ɹˈeɪnboʊ ˈɑːɹts ˈɔːlsoʊ lˈɛd wˈʌn ʌvðə fˈɜːst lˈɔːsuːts ɪn nˈaɪntiːnhˈʌndɹɪd nˈaɪnti θɹˈiː ɔnðə kwˈɛstʃən wˈɛðɚ kˌɑːmpətˈɪʃən ɛɡzˈɪsts bᵻtwˌiːn ɐ sˈɔftwɛɹ kˈʌmpəni ænd ɐ bˈʊlɪtˌɪn bˈoːɹd sˈɪstəm ʌv sˈɪmɪlɚ nˈeɪm"ɹˈeɪnboʊ bˌiːbˌiːˈɛs"ˈɑːpɚɹˌeɪɾᵻd baɪ ɐ stˈuːdənt, sˌoʊ ðæt klˈeɪmz ˌʌndɚ tɹˈeɪdmɑːɹk lˈɔː ɑːɹ ɛnfˈoːɹsəbəl.
Rainbow Arts also led one of the first lawsuits in 1993 on the question whether competition exists between a software company and a bulletin board system of similar name ("Rainbow BBS") operated by a student, so that claims under trademark law are enforceable.