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The patent EP3714877 was granted to AGC on Jan 26, 2022. The application was filed on May 28, 2009 under application number EP20164602A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| BECKER | Oct 26, 2022 | BECKER KURIG & PARTNER PATENTANWALTE MBB | WITHDRAWN |
| DE GREGORI | Oct 26, 2022 | - | WITHDRAWN |
| COOKE | Oct 25, 2022 | ELKINGTON AND FIFE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0850926 |
| DESCRIPTION | EP0969846 |
| DESCRIPTION | EP1011728 |
| DESCRIPTION | EP1115406 |
| DESCRIPTION | EP1321144 |
| DESCRIPTION | EP1349580 |
| DESCRIPTION | EP1547599 |
| DESCRIPTION | EP1666043 |
| DESCRIPTION | EP1825855 |
| DESCRIPTION | EP1829545 |
| DESCRIPTION | EP1905453 |
| DESCRIPTION | EP1916002 |
| DESCRIPTION | US2007248697 |
| DESCRIPTION | US5409125 |
| DESCRIPTION | US5614172 |
| DESCRIPTION | US5807892 |
| DESCRIPTION | US5886035 |
| DESCRIPTION | US6096783 |
| DESCRIPTION | US6241124 |
| DESCRIPTION | US6344477 |
| DESCRIPTION | WO2007042262 |
| OPPOSITION | EP1011728 |
| OPPOSITION | EP1321144 |
| OPPOSITION | EP1825855 |
| OPPOSITION | EP1825955 |
| OPPOSITION | EP2127638 |
| OPPOSITION | EP2772249 |
| OPPOSITION | EP3205334 |
| OPPOSITION | US2005287325 |
| OPPOSITION | US2006108384 |
| OPPOSITION | US6241124 |
| OPPOSITION | US9999593 |
| OPPOSITION | WO0003736 |
| OPPOSITION | WO2009145356 |
| SEARCH | EP1321144 |
| SEARCH | EP1825855 |
| SEARCH | WO0003736 |
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
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Decision to grant a European patent
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Jan 3, 2022
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(Electronic) Receipt
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Dec 20, 2021
Filing of the translations of the claims
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Dec 20, 2021
French translation of claims
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Dec 20, 2021
German translation of the claims
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Dec 20, 2021
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Aug 20, 2021
Text intended for grant (clean copy)
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Aug 20, 2021
Jul 13, 2021
Examination started
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Mar 26, 2021
(Electronic) Receipt
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Mar 26, 2021
Letter accompanying subsequently filed items
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Mar 26, 2021
Matter concerning the application
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Oct 5, 2020
Sep 2, 2020
Notification of forthcoming publication
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Aug 19, 2020
Refund of fees
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Aug 11, 2020
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European search opinion
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Aug 11, 2020
European search report
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Aug 11, 2020
Information on Search Strategy
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Jul 27, 2020
Search started
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May 27, 2020
Priority search results copy provided by EPO
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May 26, 2020
(Electronic) Receipt
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May 26, 2020
Claims
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May 26, 2020
Letter accompanying subsequently filed items
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May 26, 2020
Matter concerning the application
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May 19, 2020
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Apr 6, 2020
Invitation to file claims
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Mar 20, 2020
Abstract
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Mar 20, 2020
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Description
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Mar 20, 2020
Designation of inventor
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Mar 20, 2020
Drawings
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Mar 20, 2020
Matter concerning the application
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Mar 20, 2020
Request for grant of a European patent
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Dec 23, 2009