T 0135/24 of 14.01.2026
- European Case Law Identifier
- ECLI:EP:BA:2026:T013524.20260114
- Date of decision
- 14 January 2026
- Case number
- T 0135/24
- Online on
- 9 April 2026
- Petition for review of
- -
- Application number
- 13789295.6
- IPC class
- C08G 75/23
- 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
- POLYARYLENE ETHER SULFONES
- Applicant name
- Syensqo Specialty Polymers USA, LLC
- Opponent name
- BASF SE
- Board
- 3.3.03
- Headnote
- -
- Relevant legal provisions
- Rules of procedure of the Boards of Appeal 2020 Art 012(4)Rules of procedure of the Boards of Appeal 2020 Art 011European Patent Convention Art 56European Patent Convention Art 111(1)
- Keywords
- Statut of a document admitted before the opposition division and forming the basis for the decision - in the appeal proceedings (yes)
New document submitted with the statement of grounds of appeal - admitted (yes)
Submission concerning an additional distinguishing feature over the closest prior art - admitted in the appeal proceedings (yes) - no need for a remittal
Inventive step - obvious further process and its optimization (all requests) - Catchword
- -
- Cited cases
- -
- Citing cases
- -
Order
For these reasons it is decided that:
The decision under appeal is set aside.
The patent is revoked.