USPTO Systems Status and Availability

Thursday Jun 15, 2023

Planned Events

Patent Examination Data System (PEDS) Maintenance

The USPTO will perform maintenance on Patent Examination Data System (PEDS) from 12 a.m. until 5 a.m. on Friday, June 16 ET.

During this maintenance period, PEDS will be unavailable.

Patent Electronic Filing System-Web (EFS-Web) Maintenance

The USPTO will perform maintenance on EFS-Web from 8 p.m. until 10 p.m. on Sunday, June 18 ET.

During this maintenance period, Fee Worksheets and Acknowledgement Receipts for submissions will not be generated.

Applicants may file submissions in EFS-Web during this time but wait until Monday for those documents to be generated. Applicants may still file submissions via Patent Center.

Multiple System Maintenance

The USPTO will perform maintenance affecting multiple systems from 12 a.m. until 5 a.m. on Tuesday, June 20 ET.

The following systems will be unavailable during the maintenance period:

    • EFS-Web for Registered eFilers, Unregistered eFilers, and EFS-Web Contingency

Patent Center will be available as an alternative to electronically file patent applications. Please refer to our Filing Documents during an Outage page for other alternative filing method.

Multiple System Maintenance

The USPTO will be performing routine maintenance from 12:01 a.m. until 5:30 a.m. on Tuesday, June 20 ET. 

During the maintenance, there will be a complete outage for the following systems:

    • Electronic Patent Assignment System (EPAS)

    • Electronic Trademark Assignment System (ETAS)

Data Center Migration

 The USPTO will perform a DMZ migration on the various products from the Production Data Center in Alexandria to a new Data Center in Manassas, from 10 a.m. until 3 p.m. on Tuesday, June 20 ET. 

During the migration window, these products will be unavailable: 

  • PTOnet (PTONet) 
  • Identity, Credential, and Access Management-Authenticator (ICAM-Authenticator) 
  • Enterprise Scanner (ES) 
  • Trilateral Network (TRINet) 

If customers have any issues after the maintenance, please call the Service Desk. 

Multiple System Maintenance

The USPTO will perform maintenance affecting multiple systems from 12:01 a.m. until 5:30 a.m. on Wednesday, June 21 ET.

During this maintenance period, availability of Supplemental Content data for new applications and follow-ons filed will be delayed in the following systems:

  • Patent Center
  • Private Patent Application Information Retrieval (Private PAIR)

Please check Patent Center or Private PAIR after the maintenance period for confirmation of availability of the Supplemental Content Data. If you have questions, please contact the Patent Electronic Business Center (EBC) at (866) 217-9197 during their operating hours of 6 a.m. to midnight, Monday - Friday ET, or email ebc@uspto.gov.

Enterprise Scanner Migration

The USPTO will perform a DMZ migration on Enterprise Scanner from the Production Data Center in Alexandria to a new Data Center in Manassas, from 8 a.m. until 1 p.m. on Thursday, June 22 ET.   

During the migration window, ES will be unavailable.  If customers have any issues after the maintenance, please call the Service Desk.