How can I access and search the CPC database?

The CPC database can be accessed and searched through various tools provided by the USPTO and EPO. According to MPEP 905.03(a), “The CPC schemes and definitions are available online from the USPTO’s website at https://www.uspto.gov/web/patents/classification/cpc/html/cpc.html.” To search the CPC database effectively: Use the USPTO’s CPC search tool or the EPO’s Espacenet database Familiarize yourself with…

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What is the CPC database and how does it handle patent family information?

The CPC (Cooperative Patent Classification) database is a system that maintains technical information about patent family documents. According to MPEP 905.03(a): “The CPC database maintains technical information regarding the patent family documents for each patent document included.” In this database, CPC symbols are associated with patent families rather than individual documents. This means that when…

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