T 0426/89 (Pacemaker) of 28.6.1990

European Case Law Identifier: ECLI:EP:BA:1990:T042689.19900628
Date of decision: 28 June 1990
Case number: T 0426/89
Application number: 83110823.8
IPC class: A61N 1/362
Language of proceedings: DE
Distribution:
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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: Siemens
Opponent name: Biotronik
Board: 3.4.01
Headnote: 1. A claim relating to a "method for operating" a device is not "clear" (Article 84 EPC) if the claimed features only describe how the device works.
2. If, in order to clarify such a claim, it is amended to a product claim during opposition (appeal) proceedings, that does not constitute a(n) (inadmissible) change of category (cf. T 378/86 - 3.2.2 of 21 October 1987 "Change of category/MOOG", OJ EPO 1988, 386).
Relevant legal provisions:
European Patent Convention 1973 Art 52(4)
European Patent Convention 1973 Art 69
European Patent Convention 1973 Art 84
European Patent Convention 1973 Art 123(3)
European Patent Convention 1973 Art 56
Keywords: Treatment by therapy
Clarity of claims
Admissibility of a change of category during opposition proceedings
Catchwords:

-

Cited decisions:
-
Citing decisions:
T 0024/91
T 0082/93
T 0789/96
T 1021/98
T 1731/12

Source: http://www.epo.org/law-practice/case-law-appeals/recent/t890426ep1.html

Date retrieved: 17 May 2021

9 references found.

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EPO Guidelines - H Amendments and Corrections

Offical Journal of the EPO

Case Law Book: II Conditions to be met by an Application

General Case Law