| European Case Law Identifier: | ECLI:EP:BA:1995:T063192.19950511 | ||||||||
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| Date of decision: | 11 May 1995 | ||||||||
| Case number: | T 0631/92 | ||||||||
| Application number: | 85105534.3 | ||||||||
| IPC class: | E21B 43/22 | ||||||||
| Language of proceedings: | EN | ||||||||
| Distribution: | C | ||||||||
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| Title of application: | Thermally stable mobility control reagents for harsh environment reservoirs | ||||||||
| Applicant name: | AMERICAN CYANAMID COMPANY | ||||||||
| Opponent name: | Allied Colloids Limited Chemische Fabrik Stockhausen GmbH Patentabteilung |
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| Board: | 3.3.03 | ||||||||
| Headnote: | - | ||||||||
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| Keywords: | Novelty (affirmed) - use in required conditions not disclosed Inventive step (affirmed) - interpretation of prior art documents in the light of the technological context of their publication date - prejudice overcome Appeal procedure - filing of amended claims - late stage Amendments - content of the application as originally filed Late filed material Novelty - chemical inventions - overlapping of ranges defined by parameters Inventive step - technical prejudice in the art |
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Source: http://www.epo.org/law-practice/case-law-appeals/recent/t920631eu1.html
Date retrieved: 17 May 2021