Given dates (all in the Common Era) are approximate and represent the upper and lower possible extremes of the person's lifetime.
Also called Śānti (tib. Śānti-pa). Teacher of: Atiśa (982–1055), 'Brog mi (933–1074). Life dates: ca. 970–1030 (Ratnākaraśānti is a contemporary of Jñānaśrīmitra, who quotes him (cf. Kajiyama 1966., pp. 7f., 157f.); his innovations in the field of logic are not considered by Ratnakīrti, as the latter confines himself to explaining Jñānaśrīmitra). On the relationship to Jñānaśrīmitra and Ratnakīrti cf. Mimaki 1992.
Consider Gregory Seton’s dissertation, chapter 2, for arguments on the dates of Ratnākaraśānti as 970--1045. (“Defining wisdom: Ratnākaraśānti’s Sāratamā”, University of Oxford, 2015)