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- Which is the competent authority for utility model applications in Bulgaria?
- Instructions for Authorization of Industrial Design and Annual Fees in Bulgaria
- Novelty grace period for utility model applications in Bulgaria
- Whether the Bulgarian invention patent application can be type-converted
- How long is the PCT period for Bulgarian invention patent application
- Is a Bulgarian invention patent application eligible for DAS
- Novelty grace period for industrial design applications in Bulgaria
- Is a Bulgarian utility model application convertible?
- Bulgarian utility model application authorization and annual fee instructions
- Bulgarian invention patent application authorization and annual fee instructions