| European Case Law Identifier: | ECLI:EP:BA:1984:T018182.19840228 | ||||||||
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| Date of decision: | 28 February 1984 | ||||||||
| Case number: | T 0181/82 | ||||||||
| Application number: | 80810093.7 | ||||||||
| IPC class: | - | ||||||||
| Language of proceedings: | DE | ||||||||
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| Title of application: | - | ||||||||
| Applicant name: | CIBA GEIGY | ||||||||
| Opponent name: | - | ||||||||
| Board: | 3.3.01 | ||||||||
| Headnote: | I. An effect which may be said to be unexpected can be regarded as an indication of inventive step; where comparative tests are sub submitted as evidence of this, there must be the closest possible structural approximation - in a comparable type of use - to the subject-matter of the invention. II. Only known substances - not notionally described ones - qualify for use in comparisons of compounds. Such substances include those which are the inevitable result of the starting materials and the process applied thereto, even if one of the two reactants manifests itself as a chemical entity (C1 alkyl bromide) from a group of generically defined compounds (C1 - C4 alkyl bromides) (see "Diastereomers" T 12/81, OJ EPO 1982,296). |
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| Keywords: | Comparative tests - prerequisites therefor Non-referral to Enlarged Board of Appeal Inventive step unexpected effect |
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Source: http://www.epo.org/law-practice/case-law-appeals/recent/t820181ep1.html
Date retrieved: 17 May 2021
48 references found.
Click X to load a reference inside the current page, click on the title to open in a new page.Offical Journal of the EPO
XOJ EPO SE 1/2021, p179 - Annex 1 - Index of published decisions of the boards of appeal and the Enlarged Board of Appeal - (as at 31 December 2020)
XOJ EPO SE 1/2020, p174 - Annex 1 - Index of published decisions of the boards of appeal and the Enlarged Board of Appeal - (as at 31 December 2019)
XOJ EPO SE 1/2019, p158 - XVI. - Index of published decisions of the boards of appeal and the Enlarged Board of Appeal - (as at 31 December 2018)