20 years, and the validity period of patents for pharmaceutical inventions and pesticide inventions can be extended to 25 years upon application.
3-6 months
Filing Language: Japanese
via Paris Convention via Nationalization of PCT Necessary documents:
- Abstract
 - Abstract Drawing
 - Claim
 - Specification
 - Drawing
 
Necessary documents:
- Abstract
 - Abstract Drawing
 - Claim
 - Specification
 - Drawing
 
Attachments (if any)
- Scanned Copy of Certified Priority Document / DAS
 - Declaration of Ownership/Certification of Employment/Assignment of priority
 - Assignment for Patent Right Transfer
 - Notification issued by CNIPA notify the applicant the application has passed through the security review
 
Attachments (if any)
- WIPO Publication
 - ISR/IPRP
 - Entering the Japanese national phase 19/28/34/41 amended
 - Declaration of Ownership/Certification of Employment/Assignment of priority
 - Assignment for Patent Right Transfer
 
Japan Patent Office
English: Japan Patent Office, abbreviation: JPO
Website: Japan Patent Office (jpo.go.jp)
Japanese Invention Patent Search: Japan Platform for Patent Information|J-PlatPat [JPP] (inpit.go.jp)
- via Paris Convention : 12 months from earliest priority date.
 - via Nationalization of PCT : 30 months from the earliest priority date.
 
10 years
Inventors have a novelty grace period of 12 months after disclosure (including sale).
- Grant fee: The applicant should pay the granted fee and the annual fee for the first year within 30 days after receiving the granted notice.
 - Annuity: The annual fee shall be paid year by year from the second year from the date of granted, and the payment of the annual fee may be postponed within 6 months if the annual fee is overdue, but a 200% penalty shall be paid at the same time.
 
Filing Language: Japanese
via Paris Convention via Nationalization of PCT Necessary documents:
- Abstract
 - Abstract Drawing
 - Claim
 - Specification
 - Drawing
 
Necessary documents:
- Abstract
 - Abstract Drawing
 - Claim
 - Specification
 - Drawing
 
Attachments (if any)
- Sequence Listing (PDF format and TXT format)
 - Microorganism preservation certificate and its Japanese translation
 - Microorganism survival certificate and its Japanese translation
 - Scanned Copy of Certified Priority Document / DAS
 - Declaration of Ownership/Certification of Employment/Assignment of priority
 - Assignment for Patent Right Transfer
 - Notification issued by CNIPA notify the applicant the application has passed through the security review
 
Attachments (if any)
- WIPO Publication
 - ISR/IPRP
 - Entering the Japanese national phase 19/28/34/41 amended
 - Sequence Listing (PDF format and TXT format)
 - Microorganism preservation certificate and its Japanese translation
 - Microorganism survival certificate and its Japanese translation
 - Declaration of Ownership/Certification of Employment/Assignment of priority
 - Assignment for Patent Right Transfer
 
1-2 years
The JPO conducts formality examination only for utility model patent applications.