T 0069/83 (Thermoplastic moulding compositions) of 5.4.1984

European Case Law Identifier: ECLI:EP:BA:1984:T006983.19840405
Date of decision: 05 April 1984
Case number: T 0069/83
Application number: 78101145.7
IPC class: -
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: Bayer
Opponent name: -
Board: 3.3.01
Headnote: I. The mere fact that the disadvantage resulting from the omission of a component of a mixture recognised in the art as advantageous is accepted does not mean that a prejudice has been overcome.
II. Where, because of an essential part of the technical problem being addressed, the state of the art obliges a skilled person to adopt a certain solution, that solution is not automatically rendered inventive by the fact that it also unexpectedly solves part of the problem.
Relevant legal provisions:
European Patent Convention 1973 Art 56
European Patent Convention 1973 Art 52
Keywords: Closest state of the art
Inventive step - omission of a component of a mixture
Obvious effect
Prejudice (denied)
Catchwords:

-

Cited decisions:
-
Citing decisions:
T 0021/89
T 0146/89
T 0541/89
T 0713/90
T 0920/90
T 0412/93
T 0431/93
T 0703/93
T 0663/94
T 0681/94
T 0848/94
T 0317/95
T 0741/95
T 0777/95
T 0422/97
T 0956/98
T 0164/00
T 0184/00
T 0660/00
T 0866/01
T 1013/02
T 0881/05
T 0030/10
T 2043/12
T 1311/13

Source: http://www.epo.org/law-practice/case-law-appeals/recent/t830069ep1.html

Date retrieved: 17 May 2021

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