GL B IX 1.2 Systematic access systems

All members of the search division have at their disposal computer facilities for searching the search documentation. These allow, amongst other things, the use of the Cooperative Patent Classification (CPC), which is based on the International Patent Classification (IPC) but comprises finer internal subdivisions. Searches can also be performed using other classification systems and/or words.

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EPO Guidelines - B Search

EPO PCT GL - B Search

own subtype: guidelines