PCT Forms


PCT Treaty, Regulations and Administrative Instructions

- Patent Cooperation Treaty(PCT)

- PCT regulations(as of 20150701)

- PCT Administrative Instructions(as of 20150701)



▶ Forms Relating to the International Searching Authority(ISA)

Number Title
PCT/ISA/201   International-Type Search Report 
PCT/ISA/202   Notification of Receipt of Search Copy 
PCT/ISA/203   Declaration of Non-Establishment of International Search Report 
PCT/ISA/205   Notification of Modification of Abstract Approved by International Searching Authority 
PCT/ISA/206   Invitation to Pay Additional Fees and, Where Applicable, Protest Fee 
PCT/ISA/207   Informal Clarification:  Note/Invitation 
PCT/ISA/209   Notification of Facts Which Should Have Precluded the According of an International Filing Date 
PCT/ISA/210   International Search Report 
PCT/ISA/211   Notification of Transmittal of Requested Copies of Cited Documents 
PCT/ISA/212   Notification of Decision on Protest or Declaration That Protest Considered Not to Have Been Made 
PCT/ISA/213   Notification of Refund of Search Fee 
PCT/ISA/214   Request for Information as to Right to Practice 
PCT/ISA/216   Invitation to Request Rectification 
PCT/ISA/217   Notification of Decision Concerning Request for Rectification 
PCT/ISA/218   Notification Concerning Expressions, etc., Not to Be Used in the International Application 
PCT/ISA/219   Notification Concerning Documents Transmitted 
PCT/ISA/220   Notification of Transmittal of the International Search Report and the Written Opinion of the International Searching Authority, or the Declaration 
PCT/ISA/221   Invitation to Pay for Requested Copies of Cited Documents 
PCT/ISA/223   Notification of Defects with Regard to Correspondence Submitted by the Applicant 
PCT/ISA/224   Communication in Cases for Which No Other Form Is Applicable 
PCT/ISA/225   Invitation to Furnish Nucleotide and/or Amino Acid Sequence Listing and to Pay, Where Applicable, Late Furnishing Fee 
PCT/ISA/229   Notification Regarding Attempted Transmission of Documents via Telegraph, Teleprinter, Facsimile Machine, etc. 
PCT/ISA/230   Invitation to Furnish Original of Document Transmitted by Telegraph, Teleprinter, Facsimile Machine, etc. 
PCT/ISA/231   Notification Regarding Receipt of Documents via Telegraph, Teleprinter, Facsimile Machine, etc. 
PCT/ISA/232   Notification Concerning Paper Being Disregarded or Document Considered as Not Having Been Submitted 
PCT/ISA/233   Invitation Relating to Free Text in Main Part of Description 
PCT/ISA/234   Notification of Transmittal of Demand to the International Bureau or to the Competent International Preliminary Examining Authority 
PCT/ISA/235   Invitation to Indicate Competent International Preliminary Examining Authority 
PCT/ISA/236   Notification that Demand Considered Not to Have Been Submitted 
PCT/ISA/237   Written Opinion of the International Searching Authority 
PCT/ISA/238   Invitation to Furnish Documents in Connection with Earlier Search 



▶ Forms Relating to the International Preliminary Examining Authority(IPEA)


Number Title
PCT/IPEA/401  Demand
(Additional Continuation Sheets for 6 or More Applicants and/or Inventors Editable PDF) 
PCT/IPEA/402  Notification of Receipt of Demand by Competent International Preliminary Examining Authority 
PCT/IPEA/403  Notification Concerning Payment of the Preliminary Examination and Handling Fees 
PCT/IPEA/404  Invitation to Correct Defects in the Demand 
PCT/IPEA/405  Invitation to Restrict or Pay Additional Fees, and, Where Applicable, Protest Fee 
PCT/IPEA/407  Notification that Demand Considered Not to Have Been Submitted 
PCT/IPEA/408  Written Opinion of the International Preliminary Examining Authority 
PCT/IPEA/409  International Preliminary Report on Patentability (Chapter II of the Patent Cooperation Treaty) 
PCT/IPEA/410  Request for Information as to Right to Practice 
PCT/IPEA/411  Invitation to Request Rectification 
PCT/IPEA/412  Notification of Decision Concerning Request for Rectification 
PCT/IPEA/413  Notification of Transmittal of Requested Copies of Documents in File 
PCT/IPEA/414  Invitation to Furnish Translation of Priority Document 
PCT/IPEA/415  Notification Concerning Documents Transmitted 
PCT/IPEA/416  Notification of Transmittal of International Preliminary Report on  Patentability 
PCT/IPEA/417  Notification of Transmittal of Requested Copies of Cited Documents 
PCT/IPEA/420  Notification of Decision on Protest or Declaration That Protest Considered Not to Have Been Made 
PCT/IPEA/421  Invitation to Pay for Requested Copies of Cited Documents 
PCT/IPEA/422  Invitation to Pay for Requested Copies of Documents in the File 
PCT/IPEA/423  Invitation to Correct Defects in Correspondence Submitted by the Applicant 
PCT/IPEA/424  Communication in Cases for Which No Other Form Is Applicable 
PCT/IPEA/425  Notification of Cancellation of Certain Elections 
PCT/IPEA/427  Communication Regarding Extension of Time Limit 
PCT/IPEA/428  Note on Informal Communication with the Applicant 
PCT/IPEA/429  Notification Concerning Informal Communication with the Applicant 
PCT/IPEA/431  Invitation to Submit Amendments 
PCT/IPEA/432  Communication Regarding Amendments Not Taken into Account 
PCT/IPEA/433  Notification Regarding Attempted Transmission of Documents via Telegraph, Teleprinter, Facsimile Machine, etc. 
PCT/IPEA/434  Invitation to Furnish Original of Document Transmitted by Telegraph, Teleprinter, Facsimile Machine, etc. 
PCT/IPEA/435  Notification Regarding Receipt of Documents via Telegraph, Teleprinter, Facsimile Machine, etc. 
PCT/IPEA/436  Notification of Transmittal of Demand to the International Bureau or to the Competent International Preliminary Examining Authority 
PCT/IPEA/438  Notification Concerning Paper Being Disregarded or Document Considered as Not Having Been Submitted 
PCT/IPEA/440  Invitation to Pay Prescribed Fees Together with Late Payment Fee 
PCT/IPEA/441  Invitation to Furnish Nucleotide and/or Amino Acid Sequence Listing and to Pay, Where Applicable, Late Furnishing Fee 
PCT/IPEA/442  Invitation to Indicate Competent International Preliminary Examining Authority 
PCT/IPEA/443  Invitation to Furnish Translation for the Purposes of International Preliminary Examination 
PCT/IPEA/444  Notification by Non-Competent International Preliminary Examining Authority that Demand Considered Not to Have Been Submitted