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.

尽管不在于其本身，一项临时性申请已足以垄断一项发明，它仍将向申请人提供所有重要的优先权日期和专利受理号。

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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.

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