T 0001/23 (Gas insulation apparatus/KABUSHIKI KAISHA TOSHIBA) of 21.07.2026
- European Case Law Identifier
- ECLI:EP:BA:2026:T000123.20260721
- Date of decision
- 21 July 2026
- Case number
- T 0001/23
- Online on
- 14 September 2026
- Petition for review of
- -
- Application number
- 10789211.9
- IPC class
- H01H 33/56H01H 33/915H01H 33/22H01F 27/02H01H 33/76H01H 33/90H01H 33/91H02B 13/055H01H 33/70
- Language of proceedings
- English
- Distribution
- No distribution (D)
- Download
- Decision in English
- OJ versions
- No OJ links found
- Other decisions for this case
- -
- Abstracts for this decision
- -
- Application title
- GAS INSULATION APPARATUS
- Applicant name
- Kabushiki Kaisha Toshiba
- Opponent name
- Hitachi Energy Ltd
- Board
- 3.5.01
- Headnote
- -
- Relevant legal provisions
- European Patent Convention Art 84European Patent Convention Art 100(c)European Patent Convention Art 123(2)
- Keywords
- Amendments - unallowable generalisation (yes
Amendments - description cannot compensate for omitted limiting feature)
Clarity after amendment (no - relative term "many" not clarified by technical context) - Catchword
- -
- Citing cases
- -
Order
For these reasons it is decided that:
1. The decision under appeal is set aside.
2. The patent is revoked.