T 0957/23 of 25.11.2025
- European Case Law Identifier
- ECLI:EP:BA:2025:T095723.20251125
- Date of decision
- 25 November 2025
- Case number
- T 0957/23
- Online on
- 20 February 2026
- Petition for review of
- -
- Application number
- 15822146.5
- IPC class
- C07C 21/18C07C 17/25C07C 17/20
- 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
- METHOD FOR PRODUCING TRANS-1-CHLORO-3,3,3-TRIFLUOROPROPANE
- Applicant name
- Central Glass Company, Limited
- Opponent name
- ARKEMA FRANCE
- Board
- 3.3.09
- Headnote
- -
- Relevant legal provisions
- European Patent Convention Art 123(2)Rules of procedure of the Boards of Appeal 2020 Art 013(2)European Patent Convention Art 83European Patent Convention Art 54European Patent Convention Art 56
- Keywords
- Amendments (main request)
Amendments - allowable (no)
Amendments - auxiliary request
Amendments - allowable (yes)
Late-filed auxiliary request - admitted (yes)
Sufficiency of disclosure - (yes)
Novelty - auxiliary request (yes)
Inventive step - auxiliary request (yes) - Catchword
- -
- Cited cases
- -
- Citing cases
- -
Order
For these reasons it is decided that:
1. The decision under appeal is set aside
2. The case is remitted to the opposition division with the order to maintain the patent in the following version:
- claims 1 and 2 of auxiliary request 25 filed with letter dated 21 March 2025,
- description, paragraphs [0001] to [0009] and [0011] to [0054] of the patent specification and paragraph [0010] reading:
"The embodiment of the present invention is reflected in independent claim 1. The preferred embodiment of the present invention is reflected in dependent claim 2.", and
- figure 1 of the patent specification.