R.43bis PCT Written Opinion of the International Searching Authority

43bis.1       Written Opinion

(a)  Subject to Rule 69.1(b-bis), the International Searching Authority shall, at the same time as it establishes the international search report or the declaration referred to in Article 17(2)(a), establish a written opinion as to:

(i)  whether the claimed invention appears to be novel, to involve an inventive step (to be non-obvious), and to be industrially applicable;

(ii)  whether the international application complies with the requirements of the Treaty and these Regulations in so far as checked by the International Searching Authority.

The written opinion shall also be accompanied by such other observations as these Regulations provide for.

(b)  For the purposes of establishing the written opinion, Articles 33(2) to (6), 35(2) and (3) and Rules 43.4, 43.6bis, 64, 65, 66.1(e), 66.7, 67, 70.2(b) and (d), 70.3, 70.4(ii), 70.5(a), 70.6 to 70.10, 70.12, 70.14 and 70.15(a) shall apply mutatis mutandis.

(c)  The written opinion shall contain a notification informing the applicant that, if a demand for international preliminary examination is made, the written opinion shall, under Rule 66.1bis(a) but subject to Rule 66.1bis(b), be considered to be a written opinion of the International Preliminary Examining Authority for the purposes of Rule 66.2(a), in which case the applicant is invited to submit to that Authority, before the expiration of the time limit under Rule 54bis.1(a), a written reply together, where appropriate, with amendments.

Source: http://www.wipo.int/pct/en/texts/articles/r43bis.htm

Date retrieved: 17 May 2021

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EPO Guidelines - E General Procedural Matters

EPO PCT GL - B Search

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EPO PCT GL - G Patentability

EPO Guide for Applicants, part II Int. - C The EPO as ISA and SISA

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