Design often plays a role after the patenting activity, as a product needs to be re-designed for mass production.
dɪzˈaɪn ˈɔfən plˈeɪz ɐ ɹˈoʊl ˈæftɚ ðə pˈæʔn̩ɾɪŋ æktˈɪvᵻɾi, æz ɐ pɹˈɑːdʌkt nˈiːdz təbi ɹˌiːdɪzˈaɪnd fɔːɹ mˈæs pɹədˈʌkʃən.