The Application Assistance Unit (AAU) Contact Center will be closed Tuesday, April 28, from 9:30 a.m. to 1 p.m. ET. The unit will reopen at 1 p.m. ET.
During
the closure, we advise customers to email HelpAAU@uspto.gov. Callers
may also leave a voicemail with their contact information. We will
respond to all emails and voicemails when the call center reopens.