| Filing Language: Japanese |
Necessary documents:
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Attachments (if any):
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3-6 months
The JPO conducts formality examination only for utility model patent applications.
10 years
20 years, and the validity period of patents for pharmaceutical inventions and pesticide inventions can be extended to 25 years upon application.
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.
Japan Patent Office
English: Japan Patent Office, abbreviation: JPO
Website: Japan Patent Office (jpo.go.jp)
Japanese Utility Model Patent Search: Japan Platform for Patent Information｜J-PlatPat [JPP] (inpit.go.jp)
Filing Language: Japanese Necessary documents:
- Exterior Design Picture (Six Views)
- A Brief Description
Attachments (if any):
- Scanned Copy of Certified Priority Document / DAS
- Declaration of Ownership/Certification of Employment/Assignment of priority
- Assignment for Patent Right Transfer
Reinstatement of priority is accepted on grounds of "due care."
1-2 years
- via Paris Convention : 6 months from earliest priority date.
- Hague Agreement route: 6 months from earliest priority date.