In today’s global economy, it is increasingly common for Americans to do business with individuals and companies located overseas. International travel, online commerce, remote work, and foreign investment have made cross-border disputes far more common than they once were.
If a U.S. court has jurisdiction over the dispute—for example, because a contract was negotiated or breached in the United States, an injury occurred here, or the defendant has sufficient contacts with the forum state—the next challenge is serving the defendant with the lawsuit. That is where the Hague Service Convention often comes into play.
What Is the Hague Service Convention?
The Hague Convention on the Service Abroad of Judicial and Extrajudicial Documents in Civil or Commercial Matters—commonly called the Hague Service Convention—is an international treaty that establishes uniform procedures for serving legal documents in foreign countries.
More than 80 countries, including the United States, Canada, the United Kingdom, France, Germany, Japan, South Korea, Australia, Mexico, and many others, are parties to the Convention. The treaty helps ensure that defendants located abroad receive proper notice of legal proceedings while respecting the sovereignty and legal systems of other nations.
Does the Hague Convention Give a U.S. Court Jurisdiction?
No.
One of the most common misconceptions is that the Hague Service Convention determines whether someone can be sued in the United States. It does not.
The Convention addresses only how legal papers are served outside the US—not whether a US court has authority over the defendant.
Before the Hague Convention becomes relevant, a court in the United States must already have personal jurisdiction over the defendant under applicable state law and constitutional due process principles. Examples include:
- A contract requiring performance in the United States that was allegedly breached.
- A motor vehicle accident occurring in the United States, involving, for example, a defective automotive part made by a company outside the US.
- A defective product causing injuries here, such as a food (or one of its ingredients) made by company based abroad.
- Business activities purposefully directed toward the forum state.
- Other contacts sufficient to satisfy constitutional due process.
Once jurisdiction exists, the Hague Convention may dictate the proper method of serving the defendant abroad.
How Does Service Under the Hague Convention Work?
The exact procedure depends upon the country where the defendant is located.
It can be effective, but it’s not a simple process. Rather, it requires knowledge of another country’s law and procedures.
Generally speaking, the process works like this:
- The plaintiff prepares the summons, complaint, and any required Hague forms.
- If required by the destination country, the documents are translated into that country’s official language.
- The documents are transmitted to the foreign country’s designated “Central Authority.”
- The Central Authority arranges service under that country’s domestic law. This is key. Always check the HCCH Status Table to verify the exact rules for the country you need to serve. This might require translation of the local rules and/or input from a local attorney as to legal customs. For example, some countries also permit service by mail, private process servers, or other methods authorized under the Convention, while others prohibit those alternatives. The available options depend entirely on the declarations and reservations each country has made under the treaty.
- After service is completed, the Central Authority returns a certificate confirming when and how service was made.
Because every country has different requirements, international service often takes several months. Fortunately, courts generally recognize this delay and may extend deadlines accordingly. Pa.R.C.P. 404 gives a party three (3) months to serve a party outside of the Commonwealth of Pennsylvania from each time the lawsuit is renewed or reinstated. But talk to a lawyer about the exact process as it can vary from county to county.
What If You Don’t Know the Defendant’s Address?
This can be a significant problem.
The Convention applies only when the defendant’s address is known. This important limitation appears in Article 1 of the Hague Service Convention.
If, despite a diligent investigation, the plaintiff cannot determine where the defendant resides, the Convention does not govern service. In those circumstances, courts may permit alternative methods of service authorized by applicable procedural rules, provided those methods satisfy constitutional due process and are reasonably calculated to provide notice.
Of course, a plaintiff cannot simply claim ignorance. Courts generally require evidence demonstrating that reasonable efforts were made to locate the defendant before allowing substitute or alternative service.
A Recent Pennsylvania Decision
The Pennsylvania Superior Court recently addressed this issue in Davis v. Woodbury Fin. Servs., Inc., 2026 PA Super 144 (Pa. Super. Ct. July 7, 2026). The defendant argued that a default judgment should be opened because service was “improper.” Allegedly, it should have been accomplished under the Hague Service Convention. The Superior Court rejected that argument because the plaintiff had made diligent but unsuccessful efforts to locate the defendant’s address in Pennsylvania, Texas, Canada, and elsewhere. Since the defendant’s address remained unknown, Article 1 of the Convention expressly provided that the Hague Service Convention did not apply. As a result, the Plaintiff had no ability (much less obligation) to use the Convention to effectuate service, contrary to the Defendant’s assertions.
As such, the default judgment survived Defendant’s challenge.
Had the defendant’s foreign address been known, however, the Hague Service Convention likely would have governed service, and failure to comply with its procedures could have produced a very different result.
International Litigation Requires Careful Planning
International service of process is considerably more complex than serving someone who lives in the United States. Every country has its own procedural requirements, translation rules, and timelines. Mistakes can result in substantial delays—or, in some circumstances, dismissal of the case or challenges to a judgment years later.
Whether you are pursuing a claim against someone who lives overseas or defending an international lawsuit, understanding the Hague Service Convention is an important first step. An experienced litigation attorney can determine whether a U.S. court has jurisdiction, identify the proper method of service under the applicable treaty and procedural rules, and help ensure that the case proceeds without unnecessary delay.
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