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Date of decision
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20 January 2003
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Case number
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T 0410/99
- 3.3.6
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Application number
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91903366.2
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Title of the application
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Process for preparing kraft pulp
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Applicant name
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Metso Chemical Pulping Oy
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Opponent name
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Kvaerner Pulping AB
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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
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Catchwords:
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"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)"
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