T 0100/91 of 07.12.1992
- European Case Law Identifier
- ECLI:EP:BA:1992:T010091.19921207
- Date of decision
- 7 December 1992
- Case number
- T 0100/91
- Online on
- 15 February 1993
- Petition for review of
- -
- Application number
- 84110537.2
- IPC class
- G02B 5/30
- 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
- Phase retardation element and prism for use in an optical data storage system
- Applicant name
- International Business Machines Corporation
- Opponent name
- -
- Board
- 3.4.02
- Headnote
- -
- Relevant legal provisions
- European Patent Convention Art 56 1973European Patent Convention Art 123(2) 1973
- Keywords
- Main request:added subject-matter: feature in Claim 1 - not originally disclosed
Auxiliary request: inventive step (no) - Catchword
- -
- Cited cases
- -
- Citing cases
- -
ORDER
For these reasons, it is decided that:
The appeal is dismissed.