What are the paper submission requirements for patent 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.

For paper or facsimile submissions of patent assignment documents to the USPTO, the following requirements apply:

• Either a copy of the original document or an extract of the original document must be submitted
• Only one side of each page may be used
• Paper size must be either 21.6 by 27.9 cm (8 1/2 inches by 11 inches) or 21.0 by 29.7 cm (DIN size A4)
• A 2.5 cm (one-inch) margin must be present on all sides
• The paper should be flexible, strong white, non-shiny, and durable

As stated in 37 CFR 3.24(b): For paper or facsimile submissions: Either a copy of the original document or an extract of the original document must be submitted for recording. Only one side of each page may be used.