20 years
- What are the requirements for the utility model application documents in Bulgaria?
- Which is the competent authority for patent applications for inventions in Bulgaria
- Whether the Bulgarian invention patent application can be type-converted
- Instructions for Authorization of Industrial Design and Annual Fees in Bulgaria
- How long is the protection period for utility model applications in Bulgaria?
- Features of the Bulgarian design patent application process
- Is it possible to apply for a combined appearance for a Bulgarian industrial design application
- Is a Bulgarian utility model application convertible?
- What are the requirements for the Bulgarian invention patent application documents
- Is a utility model application in Bulgaria eligible for DAS?