2-5 years
- Is a Bulgarian invention patent application eligible for DAS
- What are the requirements for the utility model application documents in Bulgaria?
- Can the priority right of utility model application be restored in Bulgaria?
- Is a Bulgarian industrial design application convertible?
- How many years is the protection period of Bulgarian invention patent application
- Bulgarian invention patent application authorization and annual fee instructions
- Instructions for Authorization of Industrial Design and Annual Fees in Bulgaria
- Novelty grace period for utility model applications in Bulgaria
- Is it possible to apply for a combined appearance for a Bulgarian industrial design application
- Features of Bulgarian Utility Model Patent Application Process