T 0906/91 (Hybridoma/E.I. DU PONT) of 25.04.1995
- European Case Law Identifier
- ECLI:EP:BA:1995:T090691.19950425
- Date of decision
- 25 April 1995
- Case number
- T 0906/91
- Petition for review of
- -
- Application number
- 83303822.7
- IPC class
- C12P 1/00
- Language of proceedings
- English
- Distribution
- Distributed to board chairmen (C)
- Download
- Decision in English
- OJ versions
- No OJ links found
- Other decisions for this case
- -
- Abstracts for this decision
- -
- Application title
- Hybridoma cell lines and monoclonal antibodies to theophylline
- Applicant name
- E.I. DU PONT DE NEMOURS AND COMPANY
- Opponent name
- Behringwerke Aktiengesellschaft
Boehringer Mannhein GmbH Patentabteilung - Board
- 3.3.04
- Headnote
- -
- Relevant legal provisions
- European Patent Convention Art 56 1973
- Keywords
- Inventive step -no; obvious to replace antisera by monoclonal antibodies with reasonable expectation of improved specificity; no difficulties overcome in doing so.
- Catchword
- -
- Cited cases
- T 0499/88
ORDER
For these reasons it is decided that:
1. The decision under appeal is set aside.
2. The patent is revoked.