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The patent EP3296282 was granted to Central Glass on Jul 29, 2020. The application was filed on May 27, 2016 under application number EP16803229A. 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 |
|---|---|---|---|
| ARKEMA FRANCE | Apr 29, 2021 | BANDPAY & GREUTER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | JP2000095714 |
| INTERNATIONAL-SEARCH-REPORT | JP2010083818 |
| INTERNATIONAL-SEARCH-REPORT | JP2010536777 |
| INTERNATIONAL-SEARCH-REPORT | JPS6036429 |
| INTERNATIONAL-SEARCH-REPORT | WO2010082662 |
| INTERNATIONAL-SEARCH-REPORT | WO2013099856 |
| INTERNATIONAL-SEARCH-REPORT | WO9402243 |
| OPPOSITION | EP1116706 |
| OPPOSITION | EP1900716 |
| OPPOSITION | EP2341040 |
| OPPOSITION | EP2778150 |
| OPPOSITION | US2010256426 |
| OPPOSITION | US2013253234 |
| OPPOSITION | US2014305161 |
| OPPOSITION | US2015112103 |
| OPPOSITION | WO2008030443 |
| OPPOSITION | WO2010059496 |
| OPPOSITION | WO2010068715 |
| SEARCH | US2015112103 |
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.
Date
Description
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Jan 9, 2026
Jan 7, 2026
(Electronic) Receipt
Appeal
Jan 7, 2026
Jan 7, 2026
Dec 23, 2025
Dec 23, 2025
Dec 22, 2025
(Electronic) Receipt
Appeal
Dec 22, 2025
Dec 22, 2025
Dec 19, 2025
(Electronic) Receipt
Appeal
Dec 19, 2025
Dec 19, 2025
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Sep 3, 2025
Aug 12, 2025
Aug 12, 2025
Aug 12, 2025
Aug 12, 2025
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Jul 8, 2025
Jul 8, 2025
Jul 2, 2025
(Electronic) Receipt
Appeal
Jul 2, 2025
Jul 2, 2025
May 30, 2025
Apr 28, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 22, 2025
Apr 15, 2025
(Electronic) Receipt
Appeal
Apr 15, 2025
Apr 15, 2025
Mar 27, 2025
Mar 24, 2025
Mar 24, 2025
Mar 21, 2025
(Electronic) Receipt
Appeal
Mar 21, 2025
Mar 21, 2025
Jan 16, 2025
Jan 16, 2025
Oct 17, 2024
Oct 16, 2024
Oct 15, 2024
(Electronic) Receipt
Appeal
Oct 15, 2024
Oct 15, 2024
Oct 14, 2024
(Electronic) Receipt
Appeal
Oct 14, 2024
Oct 14, 2024
Oct 4, 2024
Oct 4, 2024
Sep 30, 2024
Sep 20, 2024
Sep 17, 2024
(Electronic) Receipt
Appeal
Sep 17, 2024
General enquiry
Appeal
Sep 17, 2024
Aug 13, 2024
Jul 18, 2024
Jul 12, 2024
(Electronic) Receipt
Appeal
Jul 12, 2024
Jul 12, 2024
Apr 3, 2024
Mar 27, 2024
(Electronic) Receipt
Appeal
Mar 27, 2024
Mar 27, 2024
Claims
Appeal
Mar 27, 2024
Mar 27, 2024
Jan 23, 2024
Letter accompanying subsequently filed items
Search/Exam
Dec 7, 2023
Dec 1, 2023
(Electronic) Receipt
Appeal
Dec 1, 2023
Dec 1, 2023
Sep 4, 2023
Aug 30, 2023
(Electronic) Receipt
Appeal
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
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Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
Aug 30, 2023
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Aug 30, 2023
Aug 30, 2023
Reply to appeal
Appeal
Apr 20, 2023
Apr 16, 2023
(Electronic) Receipt
Appeal
Apr 16, 2023
Apr 16, 2023
Feb 10, 2023
Feb 10, 2023
Feb 3, 2023
(Electronic) Receipt
Appeal
Feb 3, 2023
Feb 3, 2023
Notice of appeal
Appeal
Jan 2, 2023
Dec 16, 2022
Dec 15, 2022
Dec 12, 2022
Dec 12, 2022
Dec 12, 2022
Dec 12, 2022
Dec 12, 2022
Dec 12, 2022
Dec 12, 2022
Means of redress
OPPO
Dec 12, 2022
Dec 12, 2022
