Office Action checkout

Owner

Jenna Zinn

Status date

Nov 5, 2026

Deadline

February 5, 2027

Status 641 means the USPTO mailed a non-final Office Action identifying issues with your application. You typically have three months to respond with arguments, amendments, or evidence. Missing the deadline can abandon the application.

The USPTO examiner requires a new specimen showing your trademark used directly in connection with your scientific research and development services.