where multiple priorities are claimed, the priority period for the application shall be calculated from the earliest priority date.
The priority date is generally the date when the applicant's relative or employer properly filed the immigrant visa petition on the applicant's behalf with USCIS.
Rule 10 The date of filing referred to in the Patent Law, except for those referred to in Articles 28 and 42, means the priority date where priority is claimed.
It might be an industrial product or a handicraft commodity. Its requirement is novelty, that is an identical design did not appear in public before the priority date.
