What is the significance of the “Commencement of National Stage” date in U.S. national stage applications?

The “Commencement of National Stage” date is significant in U.S. national stage applications as it marks the beginning of the national phase processing. According to MPEP 1893.03(b): “The “Commencement of National Stage” date appearing on the Form PCT/DO/EO/903 is the date on which the 30-month time period expires.” This date is important because: It signifies…

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