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