Japanese patent type? Japanese patents include invention patents, utility models and designs. Invention patents and appearances need substantive examination, while new patents only need formal examination.

The duration of patent protection? The validity period (protection period) of Japanese invention patents is 20 years from the date of application, and medical patents can be extended to 25 years; The utility model starts from the date of filing 10 year; The design is 25 years from the date of application (the newly revised Patent Law of June 65438+1 October12020 extended the period of appearance protection).

Patent maintenance obligation? After the patent is granted, the applicant needs to pay an annual fee to the Japanese Patent Office (Japan Patent Office).