- 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.
- What are the requirements for the Bulgarian invention patent application documents
- How long does it take for a utility model application to be granted in Bulgaria?
- Bulgarian invention patent application authorization and annual fee instructions
- Is it possible to apply for a combined appearance for a Bulgarian industrial design application
- Novelty grace period for industrial design applications in Bulgaria
- How long is the PCT period for Bulgarian invention patent application
- Whether the Bulgarian invention patent application can be type-converted
- Bulgarian utility model application authorization and annual fee instructions
- Novelty grace period for utility model applications in Bulgaria
- Features of the Bulgarian invention patent application process