We have redesigned the EPO website to give it a new look and feel. To ensure that the new layout is displayed correctly by your browser(s), we recommend you clear your browser cache.
The review fee is collected by the SISA/EP for its own benefit and its amount is fixed by the EPO. It is to be paid within one month from the date of the notification of lack of unity of invention (see GL/PCT‑EPO B‑XII, 10.4).
We also use analytics. Access full information on cookies that we use and how to manage them