T 0401/24 (Culturing of human embryonic stem cells/JANSSEN BIOTECH) of 25.03.2026
- European Case Law Identifier
- ECLI:EP:BA:2026:T040124.20260325
- Date of decision
- 25 March 2026
- Case number
- T 0401/24
- Online on
- 12 June 2026
- Petition for review of
- -
- Application number
- 13869259.5
- IPC class
- C12N 5/071G01N 33/50C12N 5/0735
- 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
- Culturing of human embryonic stem cells at the air-liquid interface for differentiation into pancreatic endocrine cells
- Applicant name
- Janssen Biotech, Inc.
- Opponent name
- Zwicker Schnappauf & Partner
Patentanwälte PartG mbB - Board
- 3.3.08
- Headnote
- -
- Relevant legal provisions
- European Patent Convention Art 56European Patent Convention Art 123(2)
- Keywords
- Main request and auxiliary requests 4, 6, 8, 10, 12, 14 and 15 - added subject-matter - (yes)
Auxiliary requests 2 and 13 - Inventive step - (no) - Catchword
- -
- Citing cases
- -
Order
For these reasons it is decided that:
1. The decision under appeal is set aside.
2. The patent is revoked.