The USPTO Application Assistance Unit (AAU) Contact Center will be
temporarily closed Wednesday, March 29 from 9:30 a.m. – 1 p.m. The AAU Contact Center will reopen at 1
p.m.
During the closure, AAU customers are advised to email HelpAAU@uspto.gov. They may also
leave a voice mail message with their contact information. All email and voice
mail messages will be responded to when the AAU Contact Center reopens.
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