What are the consequences of filing a PCT application with the USPTO when no applicant is a U.S. resident or national?

Filing a PCT application with the USPTO when no applicant is a U.S. resident or national has specific consequences, as explained in MPEP 1810: The USPTO is not a competent receiving Office for such an application under PCT Rule 19.1(a). However, the filing date can be preserved if at least one applicant is a resident…

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