Amendments to the PCT Regulations (since April 1, 2002)

  • July 1, 2024 [PPT]  ​​​​​​
  • July 1, 2022 [PPT]  ​​​​​​
  • July 1, 2020 [PPT] ​​​​​​
  • July 1, 2019 [PPT]
  • July 1, 2018 [PPT]
  • July 1, 2017 [PPT]
  • July 1, 2016 [PPT]
  • July 1, 2015 [PPT] ​​​​​​​
  • July 1, 2014 [PPT]
  • 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 FAQs  [PPT]
  • April 1, 2006 [PPT]  
  • April 1, 2005 [PPT]
  • January 1, 2004 [PPT] ​​​​​​​
  • January 1, 2003: Rule 49.6: Reinstatement of Rights
  • April 1, 2002: Article 22(1): Effects of modification of this time limit

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