How does the USPTO determine the date of commencement for national stage entry?
The USPTO determines the date of commencement for national stage entry based on specific criteria outlined in MPEP 1893.01. The section states: “For purposes of determining the date of commencement, all of the requirements of 35 U.S.C. 371(c)(1), (2), and (4) must have been complied with. Thus, the date of commencement is the international filing…
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