Relevance and Impact of Prior Art Relevance: For prior art to invalidate a patent, it must be relevant - meaning it must relate to the specific claims being challenged. Irrelevant prior art will not affect the africa mobile whatsapp number validity of the patent. Public Accessibility: Prior art must be publicly available before the filing date of the patent.
If prior art was not publicly available, it cannot be used to invalidate the patent. 3. Date Criteria in Invalidity Search: Understanding the Role of Timing In a patent invalidity search , time plays a crucial role in determining whether a patent claim is valid or should be invalidated. The date criteria refer to the specific points in time that must be taken into account during the search, in particular the priority date and the filing date of the patent.
