- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 31 months from earliest priority date.
- Validation of European Patent in EPO member states: 3 months from the date of European patent grant
- What are the requirements for the utility model application documents in Bulgaria?
- Is a Bulgarian utility model application convertible?
- Novelty grace period for patent applications for inventions in Bulgaria
- Bulgarian utility model application authorization and annual fee instructions
- Is a Bulgarian industrial design application eligible for DAS?
- Features of the Bulgarian invention patent application process
- How long is the protection period for utility model applications in Bulgaria?
- Features of Bulgarian Utility Model Patent Application Process
- Which is the competent authority for utility model applications in Bulgaria?
- How long does it take to authorize an industrial design in Bulgaria?