What types of patent applications and documents can be filed via EFS-Web?

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.

The following types of patent applications and documents can be filed via EFS-Web:

• Provisional patent applications under 35 U.S.C. 111(b)
• Nonprovisional utility patent applications under 35 U.S.C. 111(a)
• Nonprovisional design patent applications under 35 U.S.C. 111(a)
• International applications filed under the PCT in the United States Receiving Office
• National stage submissions under 35 U.S.C. 371
• International design applications filed under the Hague Agreement
• Requests for ex parte reexamination for utility or design patents
• Requests for supplemental examination for utility, design, or plant patents
• Third-party preissuance submissions under 35 U.S.C. 122(e)
• Citation of prior art and written statements in patent files under 37 CFR 1.501

Follow-on documents can also be filed via EFS-Web for existing applications by registered users.