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- Features of the Bulgarian invention patent application process
- Novelty grace period for patent applications for inventions in Bulgaria
- Bulgarian utility model application authorization and annual fee instructions
- Is a Bulgarian industrial design application convertible?
- How long does it take to grant a Bulgarian invention patent application
- What are the requirements for the Bulgarian invention patent application documents
- How long is the protection period of industrial design in Bulgaria?
- How long is the application period for industrial design in Bulgaria?
- How long is the PCT period for Bulgarian invention patent application
- Can the priority right of utility model application be restored in Bulgaria?