G 0002/88 (Friction reducing additive) of 11.12.1989

European Case Law Identifier: ECLI:EP:BA:1989:G000288.19891211
Date of decision: 11 December 1989
Case number: G 0002/88
Referral: T 0059/87
Application number: 81300717.6
IPC class: C10M
Language of proceedings: EN
Distribution: A
Download and more information:
Decision text in EN (PDF, 1.401M)
Documentation of the appeal procedure can be found in the Register
Bibliographic information is available in: EN
Versions: OJ | Published
Title of application: -
Applicant name: Mobil Oil III
Opponent name: Chevron Research
Board: EBA
Headnote: I. A change of category of granted claims in opposition proceedings is not open to objection under Article 123(3) EPC, if it does not result in extension of the protection conferred by the claims as a whole, when they are interpreted in accordance with Article 69 EPC and its Protocol. In this context, the national laws of the Contracting States relating to infringement should not be considered.
2. An amendment of granted claims directed to "a compound" and to "a composition including such compound", so that the amended claims are directed to "the use of that compound in a composition" for a particular purpose, is not open to objection under Article 123(3) EPC.
3. A claim to the use of a known compound for a particular purpose, which is based on a technical effect which is described in the patent, should be interpreted as including that technical effect as a functional technical feature, and is accordingly not open to objection under Article 54(1) EPC provided that such technical feature has not previously been made available to the public.
Relevant legal provisions:
European Patent Convention 1973 Art 54
European Patent Convention 1973 Art 64
European Patent Convention 1973 Art 69
European Patent Convention 1973 Art 112(1)(a)
European Patent Convention 1973 Art 123
Keywords: Amendment in opposition proceedings
Change of category (here: from "compound and "composition" to "use of compound for a partiular purpose")
Novelty of such a "use" claim over disclosure of same compound for different purpose
Second non-medical indication
Catchwords:

-

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EPO Guidelines Foreword

EPO Guidelines - F The European Patent Application

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EPO Guidelines - H Amendments and Corrections

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