The weekly litigation news digest is live. Subscribe now
The patent EP3429844 was granted to Saint Gobain on Apr 9, 2025. The application was filed on Mar 1, 2017 under application number EP17707069A. 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 |
|---|---|---|---|
| AGC GLASS EUROPE | Jul 28, 2021 | AGC GLASS EUROPE | - |
| PILKINGTON GROUP | Jul 27, 2021 | FORTT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102014005977 |
| DESCRIPTION | EP1800855 |
| DESCRIPTION | EP1880243 |
| DESCRIPTION | US2007020465 |
| DESCRIPTION | US2007082219 |
| DESCRIPTION | WO03024155 |
| DESCRIPTION | WO2009071135 |
| DESCRIPTION | WO2013104438 |
| DESCRIPTION | WO2013104439 |
| EXAMINATION | WO2015170771 |
| INTERNATIONAL-SEARCH-REPORT | DE102013012648 |
| INTERNATIONAL-SEARCH-REPORT | EP1800855 |
| INTERNATIONAL-SEARCH-REPORT | US2007020465 |
| INTERNATIONAL-SEARCH-REPORT | WO03024155 |
| INTERNATIONAL-SEARCH-REPORT | WO2009071135 |
| INTERNATIONAL-SEARCH-REPORT | WO2010121986 |
| INTERNATIONAL-SEARCH-REPORT | WO2012073030 |
| INTERNATIONAL-SEARCH-REPORT | WO2015086233 |
| INTERNATIONAL-SEARCH-REPORT | WO2015086234 |
| INTERNATIONAL-SEARCH-REPORT | WO2015134836 |
| OPPOSITION | DE102014005977 |
| OPPOSITION | EP1800855 |
| OPPOSITION | US2004016738 |
| OPPOSITION | US2006210776 |
| OPPOSITION | US2007082219 |
| OPPOSITION | WO03024155 |
| OPPOSITION | WO2015134836 |
| OPPOSITION | WO2016198678 |
| OPPOSITION | WO2017157660 |
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
Get instant alerts for new documents
Mar 13, 2025
Mar 13, 2025
Mar 13, 2025
Feb 28, 2025
Feb 28, 2025
Feb 28, 2025
Feb 28, 2025
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
Nov 22, 2024
Nov 11, 2024
Nov 11, 2024
Nov 11, 2024
Nov 11, 2024
Nov 5, 2024
Nov 5, 2024
Nov 5, 2024
Nov 5, 2024
Oct 28, 2024
Oct 26, 2024
(Electronic) Receipt
Appeal
Oct 26, 2024
Oct 26, 2024
Oct 24, 2024
Oct 24, 2024
Oct 24, 2024
Oct 24, 2024
Oct 24, 2024
Oct 23, 2024
(Electronic) Receipt
Appeal
Oct 23, 2024
Oct 23, 2024
Oct 4, 2024
Oct 4, 2024
Oct 4, 2024
Sep 27, 2024
Sep 27, 2024
Sep 25, 2024
(Electronic) Receipt
Appeal
Sep 25, 2024
Sep 25, 2024
Jul 17, 2024
Jul 17, 2024
Jul 12, 2024
(Electronic) Receipt
Appeal
Jul 12, 2024
Jul 12, 2024
Jul 12, 2024
Jul 12, 2024
Jul 12, 2024
Jul 12, 2024
Jul 12, 2024
Jul 12, 2024
Jul 12, 2024
Jul 12, 2024
Jul 12, 2024
Jul 12, 2024
Jul 12, 2024
Jul 12, 2024
Jul 12, 2024
Jul 12, 2024
Jul 12, 2024
Jul 12, 2024
Jul 12, 2024
Jul 12, 2024
Jul 12, 2024
Jul 12, 2024
Jul 12, 2024
Jul 12, 2024
Jul 12, 2024
Jul 12, 2024
Jul 12, 2024
Jul 12, 2024
May 27, 2024
May 27, 2024
May 27, 2024
May 24, 2024
May 24, 2024
May 21, 2024
(Electronic) Receipt
Appeal
May 21, 2024
May 21, 2024
May 6, 2024
May 6, 2024
May 6, 2024
Mar 7, 2024
Mar 7, 2024
Mar 5, 2024
(Electronic) Receipt
Appeal
Mar 5, 2024
Mar 5, 2024
Feb 5, 2024
Feb 5, 2024
Feb 5, 2024
Feb 1, 2024
Nov 30, 2023
Sep 19, 2023
Sep 19, 2023
Sep 14, 2023
(Electronic) Receipt
Appeal
Sep 14, 2023
Sep 14, 2023
Sep 14, 2023
Sep 14, 2023
Sep 14, 2023
Sep 14, 2023
Sep 14, 2023
Sep 14, 2023
Sep 14, 2023
Sep 14, 2023
Sep 14, 2023
Sep 14, 2023
Sep 14, 2023
Sep 14, 2023
Sep 14, 2023
Sep 14, 2023
Sep 14, 2023
Sep 14, 2023
Sep 14, 2023
Sep 14, 2023
Sep 14, 2023
Sep 14, 2023
Sep 14, 2023
Sep 14, 2023
Sep 14, 2023
Sep 14, 2023
Sep 14, 2023
Sep 14, 2023
Reply to appeal
Appeal
May 4, 2023
May 4, 2023
Apr 28, 2023
(Electronic) Receipt
Appeal
Apr 28, 2023
Apr 28, 2023
Mar 1, 2023
Mar 1, 2023
Mar 1, 2023
Feb 22, 2023
(Electronic) Receipt
Appeal
Feb 22, 2023
Feb 22, 2023
Notice of appeal
Appeal
Jan 13, 2023
Jan 13, 2023
Jan 13, 2023
Jan 9, 2023
