It is protected for 10 years from the date of application, and can be renewed for 3 times, each time for 5 years, with a maximum protection of 25 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
The BPO conducts formal and substantive examinations of invention patent applications. The BPO will complete the formality examination within 1 month from the filing date, and then the BPO will verify the Certified Priority Document and its related fees, and will conduct a preliminary substantive examination and unity examination of the patent application within 3 months after the end of the preliminary examination. A patent application that has paid the search fee and publication fee is published within 18 months from the filing date/priority date, and the opposition period is 3 months from the publication date. Search reports, written opinions on patentability and third-party opinions will be conveyed to the applicant no later than 6 months after the expiration of the 3-month opposition period. Can be authorized.
- Grant fee: It must be paid together with the granted announcement fee within one month from the receipt of 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.
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The initial protection period is 4 years, which can be extended for two consecutive three years, and the maximum protection period is 10 years.
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)
- Power of Attorney
- Priority certificate and its Bulgarian translation
- Declaration of Ownership/Certification of Employment/Assignment of priority
- Assignment for Patent Right Transfer
- 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
- Declaration of Ownership/Certification of Employment/Assignment of priority
- Power of Attorney
- Assignment for Patent Right Transfer
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
A 12-month novelty grace period is available if:
- The applicant authorizes others to use
- manifest misuse by a third party
1 month
The BPO conducts formality examination of design patent applications.