The validity of a patent refers to

The validity of patent means that the current legal status of patent has rights and can provide legal protection.

On the other hand, there may be many reasons for invalidation: failure to pay the annual patent fee on time, invalidation after the longest period of patent protection, invalidation after invalidation and so on. Of course, if the patent application does not pass the examination at all, it will show that there is no right in the legal state.