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The patent EP3052731 was granted to Saint Gobain on Jun 19, 2024. The application was filed on Aug 22, 2014 under application number EP14753266A. 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 |
|---|---|---|---|
| TECHNOFORM GLASS INSULATION HOLDING | Jan 10, 2019 | KRAMER BARSKE SCHMIDTCHEN PATENTANWALTE PARTG MBB | ADMISSIBLE |
| ENSINGER | Jan 8, 2019 | HOEGER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE19805348 |
| INTERNATIONAL-SEARCH-REPORT | DE19807454 |
| INTERNATIONAL-SEARCH-REPORT | EP2628884 |
| INTERNATIONAL-SEARCH-REPORT | WO2013104507 |
| OPPOSITION | DE102012105960 |
| OPPOSITION | DE19807454 |
| OPPOSITION | WO9941481 |
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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Jul 11, 2024
Jul 11, 2024
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Jul 3, 2024
(Electronic) Receipt
Appeal
Jul 3, 2024
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Refund of fees
Appeal
Feb 22, 2024
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Jan 8, 2024
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(Electronic) Receipt
Appeal
Dec 15, 2023
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Aug 1, 2023
(Electronic) Receipt
Appeal
Aug 1, 2023
Advice of delivery
Appeal
Aug 1, 2023
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(Electronic) Receipt
Appeal
Sep 13, 2022
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Claims
Appeal
Sep 13, 2022
Claims
Appeal
Sep 13, 2022
Claims
Appeal
Sep 13, 2022
Claims
Appeal
Sep 13, 2022
Claims
Appeal
Sep 13, 2022
Claims
Appeal
Sep 13, 2022
Claims
Appeal
Sep 13, 2022
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Reply to appeal
Appeal
Sep 9, 2022
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Sep 6, 2022
(Electronic) Receipt
Appeal
Sep 6, 2022
Sep 6, 2022
Reply to appeal
Appeal
May 3, 2022
Apr 28, 2022
(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Feb 24, 2022
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(Electronic) Receipt
Appeal
Feb 23, 2022
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Notice of appeal
Appeal
Feb 14, 2022
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(Electronic) Receipt
Appeal
Jan 26, 2022
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Notice of appeal
Appeal
Jan 11, 2022
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Apr 23, 2018
Mar 15, 2018
Decision to grant a European patent
Search/Exam
Feb 27, 2018
(Electronic) Receipt
Search/Exam
Feb 27, 2018
English translation of the claims
Search/Exam
Feb 27, 2018
French translation of claims
Search/Exam
Feb 27, 2018
Letter accompanying subsequently filed items
Search/Exam
Feb 9, 2018
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Intention to grant (signatures)
Search/Exam
Feb 9, 2018
Text intended for grant (clean copy)
Search/Exam
Feb 9, 2018
Jan 15, 2018
Examination started
Search/Exam
Oct 11, 2016
(Electronic) Receipt
Search/Exam
Oct 11, 2016
Oct 11, 2016
Amended claims with annotations
Search/Exam
Oct 11, 2016
Amendments received before examination
Search/Exam
Oct 11, 2016
Letter accompanying subsequently filed items
Search/Exam
Jul 13, 2016
May 12, 2016
May 5, 2016
Priority search results copy provided by EPO
Search/Exam
May 4, 2016
Communication to designated inventor
Search/Exam
May 4, 2016
Communication to designated inventor
Search/Exam
May 4, 2016
Communication to designated inventor
Search/Exam
Apr 19, 2016
Feb 10, 2016
(Electronic) Receipt
Search/Exam
Feb 10, 2016
Request for entry into the European phase
Search/Exam
Feb 5, 2016
Information on entry into European phase
Search/Exam
Apr 21, 2015
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Copy of the international search report
Search/Exam
Apr 2, 2015
Copy of the international search report
Search/Exam
Apr 2, 2015
Published international application - A1
Search/Exam
Oct 3, 2014
Oct 3, 2014
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Aug 22, 2014
(Electronic) Receipt
PCTRO
Aug 22, 2014
Abstract
PCTRO
Aug 22, 2014
Claims
PCTRO
Aug 22, 2014
Description
PCTRO
Aug 22, 2014
Drawings
PCTRO
Aug 22, 2014