IPC Revision Working Group
Meetings by Topic 
International Classifications International Patent Classification (IPC) IPC Revision Working Group
- IPC Union - IPC Revision Working Group : Nineteenth Session (IPC/WG/19)
May 26 to May 30, 2008(Geneva, Switzerland) - IPC Union - IPC Revision Working Group : Eighteenth Session (IPC/WG/18)
November 26 to November 30, 2007(Geneva, Switzerland) - IPC Union - IPC Revision Working Group : Seventeenth Session (IPC/WG/17)
June 4 to June 8, 2007(Geneva, Switzerland) - IPC Union - IPC Revision Working Group : Sixteenth Session (IPC/WG/16)
November 27 to December 1, 2006(Geneva, Switzerland) - IPC Union - IPC Revision Working Group : Fifteenth Session (IPC/WG/15)
May 29 to June 2, 2006(Geneva, Switzerland) - IPC Union - IPC Revision Working Group : Fourteenth Session (IPC/WG/14)
November 21 to November 25, 2005(Geneva, Switzerland) - IPC Union - IPC Revision Working Group : Thirteenth Session (IPC/WG/13)
June 13 to June 17, 2005(Geneva, Switzerland) - IPC Union - IPC Revision Working Group : Twelfth Session (IPC/WG/12)
November 29 to December 10, 2004(Geneva, Switzerland) - IPC Union - IPC Revision Working Group : Eleventh Session (IPC/WG/11)
June 14 to June 24, 2004(Geneva, Switzerland) - IPC Union - IPC Revision Working Group : Tenth Session (IPC/WG/10)
November 24 to December 5, 2003(Geneva, Switzerland)
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