T 0343/90 () of 26.5.1992

European Case Law Identifier: ECLI:EP:BA:1992:T034390.19920526
Date of decision: 26 May 1992
Case number: T 0343/90
Application number: 83201538.2
IPC class: C09D 3/64
Language of proceedings: EN
Distribution: B
Download and more information:
Decision text in EN (PDF, 623 KB)
Documentation of the appeal procedure can be found in the Register
Bibliographic information is available in: EN
Versions: Unpublished
Title of application: Polyester and its use in powder coating
Applicant name: DSM RESINS BV
Opponent name: 01) Bayer AG, Leverkusen Konzerverwaltung RP Patente Konzern
02) Synthopol Chemie Dr.rer.pol. Koch GmbH & Co. KG
Board: 3.3.01
Headnote: -
Relevant legal provisions:
European Patent Convention 1973 Art 56
European Patent Convention 1973 Art 123(2)
Keywords: Inventive step (yes) - alternative solution
Added subject-matter (no) - essential feature incorporated in claim
Feature implicitely disclosed as essential
Catchwords:

Amendment of a claim by incorporation of a feature identifiable by the skilled reader as important for the invention (yes)

Formation of a numerical range for the said feature from the examples in their entirety without simultaneously adopting the numerical values given in these examples for the other parameters

Cited decisions:
-
Citing decisions:
T 0526/92
T 0939/94
T 0522/96
T 0399/99
T 0757/03
T 0976/03
T 0133/04
T 0487/05

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Case Law Book: II Conditions to be met by an Application

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