T 0500/11 (Trichlorosilane/ELKEM) of 4.9.2013

European Case Law Identifier: ECLI:EP:BA:2013:T050011.20130904
Date of decision: 04 September 2013
Case number: T 0500/11
Application number: 04748762.4
IPC class: C01B 33/107
Language of proceedings: EN
Distribution: D
Download and more information:
Decision text in EN (PDF, 155.614K)
Documentation of the appeal procedure can be found in the Register
Bibliographic information is available in: EN
Versions: Unpublished
Title of application: Method for production of trichlorosilane
Applicant name: Elkem ASA
Opponent name: Evonik Degussa GmbH
Board: 3.3.05
Headnote: -
Relevant legal provisions:
European Patent Convention Art 54(1)
European Patent Convention Art 54(2)
European Patent Convention Art 56
European Patent Convention Art 83
European Patent Convention Art 123(2)
Keywords: Disclosure of the invention: sufficient; no gaps in information
Main request: Novelty (no) - end value of a prior art range takes away the novelty of the claimed range
Auxiliary request: amendment - admissible intermediate generalisation - other features not inextricably linked to the feature picked out from a working example; novelty (yes); inventive step (yes) - improvement (yes); obviousness (no)


Cited decisions:
T 0240/95
T 0962/98
T 0520/06
T 0273/10
Citing decisions:
T 0558/13
T 0560/13

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