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The patent EP3684613 was granted to Guardian Glass on Sep 25, 2024. The application was filed on Sep 18, 2018 under application number EP18786098A. 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 |
|---|---|---|---|
| PILKINGTON GROUP | Jun 25, 2025 | MARSH | ADMISSIBLE |
| ARCON FLACH UND SICHERHEITSGLAS & COKG | Jun 24, 2025 | EPPING HERMANN FISCHER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US3682528 |
| DESCRIPTION | US4898790 |
| DESCRIPTION | US4965121 |
| DESCRIPTION | US5156894 |
| DESCRIPTION | US5306547 |
| DESCRIPTION | US5308662 |
| DESCRIPTION | US5514476 |
| DESCRIPTION | US5557462 |
| DESCRIPTION | US5563734 |
| DESCRIPTION | US5784853 |
| DESCRIPTION | US5800933 |
| DESCRIPTION | US5837108 |
| DESCRIPTION | US5902505 |
| DESCRIPTION | US5935702 |
| DESCRIPTION | US6014872 |
| DESCRIPTION | US6030671 |
| DESCRIPTION | US6576349 |
| DESCRIPTION | US6632491 |
| DESCRIPTION | US7153579 |
| DESCRIPTION | US7217461 |
| DESCRIPTION | US7267879 |
| DESCRIPTION | US8114488 |
| DESCRIPTION | US9650290 |
| EXAMINATION | DE202008002287U |
| EXAMINATION | DE20215573U |
| EXAMINATION | US2011300319 |
| EXAMINATION | US2013087720 |
| EXAMINATION | US2017208796 |
| INTERNATIONAL-SEARCH-REPORT | US2012293862 |
| INTERNATIONAL-SEARCH-REPORT | US2012327499 |
| INTERNATIONAL-SEARCH-REPORT | US2015345206 |
| INTERNATIONAL-SEARCH-REPORT | US2017020123 |
| INTERNATIONAL-SEARCH-REPORT | US9499438 |
| INTERNATIONAL-SEARCH-REPORT | WO2016198901 |
| INTERNATIONAL-SEARCH-REPORT | WO2017011268 |
| OPPOSITION | DE102011103132 |
| OPPOSITION | DE1434175 |
| OPPOSITION | EP2093052 |
| OPPOSITION | US2013003208 |
| OPPOSITION | US2015321453 |
| OPPOSITION | US2015345206 |
| OPPOSITION | WO2011028254 |
| OPPOSITION | WO2015183681 |
| OPPOSITION | WO2016056460 |
| OPPOSITION | WO2016198901 |
| OPPOSITION | WO2017011268 |
| OPPOSITION | WO2019055953 |
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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Aug 16, 2024
(Electronic) Receipt
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Aug 16, 2024
Filing of the translations of the claims
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Aug 16, 2024
French translation of claims
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Aug 16, 2024
German translation of the claims
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Aug 16, 2024
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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Apr 24, 2024
Text intended for grant (clean copy)
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Apr 24, 2024
Oct 18, 2021
(Electronic) Receipt
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Oct 18, 2021
Amended claims with annotations
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Oct 18, 2021
Claims
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Oct 18, 2021
Letter accompanying subsequently filed items
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Oct 18, 2021
Jun 30, 2021
Annex to the communication
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Jun 30, 2021
Communication from the Examining Division
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Jun 22, 2021
Examination started
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Jan 21, 2021
Document concerning representation
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Jan 5, 2021
(Electronic) Receipt
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Jan 5, 2021
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Amended claims with annotations
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Jan 5, 2021
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Amendments received before examination
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Jan 5, 2021
Letter accompanying subsequently filed items
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Dec 16, 2020
Communication to designated inventor
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Dec 11, 2020
(Electronic) Receipt
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Dec 11, 2020
Designation of inventor
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Dec 11, 2020
Letter accompanying subsequently filed items
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Aug 26, 2020
Aug 20, 2020
Letter which had not been notified
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Jul 1, 2020
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Jun 16, 2020
Notice on debiting of fees
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Apr 24, 2020
Communication to designated inventor
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Apr 24, 2020
Communication to designated inventor
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Communication to designated inventor
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Apr 24, 2020
Communication to designated inventor
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Apr 9, 2020
Apr 1, 2020
(Electronic) Receipt
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Apr 1, 2020
Request for entry into the European phase
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Jan 24, 2020
Information on entry into European phase
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Apr 11, 2019
Mar 21, 2019
Copy of the international search report
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Mar 21, 2019
Published international application - A1
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Dec 13, 2018
ISR: cited documents
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Annex
PCTISA
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Abstract
PCTISA
Oct 12, 2018
Annex
PCTISA
Oct 12, 2018
Claims
PCTISA
Oct 12, 2018
Description
PCTISA
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PCTISA
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