Legal subjectivity:
The "Patent Law" only stipulates the term of the patent right and does not stipulate the renewal issue when it expires. Therefore, the patent right cannot apply for renewal when the term expires. The patent entered the public domain. According to relevant legal provisions, the term of design patent rights is fifteen years, the term of utility model patent rights is ten years, and the term of invention patent rights is twenty years. Legal objectivity:
Article 42 of the Patent Law stipulates that the term of invention patent rights is twenty years, the term of utility model patent rights is ten years, and the term of design patent rights is fifteen years. , are calculated from the date of application.