Which is the competent authority for Japanese invention patent applications?

yes

3-6 months

5-7 months

yes

• 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.

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 Once the original patent application is converted, it will be deemed withdrawn.

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

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

25 years

1-2 years