Guide to STN Patent Databases – Basic Version - Paton - TU Ilmenau

Type of publication Printed publication SEARCH DISPLAY
Remarks
(STN format)
Patent applications (from 2000) WO 01/06723 A1
S WO2001006723/PN WO 2001006723 A1 All databases with WO publications
WO 2004/011799 A1 S WO2004011799/PN WO 2004011799 A1
S WO20YYNNNNNN/PN WO 20YYNNNNNN XN
* Chinese publication numbers and patent numbers on the printed patent specification contain a code for the type of intellectual property (1 = Patent for invention, 2 = Utility model, 3 = Design
patent), the STN number format does contain this code.
** Korean publication numbers and patent numbers on the printed patent specification contain a code for the type of intellectual property (10 = Patent, 20 = Utility model, 30 = Design patent),
the STN number format does not contain this code.
*** In the US databases it is possible to search with or without the appended letter for the type of document. If appended the letter is removed by SEARCH EDIT.
N Digit, if necessary leading zeros
n Optional digit; without leading zeros or separators.
(Leading zero stemming from Japanese Emperor year may be
entered and will be deleted by Messenger if appropriate.)
322
X Letter
YYYY Year (may be two digits only before 2000)