Start page
Statistics centre
Legal texts
Legal texts
Legal texts from the European Patent Office (EPO) in a format optimised for different screen sizes.
Go to overview
Overview

European Patent Convention

Overview

Archive

Official Journal

EPC Guidelines

Overview

Archive

PCT-EPO Guidelines

Overview

Archive

Guidelines revision cycle

Extension / validation system

London Agreement

National law relating to the EPC

Overview

Archive

Unitary Patent system

National measures relating to the Unitary Patent
EPC now at your fingertips, on all devices
News & events
News & events
Our latest news, podcasts and events, including the European Inventor Award.
Go to overview
Overview

European Inventor Award

Overview

About the award

Categories and prizes

Meet the finalists

Nominations

Watch the 2022 ceremony

Press centre

Overview

Patent Index and statistics

Search in press centre

Background information

Copyright

Press contacts

Call back form

Email alert service
Meet the European Inventor Award jury

Search

en de fr

Language selection
English
Deutsch
Français

Main navigation

Start page
Statistics centre
Legal texts
- Go back
- Overview
- European Patent Convention
  - Go back
  - Overview
  - Archive
    - Go back
    - Overview
    - Documentation on the EPC revision 2000
    - Travaux Préparatoires EPC 1973
- Official Journal
- EPC Guidelines
  - Go back
  - Overview
  - Archive
- PCT-EPO Guidelines
  - Go back
  - Overview
  - Archive
- Guidelines revision cycle
- Extension / validation system
- London Agreement
- National law relating to the EPC
  - Go back
  - Overview
  - Archive
- Unitary Patent system
- National measures relating to the Unitary Patent
News & events
- Go back
- Overview
- European Inventor Award
  - Go back
  - Overview
  - About the award
  - Categories and prizes
  - Meet the finalists
  - Nominations
  - Watch the 2022 ceremony
- Press centre
  - Go back
  - Overview
  - Patent Index and statistics
  - Search in press centre
  - Background information
  - Copyright
  - Press contacts
  - Call back form
  - Email alert service
Service & support
- Go back
- Forms
- Subscription centre
  - Go back
  - Overview
  - Subscribe
  - Change preferences
  - Unsubscribe
Patent Index 2020

2. The subject of the search

Home
Legal texts
PCT-EPO Guidelines
Table of Contents
PCT Part B
Chapter III
2. The subject of the search
2.3 Obvious mistakes and missing or correct parts/elements

Print

Facebook Twitter Linkedin Email

2.3 Obvious mistakes and missing or correct parts/elements

Overview

2.3 Obvious mistakes and missing or correct parts/elements

2.3.1 General considerations

2.3.2 Request for rectification of obvious mistakes (Rule 91)

2.3.3 Incorporating missing parts or elements, or correct parts or elements, completely contained in the priority document

2.3.4 Correct elements or parts notified after the start of the search and additional fee

Previous

Next

Show modifications

Footer - Service & support

Footer - More links

Footer

Terms of use
Legal notice
Data protection and privacy