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The patent EP3379899 was granted to Central Glass on Apr 9, 2025. The application was filed on Mar 21, 2018 under application number EP18163070A. 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 | Jul 28, 2021 | GEBAUER | - |
| AGC GLASS EUROPE | Jul 27, 2021 | AGC GLASS EUROPE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2016296569 |
| DESCRIPTION | US8816214 |
| DESCRIPTION | WO2007110610 |
| OPPOSITION | CA2884777 |
| OPPOSITION | CA2984056 |
| OPPOSITION | DE102006017675 |
| OPPOSITION | DE202016008092U |
| OPPOSITION | GB1163224 |
| OPPOSITION | WO2007110610 |
| OPPOSITION | WO2011107341 |
| OPPOSITION | WO2011107342 |
| OPPOSITION | WO2012152543 |
| OPPOSITION | WO2014040773 |
| OPPOSITION | WO2014040774 |
| OPPOSITION | WO2014079595 |
| OPPOSITION | WO2016096248 |
| SEARCH | CA2984056 |
| SEARCH | DE202016008092U |
| SEARCH | EP2683033 |
| SEARCH | US2015264800 |
| SEARCH | WO2016096248 |
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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Mar 13, 2025
Mar 13, 2025
Mar 13, 2025
Mar 6, 2025
Mar 6, 2025
Mar 6, 2025
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Jan 3, 2025
Refund of fees
Appeal
Jan 2, 2025
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Jan 2, 2025
Dec 23, 2024
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Nov 14, 2024
(Electronic) Receipt
Appeal
Nov 14, 2024
Nov 14, 2024
Withdrawal of an appeal
Appeal
Feb 16, 2024
Feb 16, 2024
Feb 16, 2024
Sep 25, 2023
Aug 3, 2023
Aug 3, 2023
Jul 21, 2023
(Electronic) Receipt
Appeal
Jul 21, 2023
Jul 21, 2023
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Jul 21, 2023
Reply to appeal
Appeal
Mar 13, 2023
Mar 13, 2023
Feb 28, 2023
(Electronic) Receipt
Appeal
Feb 28, 2023
Feb 28, 2023
Nov 29, 2022
Nov 29, 2022
Nov 29, 2022
Nov 21, 2022
(Electronic) Receipt
Appeal
Nov 21, 2022
Nov 21, 2022
Notice of appeal
Appeal
Nov 7, 2022
Oct 27, 2022
Oct 27, 2022
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Means of redress
OPPO
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Nov 9, 2020
Oct 1, 2020
Decision to grant a European patent
Search/Exam
Sep 17, 2020
(Electronic) Receipt
Search/Exam
Sep 17, 2020
Filing of the translations of the claims
Search/Exam
Sep 17, 2020
French translation of claims
Search/Exam
Sep 17, 2020
German translation of the claims
Search/Exam
Sep 17, 2020
Letter accompanying subsequently filed items
Search/Exam
May 19, 2020
May 19, 2020
May 19, 2020
Intention to grant (signatures)
Search/Exam
May 19, 2020
Text intended for grant (clean copy)
Search/Exam
May 19, 2020
Apr 1, 2020
(Electronic) Receipt
Search/Exam
Apr 1, 2020
Amended description with annotations
Search/Exam
Apr 1, 2020
Description
Search/Exam
Apr 1, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 1, 2020
Mar 19, 2020
Document concerning representation
Search/Exam
Feb 26, 2020
Annex to the communication
Search/Exam
Feb 26, 2020
Communication from the Examining Division
Search/Exam
Feb 13, 2020
Examination started
Search/Exam
Jan 30, 2019
(Electronic) Receipt
Search/Exam
Jan 30, 2019
Jan 30, 2019
Amended claims with annotations
Search/Exam
Jan 30, 2019
Amendments received before examination
Search/Exam
Jan 30, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 20, 2018
Dec 14, 2018
Dec 13, 2018
Oct 1, 2018
Aug 29, 2018
Notification of forthcoming publication
Search/Exam
Aug 2, 2018
Aug 2, 2018
European search opinion
Search/Exam
Aug 2, 2018
European search report
Search/Exam
Aug 2, 2018
Information on Search Strategy
Search/Exam
Jul 23, 2018
Search started
Search/Exam
May 30, 2018
Communication to designated inventor
Search/Exam
Apr 16, 2018
Letter concerning the priority
Search/Exam
Apr 16, 2018
Priority document
Search/Exam
Mar 21, 2018
Abstract
Search/Exam
Mar 21, 2018
Mar 21, 2018
Claims
Search/Exam
Mar 21, 2018
Description
Search/Exam
Mar 21, 2018
Designation of inventor
Search/Exam
Mar 21, 2018
Drawings
Search/Exam
Mar 21, 2018
Request for grant of a European patent
Search/Exam
Mar 21, 2018
Submission concerning representation
Search/Exam