- Grant fee: The applicant shall pay the granted fee within 3 months after receiving the granted notice.
- Annuity: pay year by year from the first year of the application date, and should be paid before the last day of the month of the application date at the latest, not exceeding one patent year, and the annual fee can be paid within a grace period of 6 months if it is overdue, and paid at the same time 200% late fee.
- Features of the Bulgarian invention patent application process
- Is a Bulgarian utility model application convertible?
- How long is the PCT deadline for utility model applications in Bulgaria?
- Novelty grace period for industrial design applications in Bulgaria
- How long is the application period for industrial design in Bulgaria?
- How long is the PCT period for Bulgarian invention patent application
- How long does it take to authorize an industrial design in Bulgaria?
- How long is the protection period of industrial design in Bulgaria?
- How long is the protection period for utility model applications in Bulgaria?
- How many years is the protection period of Bulgarian invention patent application