Is the PCT international application transmittal letter required for filing a PCT application?
While the PCT international application transmittal letter (Form PTO-1382) is not explicitly stated as mandatory in MPEP 1830, it is highly recommended for use when filing PCT international applications with the United States Receiving Office. The MPEP states: “A PCT international application transmittal letter, Form PTO-1382, is available for applicants to use when filing PCT…
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