This paper aims to identify and analyze the main limiting factors of innovation performance in terms of product and process innovation. The limiting factors to innovation make the innovation process of a firm difficult, which influences its innovation performance. The goal of this essay is to develop a theoretical support based on current reference approaches, corroborated by empirical support, which allows for the identification and analysis of the factors that restrict innovation activity and innovation performance. The database is extracted from the Community Innovation Survey - CIS 2010, which was conducted under the responsibility of the Office of Planning, Strategy, Evaluation and International Relations/Ministry of Science, Technology and Higher Education (GPEARI/MCTES), in collaboration with the National Statistics Institute (INE), under the supervision of EUROSTAT. We have devel...