Go to MPEP - Table of Contents
§ 404 International Publication Number of International Application - Appendix AI Administrative Instructions Under the PCT
§ 404 International Publication Number of International Application
The International Bureau shall assign to each published international application an international publication number which shall be different from the international application number. The international publication number shall be used on the published international application and in the Gazette entry. It shall consist of the two-letter code "WO" followed by a four-digit indication of the year of publication, a slant, and a serial number consisting of six digits (e.g., "WO 2004/123456").
Go to MPEP - Table of Contents