Acts that are not regarded as patent infringement include:
(1) The patented product or the product directly obtained according to the patented method is used, promised to be sold or imported by the patentee or a unit or individual licensed by the patentee;
(2) Having manufactured the same product, used the same method or made necessary preparations for its manufacture and use before the patent application date, and continuing to manufacture and use it only within the original scope;
(3) Foreign means of transport passing through the territory, territorial sea and airspace of China temporarily use the relevant patents in their devices and equipment for their own needs in accordance with the agreement signed between their countries and China or the international treaties to which * * * is a party, or in accordance with the principle of reciprocity;
(4) It is not an infringement to use the relevant patent exclusively for scientific research and experiments, that is, to use the relevant patented technology in a demonstration way under laboratory conditions or to test the technical effect of the relevant patent in order to explore new inventions on the basis of the existing patented technology;
(5) manufacturing, using or importing patented drugs or patented medical devices for the purpose of providing information required for administrative examination and approval, or manufacturing or importing patented drugs or patented medical devices exclusively for them.