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The patent EP3047989 was granted to AGC on Dec 27, 2023. The application was filed on Sep 9, 2014 under application number EP14845290A. 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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| SAINT GOBAIN | Mar 12, 2019 | SAINT GOBAIN RECHERCHE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JPH0313662B |
| INTERNATIONAL-SEARCH-REPORT | JP2003211956 |
| INTERNATIONAL-SEARCH-REPORT | JP2007326526 |
| INTERNATIONAL-SEARCH-REPORT | JP2010251230 |
| INTERNATIONAL-SEARCH-REPORT | JP2013100229 |
| INTERNATIONAL-SEARCH-REPORT | JP2013173671 |
| INTERNATIONAL-SEARCH-REPORT | WO2012132897 |
| OPPOSITION | CN202503691U |
| OPPOSITION | US2010253593 |
| OPPOSITION | US2011025584 |
| OPPOSITION | US2011073773 |
| OPPOSITION | WO2007122426 |
| OPPOSITION | WO2013093351 |
| SEARCH | DE102011080154 |
| SEARCH | DE19708610 |
| SEARCH | EP1672588 |
| SEARCH | JPS58164914U |
| SEARCH | US2011025584 |
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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Description
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Nov 30, 2023
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Refund of fees
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Claims
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Feb 14, 2022
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Notice of appeal
Appeal
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Jan 27, 2022
(Electronic) Receipt
Appeal
Jan 27, 2022
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Notice of appeal
Appeal
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Decision to grant a European patent
Search/Exam
Apr 26, 2018
Filing of the translations of the claims
Search/Exam
Apr 26, 2018
French translation of claims
Search/Exam
Apr 26, 2018
German translation of the claims
Search/Exam
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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Feb 2, 2018
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Examination started
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Nov 23, 2017
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Amended claims with annotations
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Nov 23, 2017
Amendments received before examination
Search/Exam
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European search opinion
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Information on Search Strategy
Search/Exam
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Supplementary European search report
Search/Exam
May 11, 2017
Search started
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Amended claims with annotations
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Amended description with annotations
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Jun 29, 2016
Notification of forthcoming publication
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Apr 26, 2016
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Communication to designated inventor
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Mar 3, 2016
Payment of fees and costs
Search/Exam
Feb 26, 2016
Abstract
Search/Exam
Feb 26, 2016
Claims
Search/Exam
Feb 26, 2016
Description
Search/Exam
Feb 26, 2016
Drawings
Search/Exam
Feb 26, 2016
Request for entry into the European phase
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Feb 26, 2016
Request for grant of a European patent
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Jan 29, 2016
Information on entry into European phase
Search/Exam
Apr 14, 2015
Mar 26, 2015
Copy of the international search report
Search/Exam
Mar 26, 2015
Mar 26, 2015
International publication pamphlet
Search/Exam