20 years
- Which is the competent authority for utility model applications in Bulgaria?
- Features of Bulgarian Utility Model Patent Application Process
- How long is the protection period for utility model applications in Bulgaria?
- Novelty grace period for utility model applications in Bulgaria
- Is a Bulgarian industrial design application convertible?
- What are the requirements for the utility model application documents in Bulgaria?
- Novelty grace period for patent applications for inventions in Bulgaria
- How long does it take to grant a Bulgarian invention patent application
- Features of the Bulgarian invention patent application process
- Can the priority right of utility model application be restored in Bulgaria?