13 An invention patent application would be through the procedure of substantive examination prior to patentgranting. Which of the following statements is true?
(A) Within 18 months after the patent application, on request, the Intellectual Property Office should conduct a substantive examination over this application.
(B) Owing to interest conflicting, only the competitors of the applicant are entitled to requesting the substantive examination over the patent application.
(C) If no request for the substantive examination has been made in due time, the application is deemed to be withdrawn.
(D) The substantive examination over the patent application should be requested after this application has been published according to Taiwanese patent law.