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How does a letter rogatory differ from international subpoenas?

On Behalf of | Dec 17, 2025 | Out-of-state Discovery - Letters Rogatory |

When dealing with out-of-state or international discovery, two tools often come up: letters rogatory and international subpoenas. While they both serve the purpose of obtaining evidence or testimony from another jurisdiction, they have distinct differences. Understanding these differences can help clarify which tool might be appropriate for a specific situation.

What is a letter rogatory?

A letter rogatory is a formal request sent from one court to another, asking for assistance in gathering evidence or serving documents. It is typically used when a party needs to obtain information from a person or entity outside the country or in another state. The requesting court sends this request to the foreign court, which then handles the matter according to its own legal procedures.

What is an international subpoena?

An international subpoena is a legal document that orders someone to provide evidence or appear in a court of law. Unlike letters rogatory, which require a court to make a formal request, international subpoenas are often issued directly by the court in the jurisdiction seeking the evidence. They are more common when dealing with cross-border cases where the country has specific agreements or treaties in place.

Key differences in process and enforceability

The main difference between these two tools lies in their process and enforceability. A letter rogatory is a request for help, which means the foreign court has discretion over how to act. On the other hand, an international subpoena carries more direct authority but may not be recognized in countries without enforcement agreements.

Which method is right for out-of-state discovery?

Choosing between a letter rogatory and an international subpoena depends on the specific circumstances. While letters rogatory can be used for both domestic and international cases, international subpoenas might be the better option when the jurisdiction has clear agreements for enforcement.

Each tool has its pros and cons, so understanding when and how to use them can make a significant difference in the discovery process.