This page is an FAQ based on guidance from the Manual of Patent Examining Procedure. It is provided as guidance, with links to the ground truth sources. This is information only: it is not legal advice.
A divisional application is a later application for an independent or distinct invention, carved out of a nonprovisional application. It discloses and claims only subject matter disclosed in the earlier or parent application. As stated in MPEP 201.06:
A later application for an independent or distinct invention, carved out of a nonprovisional application (including a nonprovisional application resulting from an international application or international design application), an international application designating the United States, or an international design application designating the United States and disclosing and claiming only subject matter disclosed in the earlier or parent application, is known as a divisional application.