An ba da shawarar kafa Patani na ɗan lokaci tsakanin 1350 zuwa 1450, kodayake tarihinsa kafin 1500 ba a bayyana ba.^[74] A cewar Sejarah Melayu, Chau Sri Wangsa, dan sarki Siamese, ya kafa Patani ta hanyar cin nasara da Kota Mahligai.Ya musulunta ya kuma dauki sunan Sri Sultan Ahmad Shah a karshen karni na 15 zuwa farkon karni na 16.^[75] Hikayat Merong Mahawangsa da Hikayat Patani sun tabbatar da manufar zumunta tsakanin Ayutthaya, Kedah, da Pattani, inda suka bayyana cewa sun fito ne daga daular farko.Wataƙila Patani ya musulunta wani lokaci a tsakiyar ƙarni na 15, wata majiya ta ba da kwanan wata 1470, amma an ba da shawarar kwanakin farko.^{[74 <>]} Wani labari ya ba da labarin wani shehi mai suna Sa'id ko Shafi'uddin daga Kampong Pasai (wataƙila ƴan kasuwa ne daga Pasai waɗanda ke zaune a wajen birnin Patani) sun warkar da sarkin wata cuta mai wuyar fata.Bayan tattaunawa mai yawa (da sake bullowa cutar), sarkin ya amince ya musulunta, inda ya karvi sunan Sultan Ismail Shah.Haka kuma dukkan jami’an sarkin sun amince su tuba.Duk da haka, akwai ɓangarorin shaida cewa wasu mutanen yankin sun fara musulunta kafin wannan.Kasancewar al'ummar Pasai 'yan kasashen waje kusa da Patani ya nuna cewa mazauna yankin suna hulda da Musulmai akai-akai.Har ila yau, akwai rahotannin balaguro, irin na Ibn Battuta, da kuma na farkon asusun Portuguese da suka yi iƙirarin cewa Patani yana da kafaffen al'ummar musulmi tun kafin Melaka (wanda ya tuba a karni na 15), wanda zai nuna cewa 'yan kasuwa da suka yi hulɗa da sauran cibiyoyin Musulmai masu tasowa. sune farkon wadanda suka koma yankin.Patani ya zama mafi mahimmanci bayan da Portuguese suka kama Malacca a 1511 yayin da 'yan kasuwa musulmi suka nemi madadin tashar jiragen ruwa.Wata majiyar Holland ta nuna cewa yawancin 'yan kasuwan Sinawa ne, amma 'yan kasuwan Portugal 300 su ma 'yan kasuwan Portugal sun zauna a Patani a shekarun 1540.^[74]