| European Case Law Identifier: | ECLI:EP:BA:1989:T015588.19890714 | ||||||||
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| Date of decision: | 14 July 1989 | ||||||||
| Case number: | T 0155/88 | ||||||||
| Application number: | 81301292.9 | ||||||||
| IPC class: | C04B 35/48 | ||||||||
| Language of proceedings: | EN | ||||||||
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| Title of application: | Zirconica ceramics and a method of producing the same | ||||||||
| Applicant name: | NGK Insulators, Ltd. | ||||||||
| Opponent name: | 1) Kyocera Corp. 2) Feldmühle AG 3) Pechiney SA |
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| Board: | 3.3.01 | ||||||||
| Headnote: | - | ||||||||
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| Keywords: | Inventive step (yes) - relevant state of the art formulation of the technical problem reinstatement of claims - decision on auxiliary reque. procedural violation (no) amendment of patent by proprietor in opposition (appeal) procedure amendment of a request by the Board of Appeal |
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Source: http://www.epo.org/law-practice/case-law-appeals/recent/t880155eu1.html
Date retrieved: 17 May 2021