Patent No. EP2577368 (titled "Solar Control Glazing With Low Solar Factor") was filed by AGC Glass Europe on May 25, 2011. The application was issued on Jul 26, 2023.

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 |
|---|---|---|
| PILKINGTON GROUP | Apr 26, 2024 | CUNNINGTON |
| PILKINGTON GROUP | Apr 26, 2024 | HOPE |
| SAINT GOBAIN | Apr 25, 2024 | SAINT GOBAIN RECHERCHE |
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
Nov 13, 2025
Nov 3, 2025
Nov 3, 2025
Nov 3, 2025
Nov 3, 2025
Nov 3, 2025
Oct 8, 2025
Oct 2, 2025
Jun 30, 2025
Jun 26, 2025
Jun 26, 2025
Jun 26, 2025
Jun 26, 2025
Jun 26, 2025
Jun 26, 2025
Jun 26, 2025
Jun 26, 2025
Jun 26, 2025
Jun 26, 2025
Jun 26, 2025
Jun 26, 2025
Jun 2, 2025
May 30, 2025
May 30, 2025
May 30, 2025
May 30, 2025
May 30, 2025
May 28, 2025
May 28, 2025
May 28, 2025
May 26, 2025
May 26, 2025
May 26, 2025
May 23, 2025
May 23, 2025
May 23, 2025
May 23, 2025
May 23, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 19, 2025
May 16, 2025
May 16, 2025
May 16, 2025
May 16, 2025
Apr 7, 2025
Apr 7, 2025
Apr 7, 2025
Apr 7, 2025
Apr 4, 2025
Apr 4, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 2, 2025
Apr 1, 2025
Apr 1, 2025
Apr 1, 2025
Apr 1, 2025
Apr 1, 2025
Mar 21, 2025
Mar 21, 2025
Mar 19, 2025
Mar 19, 2025
Mar 18, 2025
Mar 18, 2025
Mar 18, 2025
Mar 14, 2025
Mar 14, 2025
Mar 14, 2025
Mar 14, 2025
Mar 14, 2025
Jan 14, 2025
Jan 14, 2025
Jan 13, 2025
Jan 13, 2025
Jan 7, 2025
Jan 7, 2025
Jan 7, 2025
Jan 7, 2025
Jan 7, 2025
Jan 7, 2025
Jan 7, 2025
Dec 19, 2024
Dec 19, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 13, 2024
Dec 13, 2024
Dec 11, 2024
Dec 11, 2024
Dec 11, 2024
Dec 11, 2024
Dec 11, 2024
Sep 19, 2024
Sep 19, 2024
Sep 19, 2024
Sep 19, 2024
Sep 18, 2024
Sep 18, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
Sep 13, 2024
May 15, 2024
May 15, 2024
May 15, 2024
May 3, 2024
May 2, 2024
Apr 26, 2024
Apr 26, 2024
Apr 26, 2024
Apr 26, 2024
Apr 26, 2024
Apr 26, 2024
Apr 26, 2024
Apr 26, 2024
Apr 26, 2024
Apr 26, 2024
Apr 26, 2024
Apr 25, 2024
Apr 25, 2024
Apr 25, 2024
Apr 25, 2024
Apr 25, 2024
Apr 25, 2024
Apr 25, 2024
Apr 25, 2024
Apr 25, 2024
Apr 25, 2024
Apr 25, 2024
Apr 25, 2024
Apr 25, 2024
Apr 25, 2024
Apr 25, 2024
Apr 25, 2024
Apr 25, 2024
Apr 25, 2024
Apr 25, 2024
Apr 25, 2024
Apr 25, 2024
Apr 25, 2024
Apr 25, 2024
Aug 8, 2023
Jun 29, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Jun 21, 2023
Apr 26, 2023
Apr 26, 2023
Apr 26, 2023
Apr 26, 2023
Apr 26, 2023
Apr 26, 2023
Oct 24, 2022
Oct 7, 2022
Oct 7, 2022
Oct 7, 2022
Oct 29, 2021
Oct 29, 2021
Oct 29, 2021
Jul 5, 2021
Jul 5, 2021
Nov 3, 2020
Oct 29, 2020
Oct 29, 2020
May 5, 2020
May 5, 2020
May 5, 2020
May 5, 2020
May 5, 2020
Mar 20, 2020
Mar 16, 2020
Mar 16, 2020
Mar 16, 2020
Nov 14, 2019
Nov 14, 2019
Dec 21, 2017
Dec 21, 2017
Dec 21, 2017
Dec 21, 2017
Dec 21, 2017
Nov 22, 2017
Sep 7, 2017
Sep 1, 2017
Aug 18, 2017
Aug 18, 2017
Aug 11, 2017
May 26, 2017
Mar 31, 2014
Mar 31, 2014
Mar 26, 2014
Mar 20, 2014
Mar 20, 2014
Jul 17, 2013
Jul 17, 2013
Jul 17, 2013
Mar 13, 2013
Jan 23, 2013
Jan 21, 2013
Jan 21, 2013
Jan 16, 2013
Dec 12, 2012
Nov 23, 2012
Nov 23, 2012
Oct 8, 2012
Dec 27, 2011
Dec 1, 2011
Dec 1, 2011
Dec 1, 2011
Jul 8, 2011
Jul 8, 2011
Jul 8, 2011
May 25, 2011
May 25, 2011
May 25, 2011
May 25, 2011