Patent No. EP2834040 (titled "Abrasive Particles, Method Of Making Abrasive Particles, And Abrasive Articles") was filed by M Innovative Properties on Mar 15, 2013. The application was issued on Apr 21, 2021.

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 ABRASIVES | Jan 21, 2022 | ZIMMERMANN & PARTNER |
| SAINT GOBAIN | Jan 21, 2022 | ZIMMERMANN & PARTNER PATENTANWALTE 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
Apr 16, 2026
Apr 13, 2026
Apr 13, 2026
Apr 13, 2026
Feb 17, 2026
Feb 17, 2026
Feb 12, 2026
Feb 12, 2026
Feb 12, 2026
Dec 12, 2025
Dec 12, 2025
Dec 12, 2025
Dec 12, 2025
Dec 12, 2025
Dec 12, 2025
Dec 12, 2025
Dec 12, 2025
Dec 12, 2025
Dec 12, 2025
Dec 12, 2025
Dec 12, 2025
Dec 12, 2025
Dec 12, 2025
Nov 13, 2025
Oct 17, 2025
Oct 13, 2025
Oct 13, 2025
Oct 13, 2025
Sep 18, 2025
Sep 18, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Aug 27, 2025
Aug 21, 2025
Aug 21, 2025
Aug 21, 2025
Feb 19, 2025
Feb 19, 2025
Feb 19, 2025
Feb 19, 2025
Feb 19, 2025
Feb 18, 2025
Feb 12, 2025
Feb 12, 2025
Feb 12, 2025
Dec 2, 2024
Nov 28, 2024
Nov 28, 2024
Nov 28, 2024
May 21, 2024
May 13, 2024
May 13, 2024
May 13, 2024
May 13, 2024
May 13, 2024
May 13, 2024
May 13, 2024
May 13, 2024
May 13, 2024
Jan 29, 2024
Jan 19, 2024
Jan 19, 2024
Jan 19, 2024
Sep 11, 2023
Sep 5, 2023
Sep 5, 2023
Sep 5, 2023
Sep 5, 2023
Sep 5, 2023
Jan 31, 2023
Jan 24, 2023
Jan 24, 2023
Jan 24, 2023
Jan 24, 2023
Jan 24, 2023
Jan 24, 2023
Jan 24, 2023
Jan 24, 2023
Jun 20, 2022
Jun 14, 2022
Jun 14, 2022
Jun 14, 2022
Jun 14, 2022
Jun 14, 2022
Jun 14, 2022
Jun 14, 2022
Jun 14, 2022
Jun 14, 2022
Jun 14, 2022
Jun 14, 2022
Jun 14, 2022
Jun 14, 2022
Jun 14, 2022
Jun 14, 2022
Jun 14, 2022
Jun 14, 2022
Jun 14, 2022
Jun 14, 2022
Jun 14, 2022
Jun 14, 2022
Jun 14, 2022
Jun 14, 2022
Jun 14, 2022
Jun 14, 2022
Jun 14, 2022
Jun 14, 2022
Jun 14, 2022
Jun 14, 2022
Jun 14, 2022
Jun 14, 2022
Feb 4, 2022
Feb 4, 2022
Jan 26, 2022
Jan 21, 2022
Jan 21, 2022
Jan 21, 2022
Jan 21, 2022
Jan 21, 2022
Jan 21, 2022
Jan 21, 2022
Jan 21, 2022
Jan 21, 2022
Jan 21, 2022
Jan 21, 2022
Jan 21, 2022
Jan 21, 2022
Jan 21, 2022
Jan 21, 2022
Jan 21, 2022
May 4, 2021
Mar 25, 2021
Mar 1, 2021
Feb 23, 2021
Feb 23, 2021
Feb 23, 2021
Feb 23, 2021
Feb 23, 2021
Oct 26, 2020
Oct 26, 2020
Oct 26, 2020
Oct 26, 2020
Oct 26, 2020
Mar 16, 2020
Mar 16, 2020
Mar 16, 2020
Mar 16, 2020
Mar 16, 2020
Sep 6, 2019
Sep 6, 2019
Mar 28, 2019
Mar 28, 2019
Mar 28, 2019
Mar 28, 2019
Mar 28, 2019
Sep 19, 2018
Sep 19, 2018
Sep 11, 2018
Jun 14, 2018
Oct 12, 2016
Oct 12, 2016
Oct 12, 2016
Apr 25, 2016
Apr 4, 2016
Mar 15, 2016
Mar 15, 2016
Mar 15, 2016
Mar 15, 2016
Dec 23, 2015
Dec 23, 2015
Oct 30, 2015
Oct 30, 2015
Oct 19, 2015
Mar 12, 2015
Jan 14, 2015
Jan 13, 2015
Jan 13, 2015
Jan 7, 2015
Nov 12, 2014
Nov 7, 2014
Oct 28, 2014
Oct 22, 2014
Oct 6, 2014
Oct 6, 2014
Oct 6, 2014
Oct 6, 2014
Oct 6, 2014
Sep 2, 2014
Aug 18, 2014
Nov 1, 2013
Oct 10, 2013
Oct 10, 2013