https://en.wikipedia.org › wiki › Patent_infringement_under_United_States_law
In the United States, a valid patent provides its proprietor with the right to exclude others from practicing the invention claimed in that patent. A person who practices that invention without the permission of the patent holder infringes that patent.. More specifically, an infringement occurs where the defendant has made, used, sold, offered to sell, or imported an infringing invention or ...