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R. 64(1) EPC (former R. 46 EPC 1973) was amended by decision of the Administrative Council (OJ 2009, 299), and entered into force on 1 April 2010.

CLR IV B 4.1.3.C Statement indicating the subject-matter to be searched not sufficient to overcome the deficiency noted under Rule 63(1) EPC

In T 1653/12 the board pointed out that the applicant's statement did not provide a basis for the search examiner to perform a meaningful search. The particular wording used therein ("and/or") left it entirely open which of the two alternatives claimed should be searched. Hence, it was plausible that a meaningful search could not be made.

CLR IV B 4.1.3.B Subject‑matter not having technical character

CLR IV B 4.1.3.A Notoriously well-known technical features

CLR IV B 4.1.3 Declaration under Rule 63(2) EPC

a) Notoriously well-known technical features

b) Subject‑matter not having technical character

c) Statement indicating the subject-matter to be searched not sufficient to overcome the deficiency noted under Rule 63(1) EPC

CLR IV B 4.1.2 Additional search necessary: limited discretion of the examining division

CLR IV B 4.1.1 Introduction

R. 63(1) and (2) EPC (incomplete search) (former R. 63 EPC; R. 45 EPC 1973) have been amended by decision of the Administrative Council CA/D 3/09 of 25 March 2009 (OJ 2009, 299), which entered into force on 1 April 2010.

CLR IV B 4.1 ‍‍Rule 63 EPC governing incomplete search

4.1.1 Introduction

4.1.2 Additional search necessary: limited discretion of the examining division

4.1.3 Declaration under Rule 63(2) EPC

CLR IV B 4 Additional searches during examination

An additional search will sometimes be required either at the first stage of amendment or subsequently. This may arise for a number of reasons (for more details, see Guidelines C‑IV, 7.2 – November 2018 version).

CLR IV B 5 Amendments relating to unsearched subject-matter – Rule 137(5) EPC

CLR IV B 4.2 Non-payment of further search fees under Rule 64 EPC