The quickest way to find a specific patent is to use the Quick Search box, which is on the
left-hand side of every page. Make sure that Patent is selected from the drop-down menu.
For most patents you should search the patent as an 8-digit number. Add leading zeros if your patent number is less than
eight digits. Do not add a country code in front of the number. Omit any publication
designations, such as A, A1 or A2.
However from December 31st 2003 the WIPO changed its patent number format to 10 digits, four for the year and six for the serial.
IDdb has followed suit, so to retrieve a patent record published by the WIPO on or after 31 December 2003, ten digits are required.
Examples:
PCT patent number 98/56379 A1 (published prior to 2004)
Search as: 09856379
PCT patent number 2004/007518 A1 (published from 2004)
Search as: 2004007518
European patent number 0 884 053 A1
Search as: 00884053
United States patent number 5,840,696
Search as: 05840696
Japanese patent number 10298197 A
Search as: 10298197
United Kingdom patent number 2319032 A
Search as: 02319032
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