- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 31 months from earliest priority date.
- Which is the competent authority for utility model applications in Bulgaria?
- Is it possible to apply for a combined appearance for a Bulgarian industrial design application
- Features of the Bulgarian invention patent application process
- Bulgarian invention patent application authorization and annual fee instructions
- How long is the PCT period for Bulgarian invention patent application
- Can the priority right of Bulgarian invention patent application be restored?
- How long is the protection period of industrial design in Bulgaria?
- How long is the PCT deadline for utility model applications in Bulgaria?
- Is a utility model application in Bulgaria eligible for DAS?
- Is a Bulgarian utility model application convertible?