- Grant fee: It must be paid together with the granted announcement fee within one month from the receipt of 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.
- Novelty grace period for utility model applications in Bulgaria
- Can the priority right of Bulgarian invention patent application be restored?
- How long is the protection period of industrial design in Bulgaria?
- What are the requirements for the Bulgarian invention patent application documents
- Can the priority right of utility model application be restored in Bulgaria?
- Bulgarian utility model application authorization and annual fee instructions
- How long is the protection period for utility model applications in Bulgaria?
- Features of the Bulgarian design patent application process
- Features of Bulgarian Utility Model Patent Application Process
- Is a Bulgarian invention patent application eligible for DAS