Is the announcement date of the invention patent a patent protection?

No. According to the query of relevant public information, the invention patent announcement date is the starting point for determining the scope of patent rights, and does not equal patent rights protection. The invention patent announcement date refers to the publication of the patent application, and patent rights protection means that the patent owner obtains patent rights after the invention patent announcement date. , during the patent protection period, rights protection measures can be taken against infringement of its patent rights.