Dec 12, 2022
Dec 12, 2022
Dec 12, 2022
Dec 12, 2022
Dec 12, 2022
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Jul 28, 2022
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Apr 29, 2022
Apr 29, 2022
Dec 7, 2021
Nov 29, 2021
Nov 26, 2021
Nov 26, 2021
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Oct 5, 2021
Sep 29, 2021
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May 19, 2021
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May 4, 2021
Apr 29, 2021
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Apr 29, 2021
Apr 29, 2021
Apr 29, 2021
Apr 29, 2021
Aug 10, 2020
Jul 2, 2020
Decision to grant a European patent
Search/Exam
Jun 16, 2020
(Electronic) Receipt
Search/Exam
Jun 16, 2020
Filing of the translations of the claims
Search/Exam
Jun 16, 2020
French translation of claims
Search/Exam
Jun 16, 2020
German translation of the claims
Search/Exam
Jun 16, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 17, 2020
Mar 17, 2020
Mar 17, 2020
Intention to grant (signatures)
Search/Exam
Mar 17, 2020
Text intended for grant (clean copy)
Search/Exam
Mar 17, 2020
Feb 24, 2020
Examination started
Search/Exam
Apr 3, 2019
(Electronic) Receipt
Search/Exam
Apr 3, 2019
Apr 3, 2019
Amended claims with annotations
Search/Exam
Apr 3, 2019
Apr 3, 2019
Amended description with annotations
Search/Exam
Apr 3, 2019
Amendments received before examination
Search/Exam
Apr 3, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 3, 2019
Maintenance of the application
Search/Exam
Feb 18, 2019
Submission concerning representation
Search/Exam
Feb 5, 2019
Jan 17, 2019
Jan 17, 2019
European search opinion
Search/Exam
Jan 17, 2019
Information on Search Strategy
Search/Exam
Jan 17, 2019
Supplementary European search report
Search/Exam
Dec 10, 2018
Search started
Search/Exam
Feb 21, 2018
Notification of forthcoming publication
Search/Exam
Jan 11, 2018
Jan 11, 2018
Reply by International Bureau
Search/Exam
Jan 11, 2018
Jan 11, 2018
Jan 4, 2018
Jan 2, 2018
Communication to designated inventor
Search/Exam
Jan 2, 2018
Communication to designated inventor
Search/Exam
Jan 2, 2018
Communication to designated inventor
Search/Exam
Jan 2, 2018
Communication to designated inventor
Search/Exam
Jan 2, 2018
Communication to designated inventor
Search/Exam
Dec 22, 2017
Communication to designated inventor
Search/Exam
Dec 22, 2017
Communication to designated inventor
Search/Exam
Dec 22, 2017
Communication to designated inventor
Search/Exam
Dec 22, 2017
Communication to designated inventor
Search/Exam
Dec 22, 2017
Communication to designated inventor
Search/Exam
Dec 22, 2017
Enquiry with the International Bureau
Search/Exam
Dec 21, 2017
Dec 21, 2017
Dec 8, 2017
(Electronic) Receipt
Search/Exam
Dec 8, 2017
Abstract
Search/Exam
Dec 8, 2017
Dec 8, 2017
Amended claims with annotations
Search/Exam
Dec 8, 2017
Claims
Search/Exam
Dec 8, 2017
Description
Search/Exam
Dec 8, 2017
Drawings
Search/Exam
Dec 8, 2017
Matter concerning the application
Search/Exam
Dec 8, 2017
Request for entry into the European phase
Search/Exam
Oct 13, 2017
Information on entry into European phase
Search/Exam
Jan 2, 2017
Jan 2, 2017
Dec 8, 2016
Copy of the international search report
Search/Exam
Dec 8, 2016
Dec 8, 2016
International publication pamphlet
Search/Exam