CHAPTER V – LAPSE
(1)A European patent with unitary effect shall lapse:
(a)20 years after the date of filing of the European patent application;
(b)if a renewal fee and, where applicable, any additional fee have not been paid in due time.
(2)The lapse of a European patent with unitary effect for failure to pay a renewal fee and any additional fee within the due period shall be deemed to have occurred on the date on which the renewal fee was due.