Are provisional patent applications assigned to examiners?

No, provisional patent applications are not assigned to examiners for examination. MPEP 504 explicitly states: “Provisional applications will not be examined.” This is because provisional applications are primarily used to establish a priority date and are not subject to substantive examination.

Topics: MPEP 500 - Receipt and Handling of Mail and Papers, MPEP 504 - Assignment of Application for Examination, Patent Law, Patent Procedure
Tags: application assignment, nonprovisional applications, patent examination