- Grant fee: It will be paid together with the granted announcement fee one month after receiving the granted notice, and the payment will be doubled if it is overdue.
- Annuity: The renewal fee payment period is the corresponding date of the application date in the year, and can be paid within the last year of the current validity period. Payment can still be made within 6 months from the overdue date, subject to a penalty.
- How many years is the protection period of Bulgarian invention patent application
- Novelty grace period for utility model applications in Bulgaria
- Is it possible to apply for a combined appearance for a Bulgarian industrial design application
- Is a Bulgarian invention patent application eligible for DAS
- Features of the Bulgarian design patent application process
- Is a Bulgarian industrial design application convertible?
- Which is the competent authority for patent applications for inventions in Bulgaria
- How long does it take to authorize an industrial design in Bulgaria?
- Is a Bulgarian industrial design application eligible for DAS?
- Bulgarian utility model application authorization and annual fee instructions