| European Case Law Identifier: | ECLI:EP:BA:1998:T007295.19980318 | 
| Date of decision: | 18 March 1998 | 
| Case number: | T 0072/95 | 
| Application number: | 87902762.1 | 
| IPC class: | C02F 1/48 | 
| Language of proceedings: | EN | 
| Distribution: | B | 
| Download and more information: |  | 
| Title of application: | Method and device for ionizing liquid | 
| Applicant name: | Ibbott, Jack Kenneth | 
| Opponent name: | Ion Enterprises Ltd Ibbott, Jack Kenneth
 | 
| Board: | 3.3.05 | 
| Headnote: | - | 
| Relevant legal provisions: |  | 
| Keywords: | Inventive step - (no) - non-functional modification | 
| Catchwords: | 
			The Board of Appeal is under the obligation to appreciate the existence of a technical function alleged to be relevant to inventive step. If a known device is modified by adding a feature which has no technical function, this modification cannot contribute to inventive step (point 5.4).
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| Cited decisions: |  | 
| Citing decisions: |  | 
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EPO Guidelines - G Patentability
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Case Law Book: I Patentability
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General Case Law
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