T 0461/24 (Protein A chromatography/ROCHE GENENTECH) of 19.03.2026
- European Case Law Identifier
- ECLI:EP:BA:2026:T046124.20260319
- Date of decision
- 19 March 2026
- Case number
- T 0461/24
- Online on
- 18 June 2026
- Petition for review of
- -
- Application number
- 16757608.1
- 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 the reduction of host cell proteins in affinity chromatography
- Applicant name
- F. Hoffmann-La Roche AG
GENENTECH, INC. - Opponent name
- Maiwald GmbH
Withers & Rogers LLP
Elkington and Fife LLP
WALLINGER RICKER SCHLOTTER TOSTMANN - Board
- 3.3.04
- Headnote
- -
- Relevant legal provisions
- European Patent Convention Art 56European Patent Convention Art 83European Patent Convention Art 123(2)Rules of procedure of the Boards of Appeal Art 12(4)
- Keywords
- Main request - inventive step (no)
Auxiliary request - amendments - allowable (yes) - sufficiency of disclosure (yes) - inventive step (yes)
Amendment to case - amendment within meaning of Art. 12(4) RPBA
Amendment to case - complexity of amendment
Amendment to case - admitted into the proceedings (no) - Catchword
- -
- Cited cases
- -
- Citing cases
- -
Order
For these reasons it is decided that:
The appeals are dismissed.