Patent No. EP4140649 (titled "Abrasive Articles And Methods Of Forming Same") was filed by Saint Gobain on Dec 30, 2015. The application was issued on Nov 12, 2025.

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 |
|---|---|---|
| IMERTECH | Aug 5, 2026 | SCHOLLHAMMER |
| MULLER BORE & PARTNER PATENTANWALTE PARTG MBB | Jul 30, 2026 | MULLER BORE & PARTNER PATENTANWALTE PARTG MBB |
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
Aug 11, 2026
Aug 6, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Aug 5, 2026
Jul 30, 2026
Jul 30, 2026
Jul 30, 2026
Jul 30, 2026
Jul 30, 2026
Jul 30, 2026
Jul 30, 2026
Jul 30, 2026
Jul 30, 2026
Jul 30, 2026
Jul 30, 2026
Jul 30, 2026
Jul 30, 2026
Jul 30, 2026
Jul 30, 2026
Jul 30, 2026
Jul 30, 2026
Jul 30, 2026
Jul 30, 2026
Jul 30, 2026
Jul 30, 2026
Jul 30, 2026
Nov 25, 2025
Oct 16, 2025
Oct 1, 2025
Oct 1, 2025
Oct 1, 2025
Oct 1, 2025
Oct 1, 2025
Sep 25, 2025
Sep 22, 2025
Sep 22, 2025
Sep 22, 2025
Sep 22, 2025
Sep 22, 2025
Sep 22, 2025
Jun 2, 2025
Jun 2, 2025
Jun 2, 2025
Jun 2, 2025
Jun 2, 2025
Jun 2, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Feb 10, 2025
Oct 8, 2024
Oct 8, 2024
Aug 12, 2024
Aug 6, 2024
Aug 6, 2024
Aug 6, 2024
Aug 6, 2024
Jun 11, 2024
Jun 11, 2024
Jun 11, 2024
Feb 12, 2024
Feb 12, 2024
Feb 6, 2024
Oct 11, 2023
Oct 11, 2023
Oct 6, 2023
Oct 6, 2023
Oct 6, 2023
Oct 6, 2023
Oct 6, 2023
Oct 6, 2023
Oct 6, 2023
Oct 6, 2023
Oct 6, 2023
Oct 6, 2023
Oct 6, 2023
Oct 6, 2023
Aug 8, 2023
Aug 8, 2023
Aug 8, 2023
Mar 6, 2023
Feb 1, 2023
Jan 10, 2023
Jan 5, 2023
Jan 5, 2023
Jan 5, 2023
Jan 5, 2023
Dec 21, 2022
Sep 27, 2022
Sep 27, 2022
Sep 27, 2022
Sep 27, 2022
Sep 27, 2022
Sep 27, 2022
Sep 27, 2022
Jul 26, 2016