European Patent Office

T 0203/93 (MITSUBISHI/Wafer) of 01.09.1994

European Case Law Identifier
ECLI:EP:BA:1994:T020393.19940901
Date of decision
1 September 1994
Case number
T 0203/93
Petition for review of
-
Application number
83307967.6
IPC class
H01L 33/00
Language of proceedings
English
Distribution
Distributed to board chairmen and members (B)
OJ versions
No OJ links found
Other decisions for this case
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Abstracts for this decision
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Application title
Epitaxial wafer for use in the production of an infrared LED
Applicant name
MITSUBISHI MONSANTO CHEMICAL CO.LTD.
Opponent name
Siemens AG
TEMIC TELEFUNKEN microelectronic GmbH
KABUSHIKI KAISHA TOSHIBA
Board
3.4.01
Headnote
-
Keywords
Inventive step (yes) - secondary indicia - age of documents
Catchword
Use of known means not foreseeable to solve objective problem.
Known means could have been used, but would not have been used.
Time factor of over ten years an additional indication supporting conclusion that claimed use of known means was not obvious.
Cited cases
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Citing cases
T 1028/02

ORDER

For these reasons it is decided that:

The appeal is dismissed.