Reports
File 'Patentamt - Oppositions' 1899 - 1901 contains among others: Notifications of the Imperial Patent Office to Philipp Greve-Stirnberg concerning applications for the registered trademark 1301 by the 'Neu-Guinea-Compagnie' and 'Embleme de Lion Cognac', letter of opposition to the Appeals Department 1 of the Imperial Patent Office, correspondence with the Imperial Patent Office Department for Trademarks.