T 0939/92 (Triazoles) of 12.9.1995

European Case Law Identifier: ECLI:EP:BA:1995:T093992.19950912
Date of decision: 12 September 1995
Case number: T 0939/92
Application number: 87303463.1
IPC class: C07D 249/12
Language of proceedings: EN
Distribution: A
Download and more information:
Decision text in EN (PDF, 1 MB)
Documentation of the appeal procedure can be found in the Register
Bibliographic information is available in: EN
Versions: OJ | Published
Title of application: Triazole herbicides
Applicant name: AgrEvo UK Limited
Opponent name: -
Board: 3.3.01
Headnote: 1. If a claim concerns a group of chemical compounds per se, an objection of lack of support by the description pursuant to Article 84 EPC cannot properly be raised for the sole reason that the description does not contain sufficient information in order to make it credible that an alleged technical effect (which is not, however, a part of the definition of the claimed compounds) is obtained by all the compounds claimed (see reasons 2.2.2).
2. The question as to whether or not such a technical effect is achieved by all the chemical compounds covered by such a claim may properly arise under Article 56 EPC, if this technical effect turns out to be the sole reason for the alleged inventiveness of these compounds (reasons 2.4 to 2.6).
Relevant legal provisions:
European Patent Convention 1973 Art 84
European Patent Convention 1973 Art 56
Keywords: Clarity and support by the description (yes)
Inventive step (no)
Alleged effect not credible for all claimed alternatives
Solution to more general technical problem obvious
Catchwords:

-

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141 references found.

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EPO Guidelines - D Opposition and Limitation/Revocation Procedures

EPO Guidelines - G Patentability

Offical Journal of the EPO

Case Law Book: I Patentability

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

Case Law Book: III Amendments

Case Law Book: IV Divisional Applications

Case Law of the Enlarged Board

General Case Law