An interesting question: I have a question about A153 / R159(1) that mainly concerns fees, and calculation of the renewal fee. If I enter a PCT application into EP before expiry of 31 months e.g. at 25 months, I imagine the fees (e.g. filing fee R159(1)(c), designation fee R159(1)(d), search fee R159(1)(e), examination fee R159(1)(f),…