The patent EP2966158 was granted to Symrise on Mar 13, 2024. The application was originally filed on Jul 7, 2014 under application number EP14176002A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number | 
|---|---|
| DESCRIPTION | EP0799174 | 
| DESCRIPTION | EP1269983 | 
| DESCRIPTION | US4091090 | 
| DESCRIPTION | WO0241861 | 
| DESCRIPTION | WO03024907 | 
| DESCRIPTION | WO2005004601 | 
| OPPOSITION | DE2111753 | 
| OPPOSITION | EP2662098 | 
| OPPOSITION | US2005085536 | 
| OPPOSITION | US4568470 | 
| OPPOSITION | US5266559 | 
| OPPOSITION | WO2005113533 | 
| OPPOSITION | WO2006008286 | 
| SEARCH | EP0818452 | 
| SEARCH | EP2662098 | 
| SEARCH | US4568470 | 
| SEARCH | WO03037841 | 
| SEARCH | WO2005063670 | 
NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.
| Citation Phase | Reference Text | 
|---|---|
| OPPOSITION | - A. Furstner et al., J. Org. Chem., 1996. 61,3942-3943 | 
| OPPOSITION | - "Other Cycloaliphatic Compounds", H. Surburg, J. Panten,, Common Fragrance and Flavor Materials- Preparation, Properties and Uses 5th ed.,, Wiley-VCH Verlag GmbH & Co., (20060000), page 4pp, 95, ISBN 3-527-31315-X, XP055514758 | 
| OPPOSITION | - A. FÜRSTNER et al., "CONFORMATIONALLY UNBIASED MACROCYCLISATION REACTIONS BY RING CLOSING METATHESIS", JOURNAL OF ORGANIC CHEMISTRY,, (19960000), vol. 61, pages 3942 - 3943, XP002077144 | 
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English translation of the claims
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Notification of forthcoming publication
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Communication to designated inventor
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Jul 7, 2014
Abstract
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Description
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Request for grant of a European patent
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