Field Name: CPC Code
Definition: CPC Code is the code assigned to a patent per the Cooperative Patent Classification System. The Cooperative Classification System is a joint effort of the European Patent Office (EPO) and the U.S. Patent and Trademark Office (USPTO) to develop a common, internationally compatible classification system for technical documents, in particular patent publications.
A patent may have multiple CPC Code values. The CPC code values can be found on a patent document in a section labeled Field of Classification Search.
Tooltip definition of the predicate: Cooperative Patent Classification (CPC) code.
Type of value (one of the following): entity
Number of accepted values (one of the following): multiple
Constraints: Only applies when Subject has the “Is a” value “Patent”
Citation Required?: Yes.
Examples of proper use:
- ‘US Patent 11288088 Service control plane messaging in service data plane’ ‘CPC Code’ is ‘H04L 45/38’ - Citation: Patent Public Search | USPTO
Examples of improper use:
- ‘US Patent 11288088 Service control plane messaging in service data plane’ ‘CPC Code’ is ‘11288088’ is incorrect as it refers to the patent number, not the CPC Code. Patent Public Search | USPTO
Usage in other schemas: n/a