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January 1, 2026
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November 13, 2025
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Version applicable as from
September 18, 2025
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September 18, 2025
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January 1, 2025
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November 25, 2024
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Version applicable as from
September 19, 2024
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September 19, 2024
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July 4, 2024
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July 4, 2024
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April 25, 2024
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April 25, 2024
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January 1, 2024
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December 1, 2023
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September 15, 2023
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September 15, 2023
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From now on, you will find here a summary of changes to each new version of the PCT Applicant's Guide, as well as the detailed list of these changes. Moreover, you can now easily access the historical versions of the Guide.
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