infringein·fringe /ɪnˈfrɪndʒ/ (also infringe on) verb [transitiveT] to do something that is against a law or someone’s legal rightsThere was no evidence that Apple’s work was infringing Xerox copyrights.
We’ll be watching closely to see whether they infringe on our patents.
—infringement noun [countableC, uncountableU]The company doesn’t believe its promotional material is a trademark infringement.