European Patent Office

G 0001/23 (Interpretation of G 1/92 (enablement requirement for products put on the market for forming part of the state of the art within the meaning of Articles 54(2) and 56 EPC)) du 02.07.2025

Identifiant européen de la jurisprudence
ECLI:EP:BA:2025:G000123.20250702
Date de la décision
2 juilliet 2025
Numéro de l'affaire
G 0001/23
Requête en révision de
-
Numéro de la demande
11830390.8
Langue de la procédure
Anglais
Distribution
Publiées au Journal officiel de l'OEB (A)
Téléchargement
Décision en anglais
Autres décisions pour cet affaire
-
Résumés pour cette décision
Résumé de Article 054(2) EPC
Titre de la demande
SOLAR CELL SEALING MATERIAL, AND SOLAR CELL MODULE
Nom du demandeur
Mitsui Chemicals, Inc.
Mitsui Chemicals ICT Materia, Inc.
Nom de l'opposant
Borealis GmbH
Chambre
-
Sommaire

I. A product put on the market before the date of filing of a European patent application cannot be excluded from the state of the art within the meaning of Article 54(2) EPC for the sole reason that its composition or internal structure could not be analysed and reproduced by the skilled person before that date.

II. Technical information about such a product which was made available to the public before the filing date forms part of the state of the art within the meaning of Article 54(2) EPC, irrespective of whether the skilled person could analyse and reproduce the product and its composition or internal structure before that date.

Dispositions juridiques pertinentes
European Patent Convention Art 112(1)European Patent Convention Art 117(1)(f)European Patent Convention Art 54(2)European Patent Convention Art 56European Patent Convention Art 83Rules of procedure of the Enlarged Board of Appeal Art 10Rules of procedure of the Enlarged Board of Appeal Art 9
Mots-clés
Admissibility of referral (yes)
Product put on the market - requirement of reproducibility for prior art status under Article 54(2) and 56 EPC (no)
Not reproducible properties taken into account for novelty and inventive step (yes)
Exergue
-

3. Order

The questions referred to the Enlarged Board of Appeal are answered as follows:

1. A product put on the market before the date of filing of a European patent application cannot be excluded from the state of the art within the meaning of Article 54(2) EPC for the sole reason that its composition or internal structure could not be analysed and reproduced by the skilled person before that date.

2. Technical information about such a product which was made available to the public before the filing date forms part of the state of the art within the meaning of Article 54(2) EPC, irrespective of whether the skilled person could analyse and reproduce the product and its composition or internal structure before that date.

3. In view of the answers to Questions 1 and 2 an answer is not required.