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Version applicable as from
January 1, 2026
Published on:
November 13, 2025
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Version applicable as from
September 25, 2025
Published on:
September 25, 2025
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GENERAL INFO: Contact details
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January 1, 2025
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November 25, 2024
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Version applicable as from
November 1, 2024
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October 31, 2024
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Version applicable as from
April 11, 2024
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April 11, 2024
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GENERAL INFO: Payment methods
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Summary of requirements for entry into the national phase: National phase, Restoration of the right of priority, Reinstatement of rights
Version applicable as from
March 1, 2024
Published on:
March 1, 2024
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Summary of requirements for entry into the national phase: National fees
Annexes: Various
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January 1, 2024
Published on:
December 1, 2023
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Version applicable as from
September 15, 2023
Published on:
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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