T 0465/92 (Aluminium alloys) of 14.10.1994

European Case Law Identifier: ECLI:EP:BA:1994:T046592.19941014
Date of decision: 14 October 1994
Case number: T 0465/92
Application number: 86307485.2
IPC class: C22F 1/05
Language of proceedings: EN
Distribution: A
Download and more information:
Decision text in EN (PDF, 1 MB)
Documentation of the appeal procedure can be found in the Register
Bibliographic information is available in: EN
Versions: OJ | Published
Title of application: Al-Mg-Si extrusion alloy and method
Applicant name: ALCAN INTERNATIONAL LIMITED
Opponent name: 0I: Alusuisse-Lonza Services AG
0II: Julius & August Erbslöh GmbH & Co
0III: Vereinigte Aluminium-Werke AG, Berlin und Bonn
0IV: Hoogovens Groep BV
Board: 3.2.02
Headnote: I. The "problem and solution approach" is no more than one possible route for the assessment of inventiveness. Accordingly, its use is not a sine qua non when deciding inventiveness under Article 56 EPC.
Relevant legal provisions:
European Patent Convention 1973 Art 54
European Patent Convention 1973 Art 56
European Patent Convention 1973 Art 125
European Patent Convention 1973 R 27(1)(c)
Keywords: Inventive step (yes)
Problem and solution approach not always appropriate
Catchwords:

-

Cited decisions:
T 0001/80
T 0020/81
T 0248/85
T 0326/87
T 0246/91
T 0495/91
T 0741/91
Citing decisions:
T 0939/92
T 0169/93
T 0895/93
T 0219/94
T 0703/94
T 0152/95
T 0446/95
T 0492/95
T 0109/96
T 0730/96
T 0062/97
T 0595/97
T 0967/97
T 0515/98
T 0280/00
T 0504/00
T 0926/00
T 0957/00
T 0577/01
T 1034/01
T 1080/01
T 0504/02
T 0152/05
T 1430/08
T 0188/09
T 1117/10
T 1727/14

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