The USPTO will perform routine maintenance on the Trademark System from midnight-5:30 a.m. ET on Thursday, December 5.
During the maintenance period, the following systems will not be available.
• Trademark Status and Document Retrieval (TSDR)
During the maintenance period, the following systems will remain available, but with limited functionally:
• Trademark Electronic Application System (TEAS)
• Trademark Electronic Application System International (TEASi)