20 years
- Novelty grace period for industrial design applications in Bulgaria
- How long is the PCT period for Bulgarian invention patent application
- How long does it take for a utility model application to be granted in Bulgaria?
- Novelty grace period for patent applications for inventions in Bulgaria
- Is a Bulgarian invention patent application eligible for DAS
- How long does it take to grant a Bulgarian invention patent application
- Instructions for Authorization of Industrial Design and Annual Fees in Bulgaria
- Whether the Bulgarian invention patent application can be type-converted
- Can the priority right of utility model application be restored in Bulgaria?
- What are the requirements for the Bulgarian invention patent application documents