European Patent Office

T 0438/99 of 24.01.2002

European Case Law Identifier
ECLI:EP:BA:2002:T043899.20020124
Date of decision
24 January 2002
Case number
T 0438/99
Petition for review of
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Application number
91312017.6
IPC class
G11B 5/66
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
-
Application title
Magnetic recording medium
Applicant name
KONICA CORPORATION
Opponent name
BASF Magnetics GmbH
Board
3.5.02
Headnote
-
Keywords
Added subject-matter - (yes)
Catchword
A phrase in a passage in the description of a patent application which is essential to the disclosure of the invention or definition of the subject-matter for which protection is sought and which (phrase) cannot be interpreted or construed because it contains an unresolvable ambiguity may, nevertheless, not be deleted under Article 123(2) EPC if the passage after amendment arguably conveys a different technical teaching; cf reasons 5.3.
Cited cases
G 0011/91
Citing cases
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ORDER

For these reasons it is decided that:

1. The decision under appeal is set aside.

2. The patent is revoked.