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 filing of the demand constitutes the election of all contracting states which are designated and are bound by Chapter II of the PCT.
Art. 37, Rule 53.7GL/ISPE 22.11
We use cookies on our website to support technical features that enhance your user experience.
We also use analytics. Access full information on cookies that we use and how to manage them
