USPTO Systems Status and Availability

Friday Mar 17, 2023

Planned Events

Multiple Systems Maintenance

The USPTO will perform maintenance on multiple systems from 12 a.m. until 5 a.m. on Saturday, March 18 ET.

The following systems will be unavailable during the maintenance period: 

     Patent Practitioner Search

     Registered Practitioner Portal

     Exam Applicant Portal

     Office of Enrollment Discipline Information System (OEDIS)

     Assignment on the Web (AOTW)

     Electronic Trademark Assignment System (ETAS)

     Electronic Patent Assignment System (EPAS)

     Trademark Status and Document Retrieval (TSDR)

     Trademark Trial and Appeal Board Inquiry System (TTABVUE)

Private Patent Application Information Retrieval (Private-PAIR) Maintenance

The USPTO will perform maintenance on Private-PAIR from 12:01 a.m. until 5:30 a.m. on Saturday, March 18 ET.

During the maintenance period, Private PAIR will be unavailable. Please use Patent Center as an alternative to electronically retrieve patent applications.

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, March 19 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.