One or more systems affected by planned maintenance

Multiple System Maintenance

The USPTO will perform routine maintenance affecting multiple systems from midnight-5:30 a.m. ET on Thursday, April 4.

During this maintenance period, availability of Supplemental Content data for new applications and follow-ons filed will be delayed in Patent Center.

Please check Patent Center after the maintenance period for confirmation of availability of the Supplemental Content Data.

Publication Site for Issued and Published Sequences (PSIPS) Maintenance

The USPTO will perform routine maintenance on the PSIPS systems from midnight-5:30 a.m. ET on Wednesday, April 3.