Guidelines for Examination
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Guidelines for Examination – Table of Contents

Overview

Guidelines for Examination

A revised version of this publication entered into force.

Guidelines for Examination in the European Patent Office

March 2022 2023

List of Contents 

General Part

1. Preliminary remarks
2. Explanatory notes
3. General remarks
4. Work at the EPO
5. Summary of the processing of applications and patents at the EPO
6. Contracting states to the EPC
7. Extension to and validation in states not party to the EPC

Part A – Guidelines for Formalities Examination

Chapter IIntroduction
Chapter IIFiling of applications and examination on filing
Chapter IIIExamination of formal requirements
Chapter IVSpecial provisions
Chapter VCommunications concerning formal deficiencies; amendment of application; correction of errors
Chapter VIPublication of application; request for examination and transmission of the dossier to examining division
Chapter VIILanguages
Chapter VIIICommon provisions
Chapter IXDrawings
Chapter XFees
Chapter XIInspection of files; communication of information contained in files; consultation of the European Patent Register; issuance of certified copies

Part B – Guidelines for Search

Chapter IIntroduction
Chapter IIGeneral
Chapter IIICharacteristics of the search
Chapter IVSearch procedure and strategy
Chapter VPreclassification, IPC and CPC classification of European patent applications
Chapter VIThe state of the art at the search stage
Chapter VIIUnity of invention
Chapter VIIISubject-matter to be excluded from the search
Chapter IXSearch documentation
Chapter XSearch report
Chapter XIThe search opinion

Part C – Guidelines for Procedural Aspects of Substantive Examination

Chapter IIntroduction
Chapter IIFormal requirements to be met before the division starts substantive examination
Chapter IIIThe first stage of examination
Chapter IVExamination of replies and further stages of examination
Chapter VThe final stage of examination
AnnexStandard marks for indicating amendments or corrections by the divisions
Chapter VITime limits and acceleration of examination
Chapter VIIOther procedures in examination
Chapter VIIIWork within the examining division
Chapter IXSpecial applications

Part D – Guidelines for Opposition and Limitation/Revocation Procedures

Chapter IGeneral remarks
Chapter IIThe opposition division
Chapter IIIOpposition
Chapter IVProcedure up to substantive examination
Chapter VSubstantive examination of opposition
Chapter VIProcedure for the examination of the opposition
Chapter VIIDetails and special features of the proceedings
Chapter VIIIDecisions of the opposition division
Chapter IXCosts
Chapter XLimitation and revocation procedure

Part E – Guidelines on General Procedural Matters

Chapter IIntroduction
Chapter IICommunications and notifications
Chapter IIIOral proceedings
Chapter IVTaking and conservation of evidence
Chapter VDerogations from the language of the proceedings in oral proceedings
Chapter VIExamination by the EPO of its own motion; facts, evidence or grounds not submitted in due time; observations by third parties
Chapter VIIInterruption, stay and consolidation of the proceedings
Chapter VIIITime limits, loss of rights, further and accelerated processing and re-establishment of rights
Chapter IXApplications under the Patent Cooperation Treaty (PCT)
Chapter XDecisions
Chapter XIImpartiality of the examining or opposition division
Chapter XIIAppeals
Chapter XIIIRequest from a national court for a technical opinion concerning a European patent
Chapter XIVRegistration of changes of name, transfers, licences and other rights

Part F – The European Patent Application

Chapter IIntroduction
Chapter IIContent of a European patent application (other than claims)
Chapter II – Annex 1Checklist for considering the abstract (see F‑II, 2.5)
Chapter II – Annex 2Units recognised in international practice and complying with Rule 49(10) (see F‑II, 4.13)
Chapter IIISufficiency of disclosure
Chapter IVClaims (Art. 84 and formal requirements)
AnnexExamples concerning essential features
Chapter VUnity of invention
Chapter VIPriority

Part G – Patentability

Chapter IPatentability
Chapter IIInventions
Chapter IIIIndustrial application
Chapter IVState of the art
Chapter VNon-prejudicial disclosures
Chapter VINovelty
Chapter VIIInventive step
AnnexExamples relating to the requirement of inventive step – indicators

Part H – Amendments and Corrections

Chapter IThe right to amend
Chapter IIAdmissibility of amendments – general rules
Chapter IIIAdmissibility of amendments – other procedural matters
Chapter IVAllowability of amendments – Art. 123(2) and (3)
Chapter VAllowability of amendments – examples
Chapter VICorrection of errors
Index for Computer‑Implemented Inventions
Guidelines for Examination Alphabetical keyword index
List of sections amended in 2023 revision
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