Patent No. EP4038025 (titled "Selective Chemical Fining Of Small Bubbles In Glass") was filed by Owens Brockway Glass Container on Sep 29, 2020. The application was issued on Nov 1, 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 |
|---|---|---|
| SAINT GOBAIN | Jul 26, 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
Feb 12, 2026
Feb 12, 2026
Feb 12, 2026
Feb 4, 2026
Feb 4, 2026
Jan 29, 2026
Jan 29, 2026
Jan 29, 2026
Jan 22, 2026
Jan 19, 2026
Jan 19, 2026
Jan 19, 2026
Jan 19, 2026
Jan 19, 2026
Jan 19, 2026
Jan 19, 2026
Jan 19, 2026
Jan 19, 2026
Jan 19, 2026
Jan 19, 2026
Jan 19, 2026
Jan 19, 2026
Jan 19, 2026
Jan 19, 2026
Jan 19, 2026
Jan 19, 2026
Jan 19, 2026
Jan 19, 2026
Jan 19, 2026
Jan 19, 2026
Jan 19, 2026
Jan 19, 2026
May 14, 2025
May 8, 2025
May 8, 2025
May 8, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Dec 20, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Dec 16, 2024
Aug 16, 2024
Aug 16, 2024
Aug 1, 2024
Jul 26, 2024
Jul 26, 2024
Jul 26, 2024
Jul 26, 2024
Jul 26, 2024
Jul 26, 2024
Jul 26, 2024
Jul 26, 2024
Jul 26, 2024
Jul 26, 2024
Jul 26, 2024
Jul 26, 2024
Jul 26, 2024
Jul 26, 2024
Jul 26, 2024
Jul 26, 2024
Jul 26, 2024
Jul 26, 2024
Jul 26, 2024
Jul 26, 2024
Jul 26, 2024
Jul 26, 2024
Jul 26, 2024
Nov 14, 2023
Oct 6, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Sep 7, 2023
Aug 23, 2023
Aug 23, 2023
Aug 23, 2023
Aug 23, 2023
Aug 23, 2023
Aug 23, 2023
Aug 1, 2023
Aug 1, 2023
Aug 1, 2023
Aug 1, 2023
Aug 1, 2023
Apr 24, 2023
Apr 24, 2023
Apr 24, 2023
Apr 24, 2023
Apr 24, 2023
Apr 24, 2023
Apr 4, 2023
Nov 3, 2022
Nov 3, 2022
Nov 3, 2022
Jul 13, 2022
May 11, 2022
Apr 19, 2022
Feb 21, 2022
Feb 15, 2022
Feb 15, 2022
Feb 15, 2022
Feb 11, 2022
Apr 26, 2021
Apr 8, 2021
Apr 8, 2021
Dec 3, 2020
Dec 3, 2020
Dec 3, 2020
Dec 3, 2020
Nov 3, 2020
Oct 14, 2020
Oct 14, 2020
Oct 14, 2020
Oct 14, 2020
Oct 14, 2020
Oct 14, 2020
Oct 14, 2020