Digital transformation (DX) was introduced by the fourth Industrial Revolution. During the first decades of the new millennium DX provoked diffusion of digitalization of public procurement; that could contribute to achievement of enhanced efficiency, accountability, transparency, and participation of small and medium enterprises in tenders. Later the European Commission has emphasized the role of public procurement of innovation as a policy instrument to sustain smart and inclusive development, improve social welfare, provoke growth both of entrepreneurship and national competitive advantage. Despite the benefits provided by e-procurement, more than 60% of EU procurement procedures in 2017 used the lowest price as the only award criterion, excluding both innovation element and fair competition between suppliers. Thereby the existing system is lacking to compile with the tenets of public procurement policies. It was defined that effectiveness of e-procurement does not compile with efficiency of public procurement procedure; there exist barriers of purchasing innovation through e-procurement. The study proved, public bodies lack of comprehensive approach of selection the awarding innovation proposal. This paper presents a research based model of a tender exhaustive award criteria to be adopted in the e-procurement system.