本文旨在探讨专利无效宣告决定作出后,向法院提起行政诉讼的期限的准确计算方法。这个看似非常简单的一个程序问题,但是司法实践中却有完全不同的认定方法,笔者希望通过此文,引起知识产权界对该问题的关注,并借专利法第四次修改的契机,对此问题予以明确,以期司法实践中统一适用标准。 The purpose of this paper is to investigate the exact calculation of the deadline for bringing an administrative action before a court after the decision on invalidation of a patent has been made. This seemingly very simple procedural issues, but judicial practice has completely different methods of identification, I hope this article, causing the intellectual property community on the issue of concern, and by the fourth revision of the Patent Law, the opportunity to This issue should be clear, with a view to uniform application of standards in judicial practice.