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

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.

Topics: MPEP 500 - Receipt and Handling of Mail and Papers, MPEP 502 - Depositing Correspondence, Patent Law, Patent Procedure
Tags: EFS-Web, electronic filing, international patent applications, MPEP 502