The design does not lose its novelty if it is disclosed by the designer in Japan within 12 months from the filing date/priority date.
- 3-6 months 
- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 30 months from the earliest priority 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. 
- Reinstatement of priority is accepted on grounds of "due care." 
- 20 years, and the validity period of patents for pharmaceutical inventions and pesticide inventions can be extended to 25 years upon application. 
- yes 
- 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).
 
- Grant fee: The applicant needs to pay the granted fee within 30 days after receiving the granted notice, which is the annual fee for the first to third years.
- Annuity: From the 4th year from the date of granted, the annual fee will be paid year by year, and the payment can be postponed within 6 months after the overdue period, but at the same time, 200% of the annual fee of the current year must be paid as a penalty. The amount of the annual fee depends on the number of Claim, and the annual fee can be paid for several years in one lump sum.
 
- 10 years 
- Inventors have a novelty grace period of 12 months after disclosure (including sale). 
