USPTO Systems Status and Availability

Friday Feb 02, 2024

Planned Events

Electronic Patent Assignments System (EPAS) and Electronic Trademark Assignments System (ETAS) Maintenance

The USPTO Certified Copy and Assignments (CC&A) Product team will replace the EPAS and ETAS systems with IPAS (Assignment Center), from 9 a.m. until 11 p.m. on Friday, February 2 ET.

During the maintenance period and after, the EPAS and ETAS products will not be available. Please use the new product at: https://assignmentcenter.uspto.gov. 

Services - Document Wrapper for Patents (S-DWP) Maintenance

The USPTO will perform routine maintenance on Services - Document Wrapper for Patents (S-DWP) for two consecutive nights. The dates are as followed:

    • The first night of maintenance will be from 12:01 a.m. until 5:30 a.m. on Friday, February 2 ET.

    • The final night of maintenance will be from 12:01 a.m. until 5:30 a.m. on Sunday, February 4 ET.

S-DWP will be available during the maintenance period; however, some operations may be briefly interrupted or delayed.

Electronic Library for Patents (P-ELP) Maintenance

The USPTO will perform routine maintenance on P-ELP for two consecutive nights. 

The beginning night of maintenance will occur from 12:01 a.m. until 5:30 a.m., Friday, February 2 ET.

The final night of maintenance will occur from 12:01 a.m. until 5:30 a.m., Sunday, February 4 ET.

P-ELP will be available during the maintenance period; however, some operations may be briefly interrupted or delayed.

Patent Center users should retry if an operation is interrupted or does not appear to have been completed.

Publication Site for Issued and Published Sequences (PSIPS) Maintenance

The USPTO will perform routine maintenance on PSIPS beginning at 11:59 p.m., Friday, February 2 and ending at 5 a.m., Saturday, February 3 ET.

Multiple System Maintenance

The USPTO will perform routine maintenance on Electronic System for Trademark Trials and Appeals (ESTTA) system and Trademark Trial and Appeal Board Inquiry System (TTABVUE) system from 12:01 a.m. until 5 a.m., Saturday, February 3 ET.

ESTTA and TTABVUE will be unavailable during the maintenance period.

Trilateral Document Access (TDA) Maintenance

The USPTO will perform maintenance affecting TDA Access beginning at 5 p.m., Monday, February 5 and ending at 5 a.m., Tuesday, February 6 ET.

During the maintenance period, the TDA system may not be unavailable.

 

Patent Public Search (PPUBS) Maintenance

The USPTO will perform maintenance on PPUBs from 11:59 p.m. on Friday, February 2 until 2 a.m. on Saturday, February  3 ET.  

During this deployment period, PPUBs will be unavailable.