What is 37 CFR 3.27 and how does it relate to submitting assignment documents?

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.

37 CFR 3.27 is a federal regulation that specifies the mailing address for submitting documents to be recorded at the USPTO. According to MPEP 302.08:

37 CFR 3.27 sets out how documents submitted for recording should be addressed to the Office.

This regulation ensures that assignment documents and other recordable documents are sent to the correct address for proper processing. It’s crucial for patent attorneys, inventors, and anyone submitting assignment documents to follow this regulation to avoid delays or misrouting of important legal documents.