duration of patent meaning in Chinese

专利有效期

Whats the duration of patent in china
向什么部门申请专利？
Duration of patent right protection
专利保护期限
If an applicant for a patent for invention has not been granted a patent right within two years from the date of filing , it or he shall pay a fee for the maintenance of the application from the third year . what s the duration of patent in china ? the duration of patent in china is differs from patent for inventions to patent for utility models or designs
也就是说,其他任何单位或个人未经专利权人许可不得进行为生产经营目的的制造使用销售许诺销售和进出口其专利产品,使用其专利方法,或者未经专利权人许可为生产经营目的的制造使用销售许诺销售和进出口依照其方法直接获得的产品。