Patent No. EP4038028 (titled "Glass Manufacturing Process") was filed by Owens Brockway Glass Container on Sep 29, 2020. The application was issued on Feb 28, 2024.

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 |
|---|---|---|
| SAINT GOBAIN | Nov 27, 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
Oct 22, 2025
Oct 16, 2025
Oct 16, 2025
Oct 16, 2025
Oct 6, 2025
Oct 2, 2025
Oct 2, 2025
Oct 2, 2025
Sep 29, 2025
Sep 29, 2025
Sep 29, 2025
Sep 29, 2025
Sep 23, 2025
Sep 23, 2025
Sep 23, 2025
Sep 23, 2025
Sep 23, 2025
Sep 18, 2025
Sep 18, 2025
Sep 15, 2025
Sep 9, 2025
Sep 9, 2025
Sep 9, 2025
Aug 20, 2025
Aug 20, 2025
Aug 20, 2025
Aug 20, 2025
Aug 20, 2025
Aug 20, 2025
Aug 20, 2025
Aug 11, 2025
Aug 5, 2025
Aug 5, 2025
Aug 5, 2025
Aug 4, 2025
Jul 29, 2025
Jul 29, 2025
Jul 29, 2025
Jul 7, 2025
Jul 7, 2025
Jul 7, 2025
Jul 7, 2025
Jul 7, 2025
Apr 15, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Apr 9, 2025
Dec 12, 2024
Dec 12, 2024
Dec 3, 2024
Nov 27, 2024
Nov 27, 2024
Nov 27, 2024
Nov 27, 2024
Nov 27, 2024
Nov 27, 2024
Nov 27, 2024
Nov 27, 2024
Nov 27, 2024
Nov 27, 2024
Nov 27, 2024
Mar 13, 2024
Feb 1, 2024
Jan 19, 2024
Jan 19, 2024
Jan 19, 2024
Jan 19, 2024
Jan 19, 2024
Oct 18, 2023
Oct 18, 2023
Oct 18, 2023
Oct 18, 2023
Oct 18, 2023
Oct 18, 2023
Sep 7, 2023
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Jul 13, 2022
May 11, 2022
Apr 11, 2022
Apr 11, 2022
Feb 10, 2022
Feb 3, 2022
Feb 3, 2022
Feb 3, 2022
Feb 3, 2022
Aug 12, 2021
Apr 26, 2021
Apr 8, 2021
Apr 8, 2021
Nov 24, 2020
Nov 24, 2020
Nov 24, 2020
Nov 24, 2020
Nov 10, 2020
Oct 14, 2020
Oct 14, 2020
Oct 14, 2020
Oct 14, 2020
Oct 14, 2020
Oct 14, 2020
Oct 14, 2020