T 0052/02 (Enhanced digital signature/FISCHER) of 20.01.2005
- European Case Law Identifier
- ECLI:EP:BA:2005:T005202.20050120
- Date of decision
- 20 January 2005
- Case number
- T 0052/02
- Petition for review of
- -
- Application number
- 89300117.2
- IPC class
- H04L 9/00
- 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
- Public key/signature cryptosystem with enhanced digital signature certification
- Applicant name
- Fischer, Addison M.
- Opponent name
- Alcatel SEL AG Zentralbereich Patente und Lizenzen
GIESECKE & DEVRIENT GmbH - Board
- 3.5.03
- Headnote
- -
- Relevant legal provisions
- European Patent Convention Art 52 1973European Patent Convention Art 56 1973
- Keywords
- Inventive step - no
- Catchword
- -
- Cited cases
- -
- Citing cases
- T 0558/21
ORDER
For these reasons it is decided that:
1. The decision under appeal is set aside.
2. The patent is revoked.