Open Access as a programmatic name for a new mode of dissemination of scholarly publications has been around since the turn of this millennium. However, a considerable accumulation of calls for a more rapid transition from journal subscription towards “full” Open Access system can be observed in the recent years. By looking at some of the beginning aspirations of the Open Access movement as well as proposed disruption scenarios this contribution aims at discussing some of less visible aspects in current debates and to give a glimpse at embedding this sort of initiatives in a conceptual framework by making use of the notion of an emerging “knowledge regime”.