Where the applicant has, under Rule 4.12, requested the International Searching Authority to take into account the results of an earlier search and has complied with Rule 12bis.1 and:

(i) the earlier search was carried out by the same International Searching Authority, or by the same Office as that which is acting as the International Searching Authority, the International Searching Authority shall, to the extent possible, take those results into account in carrying out the international search;
(ii) the earlier search was carried out by another International Searching Authority, or by an Office other than that which is acting as the International Searching Authority, the International Searching Authority may take those results into account in carrying out the international search.

(a) Examiner’s action. *****

(3) An international-type search will be made in all national applications filed on and after June 1, 1978.
(4) Any national application may also have an international-type search report prepared thereon at the time of the national examination on the merits, upon specific written request therefor and payment of the international-type search report fee set forth in § 1.21(e). The Patent and Trademark Office does not require that a formal report of an international-type search be prepared in order to obtain a search fee refund in a later filed international application.

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