T 0005/89 (Air-cleaning apparatus) of 6.7.1990

European Case Law Identifier: ECLI:EP:BA:1990:T000589.19900706
Date of decision: 06 July 1990
Case number: T 0005/89
Application number: 83106922.4
IPC class: B01D 53/02
B01D 53/54
F24F 3/16
Language of proceedings: DE
Distribution:
Download and more information:
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Documentation of the appeal procedure can be found in the Register
Bibliographic information is available in: DE | EN | FR
Versions: OJ
Title of application: -
Applicant name: von Blücher
Opponent name: Helsa-Werke h. Sandler GmbH
Board: 3.4.02
Headnote: Before issuing a negative decision limited solely to patent proprietor's main request, the Opposition Division must ensure that the proprietor has expressly withdrawn all subordinate requests.
Relevant legal provisions:
European Patent Convention 1973 Art 56
European Patent Convention 1973 Art 111(1)
European Patent Convention 1973 Art 112(1)
European Patent Convention 1973 R 58(4)
European Patent Convention 1973 R 58(5)
Keywords: Revocation following objections by the patent proprietor to the text communicated pursuant to Rule 58(4) EPC (justified)
Remittal to the Opposition Division (no)
Referral to the Enlarged Board of Appeal (no)
Catchwords:

-

Cited decisions:
-
Citing decisions:
T 0785/91
T 0081/93
T 0861/97
T 1091/02
T 1210/05

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