The subject matter of this article is the application of case study research in the management sciences. The main goal of considerations is the identification of case study research application possibilities in terms of methodological rigor criteria. The paper is of a theoretical and systemizing nature. The author conducted a critical analysis of the available Polish and international literature. The paper opens with a synthetic characterization of qualitative research with regard to the alternative paradigm. In the second part of the article, the author presents the premises and potential applications of case study research in management studies. A schematic procedure and the main goals of case study research are presented. The last part of the article is dedicated to the issue of methodological rigor in qualitative research.