4-6 months
- 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.
The initial protection period is 4 years, which can be extended for two consecutive three years, and the maximum protection period is 10 years.
20 years
4-6 months
Filing Language: Bulgarian
via Paris Convention via Nationalization of PCT Necessary documents:
- Abstract
- Abstract Drawing
- Claim
- Specification
- Drawing
Necessary documents:
- Abstract
- Abstract Drawing
- Claim
- Specification
- Drawing
Attachments (if any)
- Sequence Listing (PDF format and TXT format)
- Certificate of Deposit of Microorganisms and its Bulgarian translation
- Certificate of Microbial Survival and its Bulgarian translation
- Power of Attorney
- Priority certificate and its Bulgarian translation
- Declaration of Ownership/Certification of Employment/Assignment of priority
- Assignment for Patent Right Transfer
- Application fee payment proof document
- Notification issued by CNIPA notify the applicant the application has passed through the security review
Attachments (if any)
- WIPO Publication
- ISR/IPRP
- Entering the national phase of Bulgaria State 19/28/34/41 amended
- Sequence Listing (PDF format and TXT format)
- Certificate of Deposit of Microorganisms and its Bulgarian translation
- Certificate of Microbial Survival and its Bulgarian translation
- Declaration of Ownership/Certification of Employment/Assignment of priority
- Power of Attorney
- Assignment for Patent Right Transfer
- Application fee payment proof document
2-5 years
Reinstatement of priority on grounds of "due care" and "unintentional/due care" accepted.
Reinstatement of priority on grounds of "due care" and "unintentional/due care" accepted.
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
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