priority date

基本解釋

The priority date is the date when the petition was filed at a Department of Homeland Security (DHS) office or submitted to an Embassy or Consulate abroad.
的優(yōu)先日期是在請愿時提出的在美國國土安全部（DHS）廳或提交到國外大使館或領(lǐng)事館的日期。
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.
優(yōu)先日期一般是申請人的親屬或雇主代表申請人正式向美國移民局遞交移民簽證申請的日期。
Although, not in itself, enough to monopolise an invention a provisional application will provide an applicant with an all important priority date and patent pending number.
盡管不在于其本身，一項臨時性申請已足以壟斷一項發(fā)明，它仍將向申請人提供所有重要的優(yōu)先權(quán)日期和專利受理號。

In part for this reason, the U.S. Patent and Trademark Office is likely to see increased numbers of provisional applications, which if done properly can be a cost-effective way to obtain an early priority date for a patent application.
FORBES: March 16, 2013: The United States Transitions To A 'First-Inventor-To-File' Patent System
To date, the Administration has funded increases for Station without major sacrifice to other priority NASA programs.
WHITEHOUSE: Jacob J. Lew Testimony to House Science Committee, 08/06/1998 The White House