The following forms are used by the EPO as RO:

PCT/RO/103

Invitation to correct the purported international application

PCT/RO/104

Notification that the purported international application is not and will not be treated as an international application

PCT/RO/105

Notification of the international application number and of the international filing date

PCT/RO/106

Invitation to correct defects in the international application

PCT/RO/107

Invitation relating to certain parts of the international application that are, or appear to be, missing

PCT/RO/108

Invitation to request rectification

PCT/RO/110

Invitation to correct priority claim and/or notification of possibility to request restoration of the right of priority

PCT/RO/111

Notification relating to priority claim

PCT/RO/114

Notification on decision of confirmation of incorporation by reference of element or part

PCT/RO/117

Notification that international application considered to be withdrawn

PCT/RO/119

Notification of refund of fees

PCT/RO/126

Notification concerning later submitted parts of an international application

PCT/RO/130

Invitation to request omission of information from international publication

PCT/RO/132

Communication in cases for which no other form is applicable

PCT/RO/133

Invitation to pay prescribed fees together with late payment fee

PCT/RO/135

Notification of date of receipt of priority document or of priority application number

PCT/RO/136

Notification of withdrawal

PCT/RO/138

Communication regarding extension of time limit

PCT/RO/141

Invitation to furnish original of document transmitted by telegraph, teleprinter, facsimile machine, etc.

PCT/RO/151

Notification of transmittal of purported international application to the International Bureau as receiving Office and invitation to pay fee

PCT/RO/158

Notification of intended refusal of request to restore right of priority and/or invitation to furnish declaration or other evidence

PCT/RO/159

Notification of decision on request to restore right of priority

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/210

International search report

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/216

Invitation to request rectification

PCT/ISA/217

Notification of decision concerning request for rectification

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/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/237

Written opinion of the International Searching Authority

PCT/SISA/501

Supplementary international search report

PCT/SISA/502

Declaration of non-establishment of supplementary international search report

PCT/SISA/503

Notification of decision on review of opinion; or declaration that request for review of opinion considered not to have been made

PCT/SISA/504

Invitation to furnish nucleotide and/or amino acid sequence listing and to pay, where applicable, late furnishing fee

PCT/SISA/506

Notification of receipt of copy of international application for the purposes of supplementary international search

PCT/SISA/524

Communication in cases for which no other form is applicable

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/411

Invitation to request rectification

PCT/IPEA/412

Notification of decision concerning request for rectification

PCT/IPEA/415

Notification concerning documents transmitted

PCT/IPEA/420

Notification of decision on protest or declaration that protest considered not to have been made

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/436

Notification of transmittal of demand to the International Bureau or to the competent International Preliminary Examining Authority

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