How many years is the protection period of Bulgarian invention patent application

Submitted by 页之码 on

20 years

专利申请流程

BG Bulgaria

  • Features of the Bulgarian invention patent application process

    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.

  • How long is the PCT period for Bulgarian invention patent application

    • via Paris Convention : 12 months from earliest priority date.
    • via Nationalization of PCT : 31 months from earliest priority date.
    • Validation of European Patent in EPO member states: 3 months from the date of European patent grant

  • Which is the competent authority for utility model applications in Bulgaria?

    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

  • How long is the protection period of industrial design in Bulgaria?

    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.

  • What are the requirements for the Bulgarian invention patent application documents

    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

  • Is a Bulgarian invention patent application eligible for DAS

    no

  • Novelty grace period for utility model applications in Bulgaria

    A 12-month novelty grace period is available if:

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

  • Whether the Bulgarian invention patent application can be type-converted

    yes. For an invention with the same subject matter, the applicant may file a patent type conversion request within 2 months from the date of receiving the patent application decision, but no later than 10 years from the application date, and change the patent type from invention to utility model .

  • Can the priority right of utility model application be restored in Bulgaria?

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

  • What are the requirements for the utility model application documents in Bulgaria?

    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