304.06 Outgoing Electronic Mail
The USPTO will not send formal e-mail notices or correspondence to an applicant, registrant, or practitioner qualified under 37 C.F.R. §11.14 unless the applicant, registrant, or qualified practitioner authorizes the USPTO to do so. TMEP §304.03.
When authorized to communicate by e-mail, the USPTO may send notices regarding Office actions and other official correspondence to the e-mail address designated by the applicant, registrant, or qualified practitioner. If the applicant, registrant, or qualified practitioner authorizes the USPTO to send official communications by e-mail, one primary e-mail address may be designated, as well as up to four secondary e-mail addresses for duplicate courtesy copies of the correspondence. See TMEP §403 regarding treatment of undeliverable e-mail correspondence.
The USPTO is not required to send Office actions and other official correspondence by e-mail whenever the applicant or registrant authorizes e-mail correspondence. The USPTO may send correspondence by e-mail, regular mail, fax, or other appropriate means.
See TMEP §304.08 regarding addresses for e-mail correspondence directed to the USPTO.