What is the duration of patent protection? How many years is the patent protection period?

Patent protection clause is the legal provision for patent protection. Patents cannot be considered supreme because of superior conditions. The value of a patent needs to be combined with the current patent market. So what is the duration of patent protection? How many years is the patent protection period? The term of patent protection is 20 years. The term of patent protection means that the term of invention patent right is 20 years, and the term of utility model patent right and design patent right is 10 years, both of which are counted from the date of application. The reason why the law stipulates the term of patent protection is to balance the interests between the patentee and the public. The purpose of patent law is to promote social civilization and technological progress, and the protection of inventions is only a means to promote technological progress. The term of invention patent right is 20 years, and the term of utility model patent right and design patent right is 10 years, counting from the date of application. The reason why the law stipulates the term of patent protection is to balance the interests between the patentee and the public. The purpose of patent law is to promote social civilization and technological progress, and the protection of inventions is only a means to promote technological progress. The purpose of patent law is to promote social civilization and technological progress, and the protection of inventions is only a means to promote technological progress. In order to give full play to the practical value of technology, more people should be encouraged to master and use advanced technology and create new technical solutions on the basis of existing technology research. The duration of patent protection is related to the type of patent application. The term of invention patent is different from that of appearance patent and utility model patent, and the term of invention patent is five years longer than the other two patents.