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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