EPO Holidays 2023 to 2025 – Official Closing Days & Patent Deadline Extensions
✅ How to Calculate Due Dates Around EPO Holidays
✅ EPO Closing Days 2023, 2024, and 2025 (Bridging Days Included)
For due date calculations in accordance with the European Patent Convention EPC. Covering 2023, 2024, and 2025.
EPO Closing Days 2023, 2024, and 2025
April 2025
May 2025
No EPO holidays between January 2023 and February 2023.
What is an EPO Holiday?
- 1
Why are there four EPO offices shown?
Four EPO offices are relevant for due date calculation: Munich, Vienna, The Hague, and Berlin.
- 2
So, when is it considered a holiday of the EPO?
If one of the four offices is closed, it is considered an EPO holiday.
- 3
Is there a difference between weekends and EPO holidays?
No. Weekends and holidays are treated the same in the due date calculation.
- 4
What are these EPO bridging days?
Days where the EPO decided to close. They are treated as holidays.
- 5
What is the impact of an EPO holiday?
Due dates are extended to the next working day if they fall on a holiday.
- 6
Which time zone is relevant for the EPO holidays?
EPO local time, which is either CET or CEST, depending on the time of the year.
Frequently asked questions
An EPO holiday is any day when at least one of the four main European Patent Office locations (Munich, Vienna, The Hague, Berlin) is closed. These closures impact patent filing deadlines under Rule 134(1) EPC.
If we find that the payment is not required, incomplete, needs office fee adjustments, or needs additional requirements, we will inform you.
If a deadline for a patent filing or renewal falls on an EPO holiday, it is automatically extended to the next working day.
Bridging days are additional non-working days declared by the European Patent Office. They are treated as official holidays for deadline extensions.
You can find the complete EPO holiday schedule for 2023, 2024, and 2025 on our interactive EPO Holiday Calendar.
Our EPO Holiday Calendar helps you track closing days and calculate due dates. Try it now to ensure you never miss an important deadline.
Yes, Saturdays and Sundays are treated the same as official holidays for due date calculations.
Yes! Subscribe to Patalytica’s free EPO deadline alerts to get notified about important closing days.