| Filing Language: Bulgarian |
Necessary documents:
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Attachments (if any):
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- Grant fee: The applicant shall pay the granted fee within 3 months after receiving the granted notice.
- Annuity: pay year by year from the first year of the application date, and should be paid before the last day of the month of the application date at the latest, not exceeding one patent year, and the annual fee can be paid within a grace period of 6 months if it is overdue, and paid at the same time 200% late fee.
Reinstatement of priority on grounds of "due care" and "unintentional/due care" accepted.
no
no
The BPO only conducts formality examination of utility model patent applications. The formality examination takes 3 months, and the content of the examination includes whether the applied for utility model patent application belongs to the object of protection, the issue of unity, etc. If the granted conditions are met, the patent is authorized.
The BPO conducts formality examination of design patent applications.
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20 years
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