The purpose of this study is to present a negotiation case for the acquisition of a land area from the Fulkaxó, indigenous people of Brazil, aiming at establishing a reserved space for families of the Fulkaxó Peoples (Fulniô/Kariri-Xocó/Xocós Ethnicgroups), in properties located in the municipalities of Neópolis and Pacatuba, State of Sergipe, according to the court decision in the case of Public Civil Action n. 0003667-09.2012.4.05.8500, in proceedings before the First Federal Court of the Judicial Section of Sergipe. The negotiation for land acquisition endured for thirteen years, completed on 18 August 2020. The research aims to provide scholars, business managers, and decision-makers with a new perspective on the negotiation process involving indigenous peoples and the Brazilian Federal Government. Case analysis and discussion compile the present work.