The initial protection period is 4 years, which can be extended for two consecutive three years, and the maximum protection period is 10 years.
Bulgarian Patent Office
English: Bulgarian Patent Office, abbreviation: BPO
Website: Патентното ведомство на Република България (bpo.bg)
Bulgarian invention patent search: BPO Online - portal.bpo.bg
no
The initial protection period is 4 years, which can be extended for two consecutive three years, and the maximum protection period is 10 years.
A 12-month novelty grace period is available if:
- The applicant authorizes others to use
- manifest misuse by a third party
A 12-month novelty grace period is available if:
- The designer, his legal successor, or a third party arising from the information or activities of the designer or his legal successor
- Third party that harms the interests of the designer
A novelty grace period of 6 months is available if:
- The applicant or the original right holder obviously abused the
- Exhibited by the applicant or the original right holder at an official or officially recognized exhibition
4-6 months
yes. For an invention with the same subject matter, the applicant may file a patent type conversion request within 2 months from the date of receiving the patent application decision, but no later than 10 years from the application date, and change the patent type from invention to utility model .
20 years
no