T 0410/99 (Kraft pulp preparation/METSO) of 20.1.2003

European Case Law Identifier: ECLI:EP:BA:2003:T041099.20030120
Date of decision: 20 January 2003
Case number: T 0410/99
Application number: 91903366.2
IPC class: D21C 3/02
Language of proceedings: EN
Distribution: B
Download and more information:
Decision text in EN (PDF, 775 KB)
Documentation of the appeal procedure can be found in the Register
Bibliographic information is available in: EN
Versions: Unpublished
Title of application: Process for preparing kraft pulp
Applicant name: Metso Chemical Pulping Oy
Opponent name: Kvaerner Pulping AB
Board: 3.3.06
Headnote: -
Relevant legal provisions:
European Patent Convention 1973 Art 84
European Patent Convention 1973 Art 54
Keywords: Clarity (main request, first and second auxiliary request) - no: wording of amended claim 1 not clear itself
Novelty (third and fifth auxiliary request) - no: all features of the claimed process are directly and unambiguously derivable from the cited prior art
Catchwords:

"If there is no evidence or reason for considering the explicit teaching of a prior art document as incomplete or wrong or giving rise to doubts about the results obtained, a party's allegation that a skilled person would have understood additional but undescribed features to be a necessary part of such prior art teaching cannot be accepted (point 3.2.6 of the Reasons for the Decision)"

Cited decisions:
G 0009/91
T 0227/88
T 0412/91
T 0511/92
T 0464/94
T 1129/97
T 0728/98
Citing decisions:
T 0381/02
T 1057/10
T 0332/14
T 1783/16

Source: http://www.epo.org/law-practice/case-law-appeals/recent/t990410eu1.html

Date retrieved: 17 May 2021

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