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).