20 years
- Which is the competent authority for patent applications for inventions in Bulgaria
- How long is the application period for industrial design in Bulgaria?
- How long does it take for a utility model application to be granted in Bulgaria?
- Novelty grace period for industrial design applications in Bulgaria
- Is a Bulgarian industrial design application convertible?
- What are the requirements for the Bulgarian invention patent application documents
- Is it possible to apply for a combined appearance for a Bulgarian industrial design application
- Novelty grace period for utility model applications in Bulgaria
- How many years is the protection period of Bulgarian invention patent application
- What are the requirements for the utility model application documents in Bulgaria?