- 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.
- How long is the PCT deadline for utility model applications in Bulgaria?
- How long is the application period for industrial design in Bulgaria?
- What are the requirements for the Bulgarian invention patent application documents
- Instructions for Authorization of Industrial Design and Annual Fees in Bulgaria
- Features of the Bulgarian design patent application process
- Is a Bulgarian industrial design application eligible for DAS?
- How long is the protection period of industrial design in Bulgaria?
- Whether the Bulgarian invention patent application can be type-converted
- How long does it take to grant a Bulgarian invention patent application
- Features of Bulgarian Utility Model Patent Application Process