According to the USPTO,"The Common Citation Document (CCD) application aims to provide single point access to up-to-date citation data relating to the patent applications of the IP5 Offices.
TEXT TUTORIAL
It consolidates the prior art cited by all participating offices for the family members of a patent application, thus enabling the search results for the same invention produced by several offices to be visualized on a single page."
Accessing citation data
Click the fiveIPOffices-CCD button to enter the CCD Site.
It takes only a few quick steps to access and assess prior art on a family level.
Input the number(Patent or Publication Number) and lookup common citation data .
ipMAGNET and CCD Interface
By integrating the CCD Site in ipMAGNET interface, we can
  EXPORT To EXCEL All the Citations and the Classifications results from the CCD Document can be imported into an EXCEL Spread Sheet.
  EXPORT To WORD
All available Biblio, Description and Claims Pages can be saved and imported as Word Document with a Single Click
Click the Biblio Tab to activate the WORD to start importing.
Get PDF Document
Clicking the Original document Tab will open the First Page of the Document and enables
Now you can either Download the Document either in FULL or sections with a Single Click.
Compatible input (patent document) numbers
Input number
CCD compatible formats
Publication number (country code)
WO2011018055 - WO 2011 018055
Publication number (no country code)
2011,018,055 - 2011018055
Publication number (kind code)
EP1002935 A1 - EP1002935A1
Priority document (international)
WO2007JP3287 - WO,2007,JP,73287
Priority document (national)
JP20070041489 - JP 2007 004 1489
Application number (international);
PCT/US2005/035078
Application number (national);
09/667,353
If you have never used the CCD Site, Click from the CCD Screen.