infringe on

infringe (up)on something

to interfere with the rights of someone or with someone's property rights; to encroach on something. (Upon is formal and less commonly used than on.) You are infringing upon my right to free speech. lam not infringing on your property. I'm in my own yard.
See also: on
References in periodicals archive ?
It may not be known, but it is possible to infringe on a patent that did not exist when the product was first manufactured.
Peter Michaels, President of Hop-on, considers this a major victory for those who actually design these products, and not simply infringe on smaller companies' ideas.