19 According to the R.O.C. Patent Act, which of the following statements is NOT correct?
(A) The claim may be made against a person who is fully aware that the patent application for invention has been laid open but continues to commercially exploit the invention prior to its publication.
(B) If the patent certificate number is not marked on the patented article, the patentee cannot claim damages for the infringement.
(C) An invention patent will be assigned a publication number eighteen months after the filing date.
(D) If the patent certificate number cannot be fixed on the patented article, the patentee may make such marking on the labels or packaging.