What is patent infringement? What are the acts of patent infringement?

The patent law of our country stipulates that the act of exploiting a patent without the permission of the patentee belongs to patent infringement. What are the patent infringements? What are the patent infringements of manufacturing, using, promising to sell, selling or importing patented products or using patented methods, and using, promising to sell, selling or importing products directly obtained by patented methods without the permission of the patentee (1); (2) Counterfeiting the patents of others or impersonating patents. That is, against the will of the patentee, for the purpose of deceiving others to obtain high profits, through advertising or other methods, falsely claiming that its non-patented products are products manufactured by patented technology.