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Welcome to Electronic Patent Filing for UNREGISTERED eFILERS
A submission has not been filed officially at the USPTO until the e-filer executes the Submit function and the documents are received at the USPTO Eastern Time. The Acknowledgement Receipt is evidence of this submission.
All items denoted by * are required.

Patent Center has 100% of the functionality of EFS-Web, Public and Private PAIR, and is available to all users for electronic filing and management of patent applications.

On May 25th at 10am ET you may notice slight differences in your sign-in experience. An update is being made to continue to improve your USPTO.gov account experience. No user action is required.

Starting January 17, 2024, specification, claims and abstracts not filed in DOCX format will incur a non-DOCX surcharge of up to $400 for a new non provisional 111(a) application. See Final Patent Fee Rule for more information.

IMPORTANT: Please read the Legal Framework for using EFS-Web.  For information on the Paperwork Reduction Act as it pertains to: ePetitions, third party submissions under 37 CFR 1.290, Web-based application data sheets, and citations of prior art and written statements under 37 CFR 1.501, please see the OMB Clearance and PRA Burden Statement page.

*Main Functions

(This includes new filings of continuation, divisional, continuation-in-part and reissue applications, as well as reexamination and supplemental examination proceedings. A request for continued examination (RCE) and continued prosecution application (CPA) are considered existing documents and must be filed as a registered eFiler.)

Existing Application