Trademark Electronic Application System (TEAS) Maintenance
The USPTO will perform maintenance on TEAS beginning at 7 a.m. on Tuesday, October 3 ET.
To minimize the risk of disruption, we recommend closing any active sessions and stopping your work between 7 a.m. and 7:15 a.m. ET.
Cooperative Patent Classification (CPC) Migration
The USPTO will perform a migration on CPC from the Production Data Center in Alexandria to a new Data Center in Manassas, from 12:01 a.m. until 4:45 a.m. on Wednesday, October 4 ET.
During the migration window, the CPC and the following systems will be impacted:
- CPC DB and Classification Allocation Tool (CAT) will be unavailable.
- The OC Issue Classification form will be impacted by this update as this form requires CPC validation services. You may continue with other OC functionalities.
- In Docket Application Viewer (DAV), CPC information will be unavailable.
- In PE2E-Search, Similarity Search will be unavailable.
Last updated: Monday, Oct 2, 2023 at 7:38 AM ET
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