Common Citation Document (CCD) Application is web based patent information tool developed by trilateral offices (USPTO, EPO & JPO) to provide single point access to citation data for their examined patent applications. It consolidates the prior cited by all three participating offices. References/Prior art cited by all three office to be visualized in single page.
CCD application uses EPO’s global patent family database system and is hosted by EPO. The “citation only view” provides aggregation of patent application No. with their filing date, below that patent/non patent prior art cited by offices (USPTO, EPO, JPO & WIPO ISA) is given. and the other option “Time line view” shows in interactive way. The double inspector window shows two documents parallel.