Infringement, n.
1. The act of infringing; breach; violation; nonfulfillment; as, the infringement of a treaty, compact, law, or constitution. The punishing of this infringement is proper to that jurisdiction against which the contempt is. Clarendon.
2. An encroachment on a patent, copyright, or other special privilege; a trespass.
Shades of meaning
Fernald has no entry of its own for infringement; he lists it under attack.
He lists it without comment; the entries above explain its neighbors.