The USPTO Application Assistance Unit (AAU) contact center will be closed Thursday, Nov. 29, from 11:30 a.m. to 2:30 p.m. ET.
During the closure, callers may leave a voicemail with their contact information or email HelpAAU@uspto.gov. AAU representatives will respond to emails and voicemails once the call center reopens at 2:30 p.m. ET.