Strasbourg Agreement Concerning the International Patent Classification

Treaty	Full text of the Strasbourg Agreement [PDF] Summary Additional information: WIPO Handbook on Intellectual Property [PDF]
Members	Contracting Parties [PDF] Members of the IPC Union Assembly Notifications Statistics
E-Bookshop	Purchase hardcopy of the Agreement International Patent Classification (IPC), Eighth edition - Complete set Purchase IPC:CLASS for Windows (Version 4.0 and 4.1) (International Patent Classification Cumulative and Linguistic Advanced Search System on CD-ROM )
Site	International Patent Classification (IPC)