T 0595/90 (Grain oriented silicon sheet) of 24.5.1993

European Case Law Identifier: ECLI:EP:BA:1993:T059590.19930524
Date of decision: 24 May 1993
Case number: T 0595/90
Application number: 81303891.6
IPC class: C21D 8/12
H01F 1/16
Language of proceedings: EN
Distribution: A
Download and more information:
Decision text in EN (PDF, 997 KB)
Documentation of the appeal procedure can be found in the Register
Bibliographic information is available in: EN
Versions: OJ | Published
Title of application: Grain-oriented silicon steel sheets having a very low iron loss and methods for producing the same
Applicant name: Kawasaki Steel
Opponent name: Nippon Steel
Thyssen Stahl
Ugine Aciers
Board: 3.2.02
Headnote: 1. Observations submitted as filed after the "adjournment" of the oral proceedings, which means the closing of the debate (in French "prononcer la clôture des débats" and in German "die sachliche Debatte für beendet erklären") are disregarded by the Board unless it reopens the debate. The reopening depends on the Board's discretion (point 1 of the Reasons).
2. A product which can be envisaged as such with all the characteristics determining its identity including its properties in use, i.e. an otherwise obvious entity, may become non-obvious and claimable as such, if there is no known way or applicable (analogy) method in the art to make it and the claimed methods for its preparation are the first to achieve this and do so in an inventive manner (point 5 of the reasons).
Relevant legal provisions:
European Patent Convention 1973 Art 56
European Patent Convention 1973 Art 84
European Patent Convention 1973 Art 113
European Patent Convention 1973 Art 114(2)
European Patent Convention 1973 Art 116
European Patent Convention 1973 Art 123(2)
Keywords: Method claim
Inventive step (no)
Product made by method also not inventive
Basis of decision
Right to be heard
Oral proceedings
Catchwords:

-

Cited decisions:
-
Citing decisions:
T 1085/92
T 0124/93
T 0296/93
T 0990/96
T 0148/98
T 0212/98
T 0268/98
T 0280/98
T 0235/99
T 0547/99
T 0100/00
T 1105/00
T 1195/00
T 0803/01
T 0318/02
T 0441/02
T 0452/04
T 1412/04
T 1526/06
T 1108/07
T 1715/07
T 0361/08
T 1266/11
T 1609/12
T 0205/14
T 1175/14
T 2294/15

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