- 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.
- Novelty grace period for patent applications for inventions in Bulgaria
- How many years is the protection period of Bulgarian invention patent application
- What are the requirements for the Bulgarian industrial design application documents
- Features of Bulgarian Utility Model Patent Application Process
- How long is the PCT period for Bulgarian invention patent application
- Features of the Bulgarian design patent application process
- Whether the Bulgarian invention patent application can be type-converted
- Can the priority right of Bulgarian invention patent application be restored?
- Novelty grace period for utility model applications in Bulgaria
- How long is the protection period of industrial design in Bulgaria?