IPC Revision Working Group
Meetings by Topic 
International Classifications International Patent Classification (IPC) IPC Revision Working Group
- IPC Union - IPC Revision Working Group : Twenty-Ninth Session (IPC/WG/29)
May 13 to May 17, 2013(Geneva, Switzerland) - IPC Union - IPC Revision Working Group : Twenty-Eighth Session (IPC/WG/28)
October 29 to November 2, 2012(Geneva, Switzerland) - IPC Union - IPC Revision Working Group : Twenty-Seventh Session (IPC/WG/27)
June 4 to June 8, 2012(Geneva, Switzerland) - IPC Union - IPC Revision Working Group : Twenty-Sixth Session (IPC/WG/26)
November 14 to November 18, 2011(Geneva, Switzerland) - IPC Union - IPC Revision Working Group : Twenty-Fifth Session (IPC/WG/25)
May 23 to May 27, 2011(Geneva, Switzerland) - IPC Union - IPC Revision Working Group : Twenty-Fourth Session (IPC/WG/24)
November 8 to November 12, 2010(Geneva, Switzerland) - IPC Union - IPC Revision Working Group : Twenty-Third Session (IPC/WG/23)
May 31 to June 4, 2010(Geneva, Switzerland) - IPC Union - IPC Revision Working Group : Twentysecond Session (IPC/WG/22)
November 30 to December 4, 2009(Geneva, Switzerland) - IPC Union - IPC Revision Working Group : Twenty-First Session (IPC/WG/21)
June 15 to June 19, 2009(Geneva, Switzerland)
Twenty-First Session - IPC Union - IPC Revision Working Group : Twentieth Session (IPC/WG/20)
November 24 to November 28, 2008(Geneva, Switzerland)
[1 - 10 / 29] [Next 10 items]
