Current
						
						
						
							
								Version applicable as from
								1 Oct 2025
								
 Published on:
								17 Jul 2025
							
								
									This is the version currently applicable
								
						 
						
						
							Changes in this version include:
RO: Electronic filing, RO fees
						
						
						
					 
					
					
					
						
						
						
						
						
							
								Version applicable as from
								1 Jan 2025
								
 Published on:
								25 Nov 2024
							
						 
						
						
							Changes in this version include:
RO: RO fees
						
						
						
					 
					
						
					
					
						
						
						
						
						
							
								Version applicable as from
								23 May 2024
								
 Published on:
								1 Oct 2024
							
						 
						
						
							Changes in this version include:
GENERAL INFO: Payment methods
RO: Electronic filing, Incorporation by reference
Summary of requirements for entry into the national phase: National phase, Restoration of the right of priority, Reinstatement of rights
						
						
						
					 
					
					
					
						
						
						
						
						
							
								Version applicable as from
								1 Jan 2024
								
 Published on:
								1 Dec 2023
							
						 
						
						
							Changes in this version include:
RO: RO fees
						
						
						
					 
					
						
					
					
						
						
						
						
						
							
								Version applicable as from
								15 Sep 2023
								
 Published on:
								15 Sep 2023
							
						 
						
						
							Changes in this version include:
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.