- via Paris Convention : 6 months from earliest priority date.
- The way of the Hague Agreement: The Hague Agreement will automatically take effect in Bulgaria after 6 months from the registration of the Hague Agreement.
- EU appearance route: 6 months from the earliest priority date.
- What are the requirements for the Bulgarian invention patent application documents
- How long does it take to grant a Bulgarian invention patent application
- Is a Bulgarian industrial design application convertible?
- Novelty grace period for industrial design applications in Bulgaria
- Is a utility model application in Bulgaria eligible for DAS?
- How many years is the protection period of Bulgarian invention patent application
- Is a Bulgarian invention patent application eligible for DAS
- Which is the competent authority for utility model applications in Bulgaria?
- Novelty grace period for patent applications for inventions in Bulgaria
- Is a Bulgarian utility model application convertible?