- Joint video message of Mssrs Battistelli and Kappos on the occasion of the launch of CPC
- EPO and USPTO announce launch of Cooperative Patent Classification system
http://www.epo.org/news-issues/press/releases/archive/2013/20130102.html
http://www.uspto.gov/news/pr/2013/13-01.jsp
- EPO and USPTO publish advance version of CPC scheme and definitions - EPO press release
http://www.epo.org/news-issues/news/2012/20121001.html
- USPTO and EPO Publish Advance Version of Cooperative Patent Classification System Ahead of January Launch
http://www.uspto.gov/news/pr/2012/12-61.jsp
- USPTO and EPO work toward joint classification system:
http://www.epo.org/news-issues/press/releases/archive/2010/20101025.html
- EPO and USPTO reach agreement on principles of Cooperative Patent Classification system:
http://www.uspto.gov/news/pr/2011/11_09.jsp
http://www.epo.org/news-issues/news/2011/20110204.html
- Moving towards a global patent system:
http://www.epo.org/news-issues/issues/classification/classification-ip5.html