Jan 3, 2023
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Means of redress
OPPO
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 23, 2022
Dec 16, 2022
Nov 30, 2022
Nov 30, 2022
Nov 25, 2022
Nov 25, 2022
Nov 25, 2022
Oct 26, 2022
Oct 26, 2022
Oct 18, 2022
Oct 18, 2022
Oct 18, 2022
Oct 13, 2022
Oct 13, 2022
Oct 13, 2022
Oct 13, 2022
Oct 10, 2022
Oct 10, 2022
Oct 10, 2022
Oct 10, 2022
Oct 10, 2022
Oct 7, 2022
Oct 7, 2022
Oct 7, 2022
Oct 7, 2022
Oct 7, 2022
Sep 30, 2022
Sep 30, 2022
Sep 30, 2022
Sep 30, 2022
Sep 30, 2022
Sep 30, 2022
Sep 30, 2022
Sep 30, 2022
Sep 30, 2022
Sep 30, 2022
Sep 30, 2022
Sep 30, 2022
Sep 30, 2022
Sep 30, 2022
Sep 30, 2022
Sep 30, 2022
Sep 30, 2022
Sep 30, 2022
Sep 30, 2022
Sep 30, 2022
Sep 30, 2022
Sep 30, 2022
Sep 30, 2022
Sep 23, 2022
Sep 23, 2022
Sep 16, 2022
Sep 16, 2022
Sep 16, 2022
Jun 23, 2022
Jun 23, 2022
Jun 23, 2022
Apr 8, 2022
Apr 7, 2022
Apr 4, 2022
Apr 4, 2022
Apr 4, 2022
Apr 4, 2022
Apr 4, 2022
Apr 4, 2022
Apr 4, 2022
Apr 4, 2022
Apr 4, 2022
Dec 16, 2021
Dec 16, 2021
Dec 16, 2021
Dec 16, 2021
Dec 13, 2021
Dec 13, 2021
Dec 13, 2021
Dec 13, 2021
Dec 13, 2021
Dec 13, 2021
Aug 12, 2021
Aug 12, 2021
Aug 12, 2021
Aug 2, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 28, 2021
Jul 27, 2021
Jul 27, 2021
Jul 27, 2021
Jul 27, 2021
Jul 27, 2021
Jul 27, 2021
Jul 27, 2021
Jul 27, 2021
Jul 27, 2021
Jul 27, 2021
Jul 27, 2021
Nov 9, 2020
Oct 1, 2020
Decision to grant a European patent
Search/Exam
Sep 18, 2020
(Electronic) Receipt
Search/Exam
Sep 18, 2020
English translation of the claims
Search/Exam
Sep 18, 2020
French translation of claims
Search/Exam
Sep 18, 2020
Letter accompanying subsequently filed items
Search/Exam
Jun 8, 2020
Jun 8, 2020
Jun 8, 2020
Intention to grant (signatures)
Search/Exam
Jun 8, 2020
Text intended for grant (clean copy)
Search/Exam
Jun 8, 2020
May 11, 2020
May 5, 2020
Letter accompanying subsequently filed items
Search/Exam
May 5, 2020
May 5, 2020
Feb 14, 2020
(Electronic) Receipt
Search/Exam
Feb 14, 2020
Amended claims with annotations
Search/Exam
Feb 14, 2020
Amended description with annotations
Search/Exam
Feb 14, 2020
Claims
Search/Exam
Feb 14, 2020
Description
Search/Exam
Feb 14, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 14, 2020
Dec 13, 2019
Annex to the communication
Search/Exam
Dec 13, 2019
Communication from the Examining Division
Search/Exam
Nov 29, 2019
Examination started
Search/Exam
Apr 24, 2019
(Electronic) Receipt
Search/Exam
Apr 24, 2019
Apr 24, 2019
Amended claims with annotations
Search/Exam
Apr 24, 2019
Amendments received before examination
Search/Exam
Apr 24, 2019
Letter accompanying subsequently filed items
Search/Exam
Jan 4, 2019
Nov 14, 2018
(Electronic) Receipt
Search/Exam
Nov 14, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 24, 2018
Oct 22, 2018
Communication to designated inventor
Search/Exam
Oct 22, 2018
Communication to designated inventor
Search/Exam
Oct 17, 2018
Priority search results copy provided by EPO
Search/Exam
Oct 3, 2018
Sep 3, 2018
(Electronic) Receipt
Search/Exam
Sep 3, 2018
Request for entry into the European phase
Search/Exam
Jul 25, 2018
Information on entry into European phase
Search/Exam
Oct 10, 2017
Sep 21, 2017
Copy of the international search report
Search/Exam
Sep 21, 2017
Copy of the international search report
Search/Exam
Sep 21, 2017
Published international application - A1
Search/Exam
May 23, 2017
May 23, 2017
May 23, 2017
Mar 7, 2017
Mar 1, 2017
(Electronic) Receipt
PCTRO
Mar 1, 2017
Abstract
PCTRO
Mar 1, 2017
Claims
PCTRO
Mar 1, 2017
Description
PCTRO
Mar 1, 2017
Mar 1, 2017
Drawings
PCTRO
Mar 1, 2017
Mar 1, 2017