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Date of decision
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14 October 1994
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Case number
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T 0465/92
- 3.2.2
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Application number
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86307485.2
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Title of the application
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Al-Mg-Si extrusion alloy and method
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Applicant name
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ALCAN INTERNATIONAL LIMITED
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Opponent name
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0I: Alusuisse-Lonza Services AG
0II: Julius & August Erbslöh GmbH & Co
0III: Vereinigte Aluminium-Werke AG, Berlin und Bonn
0IV: Hoogovens Groep BV
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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.
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Keywords
Inventive step (yes)
Problem and solution approach not always appropriate
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