Acts that are not regarded as infringement of patent rights include:
① The patented product or the product directly obtained by the patented method is sold by the patentee or a unit or individual licensed by him, and then used, promised to sell or imported the product;
② Those who have manufactured the same product, used the same method or made necessary preparations for manufacture and use before the patent application date, and continue to manufacture and use only within the original scope;
(3) foreign means of transport temporarily passing through China's territorial land, waters and airspace use relevant patents in their devices and equipment for their own needs, in accordance with the agreement signed between the country to which they belong 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 related patents exclusively for scientific research and experiments, that is, to use related patents in a demonstrative way or to examine and verify the technical effect of related patents in order to explore new inventions and creations on the basis of existing patented technologies under laboratory conditions;
⑤ those who manufacture, use or import patented drugs or patented medical devices, or those who manufacture or import patented drugs or patented medical devices exclusively for them, in order to provide information needed for administrative examination and approval.