If, after considering the ISR and WO-ISA (see points 238
ff) and, where applicable, the result of the international preliminary examination as laid down in the IPER (see points 405
ff) and/or a supplementary international search (see points 273
ff), an applicant decides to pursue his international application further before the EPO as designated/elected Office, he must comply with the requirements for entry into the European phase within 31 months
from the filing date or, if priority has been claimed, from the earliest priority date.).