classification system
Cooperative Patent Classification – a new patent classification system
By Troels Peter Rørdam | Posted on November 2, 2011
Everybody who ever conducted patent litterature searches knows the problems arising from the very different criteria for classifying patents in the respective patent classification systems used in Europe by the EPO, ECLA (European CLAssification), and in the USA by the USPTO, USPC (US Patent Classification. Fortunately the solution is nearby! The EPO and the USPTO have...
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