Guidelines for Examination in the European Patent Office
Open-knowledge reference entry
The Guidelines for Examination in the European Patent Office (or, for short, the EPO Guidelines) are general instructions, for the examiners working at the European Patent Office (EPO) as well as for the parties interacting with the EPO, on the practice and procedure at the EPO in the various aspects of the prosecution of European patent applications and European patents. The Guidelines have been adopted, effective as at 1 June 1978, by the President of the EPO in accordance with Article 10(2)(a) EPC.
Structure
Since June 2012, the Guidelines comprise eight parts, relating respectively to the formalities examination (Part A), the search (Part B), the procedural aspects of substantive examination (Part C), the opposition and limitation/revocation procedures (Part D), general procedural matters (Part E), the European patent application (Part F), patentability (Part G), and the amendments and corrections (Part H).
Revisions
The Guidelines are revised annually. Until 2019, the revised editions of the Guidelines were published annually on 1 November. No revised edition of the Guidelines was published in 2020, and, since then, the revised editions are published annually at the beginning of March.
Legal status
According to several decisions of the Boards of Appeal of the EPO, the Guidelines are only general instructions intended to cover normal occurrences. An Examining Division, for example, can depart from them provided it acts in accordance with the European Patent Convention (EPC). "It [i]s normally desirable for examining divisions to act in accordance with the Guidelines, but (...) these [a]re not rules of law, so failure to follow a procedure set out in them [i]s not in itself a substantial procedural violation". Nevertheless, the users of the European patent system may reasonably expect, in accordance with the established "principle of the protection of legitimate expectations" (also referred to as "principle of good faith"), that the Guidelines will be followed by the departments of first instance of the EPO.
It is also settled case law that the Guidelines are not binding on the Boards of Appeal. This is "an important factor in the judicial independence of the boards of appeal" (Article 23(3) EPC).
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