EN
Since the intensive computer automation of operational and administrative pro-cesses there has been increase in demand for knowledge intensive work. Knowledge workers have significant impact on companies they work in but the processes they use in their work are not well supported by technology. Case management with its data centric and artefact based approach to business process management is emerg-ing as a way to provide knowledge workers with flexibility they need in planning and executing their tasks. In January 2013 Object Management Group released spec-ification of Case Management Model and Notation (CMMN). Aim of this paper is to present CMMN basic concepts and provide some insights in ways how CMMN can be used to support knowledge workers and their effectiveness and efficiency.