PKI Outage for EFS-Web and Private PAIR

Written May 30, 2019

The US Patent and Trademark Office announced that PKI authentication for EFS-Web and Private PAIR will be unavailable starting 12:01 a.m., Thursday, May 30, and ending at 11:59 p.m., Friday, May 31 ET. There is the potential for further outages as well.

During the PKI outage period, USPTO customers will be unable to use PKI certificates to authenticate, however, the outage will not affect customers accessing EFS-Web and Private PAIR with a verified account.

If you have not migrated or need to sponsor support staff, please visit the USPTO Authentication Change website for guidance. The USPTO Systems Status and Availability page has more information on the outage.