Focus on the pronunciation of infringe on/upon sth
English definition of “infringe on/upon sth”
infringe on/upon sth — Phrasal Verb with infringe
/ɪnˈfrɪndʒ/ verb [T] formal LAW
› to take away or limit the rights or freedom of someone: Human Rights Watch asserted that the company's aggressive efforts to keep out labor unions infringed on its workers' rights. The standards for determining whether a patent has been willfully infringed upon have become stricter.