The initial protection period is 4 years, which can be extended for two consecutive three years, and the maximum protection period is 10 years.
- via Paris Convention : 6 months from earliest priority date.
- The way of the Hague Agreement: The Hague Agreement will automatically take effect in Bulgaria after 6 months from the registration of the Hague Agreement.
- EU appearance route: 6 months from the earliest priority date.
Reinstatement of priority on grounds of "due care" and "unintentional/due care" accepted.
The initial protection period is 4 years, which can be extended for two consecutive three years, and the maximum protection period is 10 years.
Reinstatement of priority on grounds of "due care" and "unintentional/due care" accepted.
2-5 years
- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 31 months from earliest priority date.
The BPO conducts formality examination of design patent applications.
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Filing Language: Bulgarian Necessary documents:
- Exterior Design Picture (Six Views)
- A Brief Description
Attachments (if any):
- Power of Attorney
- Certified Priority Document
- Declaration of Ownership/Certification of Employment/Assignment of priority
- Assignment for Patent Right Transfer
- Application fee payment certificate
Bulgarian Patent and Trademark Office
English: Bulgarian Patent Office, abbreviation: BPO
Website: Патентното ведомство на Република България (bpo.bg)
Bulgarian Utility Model Patent Search: BPO Online - portal.bpo.bg