World Intellectual Property Organization

Amendments to the PCT Regulations Archive

  • January 1, 2013 [PPT]
  • July 1, 2012 [PPT]
  • July 1, 2011 [PPT]
  • July 1, 2010 [PPT]
  • July 1, 2009 and other practice changes [PPT]
  • PCT Supplementary International Search Service (January 1, 2009) [PPT]
  • January 1, 2009 [PPT]
  • July 1, 2008 [PPT]
  • April 1, 2007 [PPT] [Video]
  • April 1, 2006 [PPT] [Video]
  • April 1, 2005 [PPT]
  • January 1, 2004 [PPT] [Video]

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