https://www.epo.org/en/node/accordance-filing-date

Accordance of a filing date

Accordance of a filing date

Questions and answers

FAQ

I intend to file a patent application (a first filing) on a Sunday. Does the EPO accord a filing date also on a day on which it is closed?

Yes. For European patent applications, provided the requirements under Article 80 EPC and Rule 40...

FAQ

What happens if certain filing options are not available on the day I want to file my application?

Your application is a second filing

If your European patent application or international...