As part of its fee policy reform the EPO introduced a new support scheme for micro-entities in April 2024, targeting users who are smaller and/or less familiar with the patent system.

According to the regulations of the European Patent Convention (EPC), Renewal fees for a European patent application in respect of the coming year are due on the last day of the month containing the anniversary of the European patent application's date of filing. This fees are to be paid starting from the third year for each year of the further duration of the European patent registration procedure before EPO.
The European patent registration procedure usually lasts between three to five years.

According to the regulations of the European Patent Convention (EPC), when filing European patent application the:
Filing fee
Search fee and
Claims fee.
are to be paid to EPO within one month from the date of filing the application .
Filing fee for online filing of one European patent application containing up to 35 pages actually amounts 135,- EUR.

According to the regulations of the European Patent Convention (EPC),

A European patent application containing more than 15 claims at the time of filing the claims incurs a claims fee in respect of each claim in excess of that number.
The claims fees must be paid within one month of filing the claims.

The claims may be filed at the following stages: