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.
Inventors have a novelty grace period of 12 months after disclosure (including sale).
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.
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)
3-6 months
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)
5-7 months
yes
Reinstatement of priority is accepted on grounds of "due care."
The JPO conducts formality examination only for utility model patent applications.
yes