T 0438/19 of 15.10.2025

European Case Law Identifier: ECLI:EP:BA:2025:T043819.20251015
Date of decision: 15 October 2025
Case number: T 0438/19
Petition for review of: -
Application number: 11830390.8
IPC class: H01L 31/042 C08K 5/541 C09D 123/08 C09K 3/10 C08L 23/08 C08F 210/02
Language of proceedings: English
Distribution: No distribution (D)
Download: Decision in English
OJ versions: No OJ links found
Other decisions for this case: T 0438/19 2023-06-27 T 0438/19 2023-06-27 T 0438/19 2023-06-27
Abstracts for this decision: -
Application title: SOLAR CELL SEALING MATERIAL, AND SOLAR CELL MODULE
Applicant name: Mitsui Chemicals, Inc.
Mitsui Chemicals ICT Materia, Inc.
Opponent name: Borealis GmbH
Board: 3.3.03
Headnote: -
Relevant legal provisions: European Patent Convention Art 113(2)
Keywords: Basis of decision - text or agreement to text withdrawn by patent proprietor
Basis of decision - patent revoked
Catchword: -
Cited cases: T 0073/84 T 0186/84 T 0646/08 T 2434/18
Citing cases: G 0001/23 T 2510/18 T 0439/24

Order

For these reasons it is decided that:

1. The decision under appeal is set aside.

2. The patent is revoked.