — what matters is whether the company’s activities create a substantial connection with the forum.
• International Shoe had “systematic and continuous” business in Washington — enough to justify jurisdiction.

Purposeful availment

• The company purposefully engaged in commerce in Washington.
• It benefited from laws and protections of the state, so it was fair to require it to defend a suit there.

Fairness and reasonableness

• It’s not about just any contact — jurisdiction must not violate “traditional notions of fair play and substantial justice.”
• Here, requiring International Shoe to defend itself in Washington was fair given its activities.

Doctrinal map

Personal jurisdiction (Due Process Clause)

• General jurisdiction: Based on continuous and systematic contacts (e.g., where the company is “at home” — Daimler).
• Specific jurisdiction: Based on contacts related to the cause of action.

From Pennoyer to Shoe to modern cases

• Pennoyer: Physical presence required.
• International Shoe: Shift to fairness and contacts.
• Modern cases (e.g., World-Wide Volkswagen, Burger King, Bristol-Myers): Refine the scope and limits of minimum contacts.

Exam and practice checklist

Minimum contacts analysis Ask:

• Did the defendant purposefully direct activities at the forum state?
• Are the contacts related to the claim? (Specific jurisdiction)
• Are the contacts so extensive that the defendant is “at home”? (General jurisdiction)

Fairness factors (from later cases):

• Burden on the defendant
• Forum state’s interest
• Plaintiff’s interest in obtaining relief
• Judicial efficiency
• Shared interest in furthering substantive policies

Applying Shoe to a hypothetical (quick IRAC)

Issue: Can Texas sue GearCo, a Nevada corporation, over unpaid taxes from its Texas sales operations?

Rule: A state may assert jurisdiction if the defendant has minimum contacts and jurisdiction is fair.

Application: GearCo sends sales reps to Texas regularly, maintains a regional manager in Houston, and sells to dozens of Texas clients. It has purposefully availed itself of doing business in Texas.

Conclusion: Texas courts can assert jurisdiction over GearCo under International Shoe.

One-page takeaway

International Shoe replaced rigid geography with flexible fairness. Minimum contacts = purposeful availment + relatedness + fairness. Even without offices or incorporation in the state, a business can be sued there if it benefits from doing business there. It’s the cornerstone of modern personal jurisdiction doctrine.