How long is the PCT period for a Japanese invention patent application?

Submitted by 页之码 on
  • Inventions under the via Paris Convention : 12 months from the earliest priority date.
  • via Nationalization of PCT inventions: 30 months from the earliest priority date.

专利申请流程

    • via Paris Convention : 12 months from earliest priority date.
    • via Nationalization of PCT : 30 months from the earliest priority date.
  • 25 years

  • yes. Multiple designs may be included in one design application.

  • Filing Language: Japanese

    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. Scanned Copy of Certified Priority Document / DAS
    2. Declaration of Ownership/Certification of Employment/Assignment of priority
    3. Assignment for Patent Right Transfer
    4. 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 Japanese national phase 19/28/34/41 amended
    4. Declaration of Ownership/Certification of Employment/Assignment of priority
    5. Assignment for Patent Right Transfer
  • Filing Language: Japanese

    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. Microorganism preservation certificate and its Japanese translation
    3. Microorganism survival certificate and its Japanese translation
    4. Scanned Copy of Certified Priority Document / DAS
    5. Declaration of Ownership/Certification of Employment/Assignment of priority
    6. Assignment for Patent Right Transfer
    7. 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 Japanese national phase 19/28/34/41 amended
    4. Sequence Listing (PDF format and TXT format)
    5. Microorganism preservation certificate and its Japanese translation
    6. Microorganism survival certificate and its Japanese translation
    7. Declaration of Ownership/Certification of Employment/Assignment of priority
    8. Assignment for Patent Right Transfer
  • The JPO conducts formality examination and substantive examination of the design patent application, and the substantive examination starts automatically, and the applicant does not need to submit a separate substantive examination request. JPO mainly examines the novelty and inventiveness of designs.

    • (*Secret design: applicants can request that their design remain secret for 3 years from the filing date).
  • The JPO conducts formality examination and substantive examination of invention patent applications. The applicant should submit a request for substantive examination within 3 years from the filing date. The JPO makes an granted decision if it determines after review that no grounds for refusal have been found.

  • yes.

    • Within the period of 9 years and 6 months from the date of application for the invention patent, or within 3 months from the date of receipt of the notification of rejection, the patent type of the invention patent may be changed from invention to utility model/design upon request
    • A request to change the patent type from invention to utility model/design can be filed within three months from the date of the JPO’s first decision to reject the application

    A conversion fee shall be paid for patent type conversion. Once the original patent application is converted, it will be deemed withdrawn.

  • Reinstatement of priority is accepted on grounds of "due care."

  • 1-2 years