The search divisions of the EPO also carry out searches on national applications of certain of its contracting states. These guidelines are not necessarily fully applicable to these national searches, nor are the ways in which these searches differ from European searches specifically pointed out. However, these national searches are to a large extent identical to, or compatible with, European searches.[]
Source: http://www.epo.org/law-practice/legal-texts/html/guidelines/e/b_ii_4_6.htm
Date retrieved: 17 May 2021