- 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
- Is it possible to apply for a combined appearance for a Bulgarian industrial design application
- Features of Bulgarian Utility Model Patent Application Process
- Which is the competent authority for patent applications for inventions in Bulgaria
- Can the priority right of Bulgarian invention patent application be restored?
- What are the requirements for the utility model application documents in Bulgaria?
- How long does it take for a utility model application to be granted in Bulgaria?
- How long does it take to authorize an industrial design in Bulgaria?
- Whether the Bulgarian invention patent application can be type-converted
- Novelty grace period for utility model applications in Bulgaria
- Instructions for Authorization of Industrial Design and Annual Fees in Bulgaria