Which is the competent authority for patent applications for inventions in Bulgaria

Submitted by 页之码 on

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

专利申请流程

    • 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.
  • A 12-month novelty grace period is available if:

    • The applicant authorizes others to use
    • manifest misuse by a third party
  • 1 month

  • Filing Language: Bulgarian

    via Paris Convention via Nationalization of PCT

    Necessary documents:

    1. Abstract
    2. Abstract Drawing
    3. Claim
    4. Specification
    5. Drawing

    Necessary documents:

    1. Abstract
    2. Abstract Drawing
    3. Claim
    4. Specification
    5. Drawing

    Attachments (if any)

    1. Power of Attorney
    2. Priority certificate and its Bulgarian translation
    3. Declaration of Ownership/Certification of Employment/Assignment of priority
    4. Assignment for Patent Right Transfer
    5. Notification issued by CNIPA notify the applicant the application has passed through the security review

    Attachments (if any)

    1. WIPO Publication
    2. ISR/IPRP
    3. Entering the national phase of Bulgaria State 19/28/34/41 amended
    4. Declaration of Ownership/Certification of Employment/Assignment of priority
    5. Power of Attorney
    6. Assignment for Patent Right Transfer
  • 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.

  • no

  • 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.

  • Reinstatement of priority on grounds of "due care" and "unintentional/due care" accepted.

  • Filing Language: Bulgarian

    via Paris Convention via Nationalization of PCT

    Necessary documents:

    1. Abstract
    2. Abstract Drawing
    3. Claim
    4. Specification
    5. Drawing

    Necessary documents:

    1. Abstract
    2. Abstract Drawing
    3. Claim
    4. Specification
    5. Drawing

    Attachments (if any)

    1. Sequence Listing (PDF format and TXT format)
    2. Certificate of Deposit of Microorganisms and its Bulgarian translation
    3. Certificate of Microbial Survival and its Bulgarian translation
    4. Power of Attorney
    5. Priority certificate and its Bulgarian translation
    6. Declaration of Ownership/Certification of Employment/Assignment of priority
    7. Assignment for Patent Right Transfer
    8. Application fee payment proof document
    9. Notification issued by CNIPA notify the applicant the application has passed through the security review

    Attachments (if any)

    1. WIPO Publication
    2. ISR/IPRP
    3. Entering the national phase of Bulgaria State 19/28/34/41 amended
    4. Sequence Listing (PDF format and TXT format)
    5. Certificate of Deposit of Microorganisms and its Bulgarian translation
    6. Certificate of Microbial Survival and its Bulgarian translation
    7. Declaration of Ownership/Certification of Employment/Assignment of priority
    8. Power of Attorney
    9. Assignment for Patent Right Transfer
    10. Application fee payment proof document