| European Case Law Identifier: | ECLI:EP:BA:1993:T024691.19930914 | ||||||||
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| Date of decision: | 14 September 1993 | ||||||||
| Case number: | T 0246/91 | ||||||||
| Application number: | 85900903.7 | ||||||||
| IPC class: | C09K 7/02 | ||||||||
| Language of proceedings: | EN | ||||||||
| Distribution: | B | ||||||||
| Download and more information: | 
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| Title of application: | Gel and process for retarding fluid flow | ||||||||
| Applicant name: | Oxy USA Inc. | ||||||||
| Opponent name: | - | ||||||||
| Board: | 3.3.01 | ||||||||
| Headnote: | - | ||||||||
| Relevant legal provisions: | 
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| Keywords: | Inventive step (acknowledged, after amendment) Definition of the technical problem Reasonable number of claims; undue burden on public if number is large  | 
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| Catchwords: | 
 What is a reasonable number of claims (Rule 29(5) EPC) depends on the facts and circumstances of each particular case. In the present application, to construe 157 claims imposes a severe and undue burden on the public (No. 7.2).  | 
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Source: http://www.epo.org/law-practice/case-law-appeals/recent/t910246eu1.html
Date retrieved: 17 May 2021
