Doe subpoena

Subpoena to seek the identity of an unknown defendant

A Doe subpoena is a subpoena that seeks the identity of an unknown defendant to a lawsuit. Most jurisdictions permit a plaintiff who does not yet know a defendant's identity to file suit against a placeholder defendant, using the name John Doe or Jane Doe. A plaintiff may then use the tools of the discovery process to seek the defendant's true name and amend the complaint to name the Doe defendant. A Doe subpoena is often served on an online service provider or ISP for the purpose of identifying the author of an anonymous post.

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