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The patent EP3365174 was granted to Saint Gobain on Oct 25, 2023. The application was filed on Oct 20, 2016 under application number EP16784508A. 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 |
|---|---|---|---|
| EASTMAN CHEMICAL | Jul 25, 2024 | WALLINGER RICKER SCHLOTTER TOSTMANN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0371949 |
| DESCRIPTION | US2002094407 |
| DESCRIPTION | US2007020465 |
| DESCRIPTION | US2007082219 |
| DESCRIPTION | WO03024155 |
| DESCRIPTION | WO2013104438 |
| DESCRIPTION | WO2013104439 |
| EXAMINATION | WO2010119770 |
| INTERNATIONAL-SEARCH-REPORT | EP2216304 |
| INTERNATIONAL-SEARCH-REPORT | EP2261030 |
| INTERNATIONAL-SEARCH-REPORT | EP2325002 |
| INTERNATIONAL-SEARCH-REPORT | EP2647497 |
| INTERNATIONAL-SEARCH-REPORT | US2002094407 |
| INTERNATIONAL-SEARCH-REPORT | US6356236 |
| INTERNATIONAL-SEARCH-REPORT | WO2013131698 |
| INTERNATIONAL-SEARCH-REPORT | WO2015058885 |
| OPPOSITION | US2002094407 |
| OPPOSITION | US2003183322 |
| OPPOSITION | US6410120 |
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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Jun 3, 2025
May 21, 2025
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Information concerning oral proceedings
Search/Exam
May 21, 2025
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Annexes in respect of a client data request
Search/Exam
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Sep 28, 2023
Decision to grant a European patent
Search/Exam
Sep 18, 2023
(Electronic) Receipt
Search/Exam
Sep 18, 2023
English translation of the claims
Search/Exam
Sep 18, 2023
Filing of the translations of the claims
Search/Exam
Sep 18, 2023
French translation of claims
Search/Exam
May 19, 2023
Intention to grant (signatures)
Search/Exam
May 17, 2023
May 17, 2023
May 17, 2023
May 17, 2023
Text intended for grant (clean copy)
Search/Exam
May 17, 2023
Dec 14, 2022
(Electronic) Receipt
Search/Exam
Dec 14, 2022
Amended claims with annotations
Search/Exam
Dec 14, 2022
Amended description with annotations
Search/Exam
Dec 14, 2022
Claims
Search/Exam
Dec 14, 2022
Description
Search/Exam
Dec 14, 2022
Letter accompanying subsequently filed items
Search/Exam
Dec 14, 2022
Oct 26, 2022
Oct 21, 2022
(Electronic) Receipt
Search/Exam
Oct 21, 2022
Letter accompanying subsequently filed items
Search/Exam
Oct 21, 2022
Jun 13, 2022
Annex to a communication
Search/Exam
Jun 13, 2022
Annex to the communication
Search/Exam
Jun 13, 2022
Communication from the Examining Division
Search/Exam
Oct 15, 2021
(Electronic) Receipt
Search/Exam
Oct 15, 2021
Amended claims with annotations
Search/Exam
Oct 15, 2021
Amended description with annotations
Search/Exam
Oct 15, 2021
Claims
Search/Exam
Oct 15, 2021
Description
Search/Exam
Oct 15, 2021
Letter accompanying subsequently filed items
Search/Exam
Oct 15, 2021
Oct 13, 2021
Letter accompanying subsequently filed items
Search/Exam
Aug 23, 2021
Aug 17, 2021
Apr 7, 2021
Annex to the communication
Search/Exam
Apr 7, 2021
Communication from the Examining Division
Search/Exam
Mar 30, 2021
Examination started
Search/Exam
May 11, 2020
May 5, 2020
Letter accompanying subsequently filed items
Search/Exam
May 5, 2020
May 5, 2020
Dec 10, 2018
(Electronic) Receipt
Search/Exam
Dec 10, 2018
(Electronic) Receipt
Search/Exam
Dec 10, 2018
Dec 10, 2018
Dec 10, 2018
Amended claims with annotations
Search/Exam
Dec 10, 2018
Amended claims with annotations
Search/Exam
Dec 10, 2018
Dec 10, 2018
Amended description with annotations
Search/Exam
Dec 10, 2018
Amendments received before examination
Search/Exam
Dec 10, 2018
Amendments received before examination
Search/Exam
Dec 10, 2018
Letter accompanying subsequently filed items
Search/Exam
Dec 10, 2018
Letter accompanying subsequently filed items
Search/Exam
Aug 1, 2018
May 30, 2018
May 28, 2018
Communication to designated inventor
Search/Exam
May 28, 2018
Communication to designated inventor
Search/Exam
May 23, 2018
Priority search results copy provided by EPO
Search/Exam
May 9, 2018
Mar 21, 2018
Information regarding early processing
Search/Exam
Mar 2, 2018
(Electronic) Receipt
Search/Exam
Mar 2, 2018
Information on entry into European phase
Search/Exam
Mar 2, 2018
Request for entry into the European phase
Search/Exam
May 15, 2017
Apr 27, 2017
Copy of the international search report
Search/Exam
Apr 27, 2017
Published international application - A1
Search/Exam
Feb 24, 2017
Payment of fees and costs
Search/Exam
Jan 25, 2017
Jan 12, 2017
ISR: cited documents
PCTISA
Jan 12, 2017
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Nov 3, 2016
Nov 2, 2016
Oct 28, 2016
Oct 20, 2016
(Electronic) Receipt
PCTRO
Oct 20, 2016
Abstract
PCTRO
Oct 20, 2016
Claims
PCTRO
Oct 20, 2016
Description
PCTRO
Oct 20, 2016
Oct 20, 2016
Drawings
PCTRO
Oct 20, 2016
Oct 20, 2016