Guidelines for Examination in the European Patent Office



November 2016 edition

The Guidelines for Examination give instructions on the practice and procedure to be followed in the various aspects of the examination of European applications and patents in accordance with the European Patent Convention and its Implementing Regulations.

Content description

By decision of the President of the EPO dated 2 September 2016 and pursuant to Article 10(2) EPC, the Guidelines for Examination have been amended. As announced in the Notice from the EPO dated 2 September 2016 (OJ EPO 2016, A76), the new Guidelines apply as from 1 November 2016.

The Guidelines have the following eight-part structure:

  • Part A: Guidelines for Formalities Examination
  • Part B: Guidelines for Search
  • Part C: Guidelines for Procedural Aspects of Substantive Examination
  • Part D: Guidelines for Opposition and Limitation/Revocation Procedures
  • Part E: Guidelines on General Procedural Matters
  • Part F: The European Patent Application
  • Part G: Patentability
  • Part H: Amendments and Corrections

Part A outlines the procedures for formalities examination, mainly with regard to grant proceedings. Part B deals with search matters. Parts C and D relate to procedures to be followed in examination and opposition proceedings, respectively.

Part E summarises procedural matters relevant to several or all of the stages in proceedings before the EPO. It also contains information about the procedure before the EPO as designated or elected Office, applicable to Euro-PCT applications.

Substantive requirements of the procedures under the EPC are explained in Parts F, G and H:

  • Part F defines the requirements which the application must fulfil other than patentability, in particular unity of invention (Art. 82), sufficiency of disclosure (Art. 83), clarity (Art. 84) and the right to priority (Art. 87 to Art. 89).
  • Part G deals with the requirements of patentability provided for in Art. 52 to Art. 57, in particular exclusions from patentability (Art. 52(2) and Art. 53), novelty (Art. 54), inventive step (Art. 56) and industrial application (Art. 57).
  • Part H deals with the requirements relating to amendments and corrections, in particular to questions of admissibility (Rule 80 and Rule 137) and compliance with Art. 123(2) and (3), Rule 139 and Rule 140.

This collection of hyperlinks is provided in order to facilitate access to the sections of the Guidelines which give instructions particularly useful for the search and examination of computer-implemented inventions (CII).

Available formats and amendments

The revised Guidelines for Examination (November 2016) are available online in the EPO's three official languages in both PDF and HTML format. They are also issued in printed paper format. Due to the frequent revisions, you are advised to preferably use the online version, which reflects the latest valid version in force.

Amendments in the 2016 revision have been made in all eight parts in order to bring the text into line with legal and procedural developments.

The amendments can be viewed in the HTML publication by ticking the "Show modifications" box in the upper right corner, which displays inserted text with a green background and deleted text in red strikethrough font. For sections in which no changes have been made, the tick box is greyed out.

Please use our advanced search to search within full-text HTML versions of EPO legal texts. You can limit your search to one or more of these texts.

Important notice: The November 2016 edition of the Guidelines is the only valid official version, and supersedes the November 2015 edition as from 1 November 2016.


Printed copies of the Guidelines for Examination can be requested using this order form.

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