- 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
- Can the priority right of utility model application be restored in Bulgaria?
- Is a Bulgarian industrial design application convertible?
- Is a Bulgarian invention patent application eligible for DAS
- How long is the PCT period for Bulgarian invention patent application
- Whether the Bulgarian invention patent application can be type-converted
- Can the priority right of Bulgarian invention patent application be restored?
- How long is the application period for industrial design in Bulgaria?
- What are the requirements for the Bulgarian industrial design application documents
- Which is the competent authority for patent applications for inventions in Bulgaria
- How long does it take to grant a Bulgarian invention patent application