- 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 industrial design applications in Bulgaria
- Whether the Bulgarian invention patent application can be type-converted
- Is a utility model application in Bulgaria eligible for DAS?
- How long does it take to grant a Bulgarian invention patent application
- Can the priority right of Bulgarian invention patent application be restored?
- Is a Bulgarian industrial design application convertible?
- Bulgarian utility model application authorization and annual fee instructions
- How long does it take to authorize an industrial design in Bulgaria?
- Bulgarian invention patent application authorization and annual fee instructions
- How long is the PCT period for Bulgarian invention patent application