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Go to: USPTO Contact Center

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571-272-1000

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General Information by Subject

-I-

Subject	Telephone	Fax	TTY
Information Center, Scientific and Technical (STIC)	571-272-3547	571-273-0048
Information Contacts Telephone Directory (to request a copy)	800-786-9199 571-272-1000		571-272-9950
Initial Patent Examination
Customer Service	571-272-4000	571-273-8300
Fax Response to Notice to File Missing Parts (drawings may not be submitted by fax))		571-273-8300
Initial Trademark Review	800-786-9199	571-273-9250
Innovation Station Child Development Center	571-272-2880
Inspection of Patent Files	703-308-2733
Intent to Use Applications, Trademarks	571-272-9550	571-273-9550
Interferences	571-272-9797
International Liaison Staff	571-272-7850	571-273-0093
International Patent (PCT) Application Information	571-272-4300	571-273-0419
International Patent Classification (IPC)	571-272-7807
Inventors Assistance Center (IAC)	571-272-1000 800-786-9199		571-272-9950
Inventors Assistance Program	866-767-3848
Issue Fee See Patent Publication, Office of

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