The claims fees must be calculated on the basis of the number of claims contained in the application in the version that is, in accordance with the indications in Form 1200, to be taken as the basis for processing in the European phase (see point 504505
). However, where the number of claims changes as a consequence of a later (further) amendment filed before expiry of the time limit set in the Rule 161 EPC
/Rule 162 EPC
number is to of claims fees due must
be used ascomputed on the basis for calculating the amount of the claims fees to be paid.on file upon expiry of the six-month period set in the Rule 161 EPC/Rule 162 EPC communication sets a six-month time limit for payment of any claims fees not yet paid
(see point 505506
). For further information, please refer to the examples given in OJ 2016, A103, points 3.1 and 3.2.