How does the USPTO determine the “date of commencement” for national stage applications?

The USPTO determines the “date of commencement” for national stage applications based on specific criteria. According to MPEP 1893.01: “For purposes of filing a national stage application under 35 U.S.C. 371, the date of commencement is the date of receipt of the national stage papers that include a specification (including claims), drawings (if necessary), and…

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