Demand for international preliminary examination
If a demand for international preliminary examination under Chapter II PCT is filed, any response to the WO-ISA must be submitted to the IPEA in the form of amendments and/or arguments under Article 34 PCT as part of the preliminary examination procedure (see points 4.2.003 ff).
WIPO PCT Guide 7.030
Source: http://www.epo.org/applying/international/guide-for-applicants/html/e/ga_c3_2_10_4.html
Date retrieved: 17 May 2021