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

  • yes.

    • Within 3 years from the filing date, the patent type can be changed from utility model to invention upon request of the applicant
    • Utility model patents can be converted to design patents at any time

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 Once the original patent application is converted, it will be deemed withdrawn.

  • yes

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

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

  • Inventors have a novelty grace period of 12 months after disclosure (including sale).

  • The JPO conducts formality examination only for utility model patent applications.

  • yes. Within 3 years from the date of application, or within 3 months from the date of receipt of the rejection decision, the patent type can be changed from design to invention/utility model at the request of the applicant.

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 Once the original patent application is converted, it will be deemed withdrawn.