Comprehensive patent data of the German Democratic Republic 1949-1990 : technical report and dataset overview

Ann Hipp (University of Bremen, Germany), Michael Fritsch (Friedrich Schiller University, Jena, Germany), Maria Greve (University of Groningen, Faculty of Economics and Business, Department of Innovation Management & Strategy, and Friedrich Schiller University, Jena, Germany), Jutta Günther (University of Bremen, Germany), Marcel Lange (University of Bremen, Germany), Christian Liutik (Friedrich Schiller University, Jena, Germany), Beate Pfeifer (Friedrich Schiller University, Jena, Germany), Maria Shkolnykova (University of Bremen, Germany), Michael Wyrwich (University of Groningen, Faculty of Economics and Business, Faculty of Economics and Business, Department of Innovation Management & Strategy, and Friedrich Schiller University, Jena, Germany)