Os desafios suscitados ao direito da concorrência da União Europeia pelas grandes empresas tecnológicas, em especial os casos da Apple e da Amazon

This article consists of two parts. Part I analyzes the investigationof the European Commission of July 17, 2019, regarding Amazon. The functionsof Amazon’s Buy Box are presented and the possibility that Amazon’s use of theBuy Box constitutes an abuse of a dominant position by the mentioned companyis highlighted. After concluding that Amazon’s prioritization of its products andservices over competitors constitutes an auto-preferencing situation, we brieflyaddress this type of business behavior and Amazon’s abuse of dominant positionin adopting this practice.The second part highlights the facts and conclusions contained in the statement ofobjections and the European Commission sent to Apple in 2021. Two situations areconsidered of concern from the perspective of Competition Law. We present andagree with the thesis defended by Geradin and Katsifis (2020) who maintain thatsome practices adopted by Apple in relation to its app store are covered by article102 of the Treaty on the Functioning of the European Union.