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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.
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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.

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(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.)

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If you close or exit the eFiling portal you will lose your work.
For your convenience, all links in the left hand side of the eFiling portal will open in new windows to help
prevent accidental loss of information during filing.
links) will appear in a new window.
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Why you should consider becoming a REGISTERED eFILER
What is a REGISTERED eFILER?
A Registered eFILER has both an assigned Customer Number and Digital Certificate for
secure access to application documents both during and after the filing of a patent
application.
Digital Certificates provide an e-Filer with the abillity to authenticate sessions by requiring
positive identification of a customer using Public Key Infrastructure technologies.
Holders of Digital Certificates can take advantage of streamlined logins.
Registered e-Filers who authenticate can save "in-progress" submissions and return to
edit them prior to completing filing.
This ability to save "in-progress" submissions provides added protection against loss of data in the
event of a localized internet or office equipment failure or in the event of an unplanned system
outage during an online filing session.
Registered e-Filers can electronically process subsequent actions on electronically filed cases
without delay.
Registered e-Filers can review their confidential Private PAIR records for most of their
electronically filed cases.

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United States Patent & Trademark Office

YES! I want to become a REGISTERED eFILER - Tell me how to obtain a
Customer Number and register for a Digital Certificate now.
If you need help:
To ask questions about Patent e-Filing, or to suggest improvements to the online system, or
report technical problems, please call the Patent Electronic Business Center at (866) 217-9197
(toll free) or send email to [email protected].
Send general questions about USPTO programs to the USPTO Contact Center (UCC) .
For general questions regarding a petition, or requirements for filing a petition, contact the Office
of Petitions Help Desk at 1 800-786-9199 .

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