infringement
Patent
when another party makes, uses, sells, offers for sale, or imports a patented invention without the permission of the patent owner. Infringement can occur with or without the accused's knowledge of the patent.
The practice of a claimed invention without a license to do so.
Someone who makes, uses, sells, places on sale, or imports into the United States a claimed invention is guilty of infringement. There can be direct or literal infringement, infringement under the doctrine of equivalents, contributory infringement, and active inducement to infringe.
Using the invention described in a claim of a valid patent without license or consent of the owner of the patent rights.