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The patent EP3521015 was granted to Pilkington Automotive on Sep 6, 2023. The application was filed on Jul 9, 2004 under application number EP18209452A. 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 |
|---|---|---|---|
| SAINT GOBAIN | Jun 5, 2024 | SAINT GOBAIN RECHERCHE | ADMISSIBLE |
| AGC GLASS EUROPE | Feb 19, 2024 | 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 | EP1004550 |
| DESCRIPTION | US6538192 |
| EXAMINATION | EP1060873 |
| EXAMINATION | EP1060876 |
| EXAMINATION | US6010775 |
| OPPOSITION | EP0802168 |
| OPPOSITION | EP1060876 |
| OPPOSITION | FR2660921 |
| OPPOSITION | US4584236 |
| OPPOSITION | US6010775 |
| OPPOSITION | US6538192 |
| OPPOSITION | WO0102167 |
| OTHER | EP1013620 |
| OTHER | EP1060876 |
| OTHER | FR2738240 |
| OTHER | US4584236 |
| OTHER | US6010775 |
| OTHER | US6538192 |
| SEARCH | JPS6463419 |
| SEARCH | US5154953 |
| SEARCH | US5418025 |
| SEARCH | US6084702 |
| SEARCH | US6387515 |
| SEARCH | US6538192 |
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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Aug 10, 2023
Decision to grant a European patent
Search/Exam
Jun 21, 2023
Jun 21, 2023
Jun 15, 2023
(Electronic) Receipt
Search/Exam
Jun 15, 2023
Annexes in respect of a client data request
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Jun 15, 2023
Annexes in respect of a client data request
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Jun 15, 2023
Filing of the translations of the claims
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Jun 15, 2023
French translation of claims
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Jun 15, 2023
German translation of the claims
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Jun 15, 2023
Letter accompanying subsequently filed items
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Feb 22, 2023
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Intention to grant (signatures)
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Feb 22, 2023
Text intended for grant (clean copy)
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Feb 22, 2023
Dec 2, 2022
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Nov 24, 2022
Non-patent literature filed by a third party
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Nov 24, 2022
Observations by third parties
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Nov 24, 2022
Patent document filed by a Third party
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Nov 24, 2022
Patent document filed by a Third party
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Nov 24, 2022
Patent document filed by a Third party
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Aug 19, 2022
(Electronic) Receipt
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Aug 19, 2022
Amended claims with annotations
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Aug 19, 2022
Amended description with annotations
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Aug 19, 2022
Claims
Search/Exam
Aug 19, 2022
Description
Search/Exam
Aug 19, 2022
Letter accompanying subsequently filed items
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Aug 19, 2022
Jun 20, 2022
Jun 10, 2022
(Electronic) Receipt
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Jun 10, 2022
Letter accompanying subsequently filed items
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Jun 10, 2022
Feb 11, 2022
Annex to the communication
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Feb 11, 2022
Communication from the Examining Division
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Nov 15, 2021
Nov 15, 2021
Nov 9, 2021
Citation filed by a third party
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Nov 9, 2021
Citation filed by a third party
Search/Exam
Nov 9, 2021
Observations by third parties
Search/Exam
Nov 8, 2021
(Electronic) Receipt
Search/Exam
Nov 8, 2021
Amended claims with annotations
Search/Exam
Nov 8, 2021
Amended description with annotations
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Nov 8, 2021
Claims
Search/Exam
Nov 8, 2021
Description
Search/Exam
Nov 8, 2021
Letter accompanying subsequently filed items
Search/Exam
Nov 8, 2021
Jul 7, 2021
Jul 6, 2021
Jun 30, 2021
(Electronic) Receipt
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Jun 30, 2021
(Electronic) Receipt
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Jun 30, 2021
Letter accompanying subsequently filed items
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Jun 30, 2021
Letter accompanying subsequently filed items
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Jun 30, 2021
Jun 30, 2021
Apr 30, 2021
Annex to the communication
Search/Exam
Apr 30, 2021
Communication from the Examining Division
Search/Exam
Apr 27, 2021
Examination started
Search/Exam
Feb 7, 2020
(Electronic) Receipt
Search/Exam
Feb 7, 2020
Feb 7, 2020
Amended claims with annotations
Search/Exam
Feb 7, 2020
Amendments received before examination
Search/Exam
Feb 7, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 12, 2019
Jul 16, 2019
Refund of fees
Search/Exam
Jul 10, 2019
Notification of forthcoming publication
Search/Exam
Jul 8, 2019
Jul 8, 2019
Jul 8, 2019
European search opinion
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Jul 8, 2019
European search report
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Jul 8, 2019
Information on Search Strategy
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Jun 24, 2019
Search started
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Feb 25, 2019
Communication to designated inventor
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Feb 25, 2019
Communication to designated inventor
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Nov 30, 2018
(Electronic) Receipt
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Nov 30, 2018
Abstract
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Nov 30, 2018
Nov 30, 2018
Claims
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Nov 30, 2018
Description
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Nov 30, 2018
Designation of inventor
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Nov 30, 2018
Drawings
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Nov 30, 2018
Letter accompanying subsequently filed items
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Nov 30, 2018
Letter concerning search matters
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Nov 30, 2018
Matter concerning the application
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Nov 30, 2018
Request for grant of a European patent
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Feb 15, 2005
Feb 15, 2005