Merriam-Webster Collegiate Dictionary - infringe

 verb  (~d; infringing)  Etymology: Medieval Latin ~re, from Latin, to break, crush, from in- + frangere to break — more at break  Date: 1513  transitive verb  1. to encroach upon in a way that violates law or the rights of another ~ a patent  2. obsolete defeat, frustrate  intransitive verb encroach — used with on or upon ~ on our rights  Synonyms: see trespass  • ~r noun