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								Version applicable as from
								30 Oct 2025
								
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								30 Oct 2025
							
								
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								Version applicable as from
								10 Oct 2024
								
 Published on:
								5 Nov 2024
							
						 
						
						
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								Version applicable as from
								11 Apr 2024
								
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								28 Jun 2024
							
						 
						
						
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								Version applicable as from
								15 Sep 2023
								
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								15 Sep 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.
GENERAL INFO: Contact details, RO Competency, DO/EO Competency, PCT Types of protection, Provisional protection after international publication