Patent Center availability issues

You may have been redirected to this page because Patent Center is currently unavailable. Please try again later or see the USPTO Systems Status and Availability page for additional system outage details. 

NOTE: If you arrived at this page through a search result and are trying to file or access an online patent application please go to Patent Center.

Additional Patent Electronic Systems

Please check the USPTO Systems Status and Availability page for operating status of the following systems that provide similar functionality as Patent Center:

EFS-Web for Registered eFilers

Enhanced filing, follow-on processing, saved submissions and more.

Sign in with account      

EFS-Web for Unregistered eFilers

Basic initial filing of new patent applications. Note:  Unregistered eFilers are not permitted to file follow-on submissions or fees in EFS-Web. We advise eFilers to pay fees online as part of the initial application submission or use an alternative filing method to pay fees on the same day to avoid a late surcharge.

Open EFS-Web Unregistered 

EFS-Web Contingency 

Basic initial filing of new patent applications when the primary portal to EFS-Web has an unscheduled outage.  Learn more about EFS-Web Contingency.

Open EFS-Web Contingency

Private PAIR 

Securely access information on your pending patent application

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Public PAIR 

For documents and status on publicly available patents and applications

Open Public PAIR


Alternative filing methods

If you need to file a new patent application, follow-on submission to existing application, or fee payment when EFS-Web, EFS-Web Contingency, and Patent Center are unavailable, please use an alternative filing method.


If you need assistance with Patent Center, EFS-Web, or PAIR, please contact the Patent Electronic Business Center at 866-217-9197 (toll free) or email .