On 30 March 2020 we experienced unavailability of Online
Filing and new online filing (CMS) between 21:20 hrs and 22:22 hrs CET.
We apologise for any inconvenience.
How to apply for a patent
Pay fees and claim refunds
Listen to our podcast
Calendar of events
in the lead
We also use analytics. Access full information on cookies that we use and how to manage them