Patent No. EP3840903 (titled "Method For Joining Hard Material Bodies To Teeth Of A Saw Blade") was filed by Cred Vermgensverwaltungs on Aug 15, 2019. The application was issued on Nov 15, 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 |
|---|---|---|
| WIKUS SAGENFABRIK WILHELM H KULLMANN | Aug 15, 2024 | REHBERG HUPPE PARTNER |
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
Jan 15, 2026
Jan 15, 2026
Jan 8, 2026
Jan 8, 2026
Jan 8, 2026
Jan 8, 2026
Jan 8, 2026
Jan 8, 2026
Nov 25, 2025
Nov 18, 2025
Nov 18, 2025
Nov 18, 2025
Nov 18, 2025
Nov 18, 2025
Nov 18, 2025
Nov 18, 2025
Nov 18, 2025
Nov 18, 2025
Nov 18, 2025
Nov 18, 2025
Nov 18, 2025
Nov 18, 2025
Nov 18, 2025
Nov 18, 2025
Nov 18, 2025
Nov 18, 2025
Nov 18, 2025
Nov 18, 2025
Nov 18, 2025
Nov 18, 2025
Nov 18, 2025
Nov 18, 2025
May 20, 2025
May 12, 2025
May 12, 2025
May 12, 2025
May 12, 2025
May 12, 2025
Mar 31, 2025
Mar 31, 2025
Mar 31, 2025
Mar 31, 2025
Mar 31, 2025
Mar 5, 2025
Feb 25, 2025
Feb 25, 2025
Feb 25, 2025
Jan 15, 2025
Jan 9, 2025
Jan 7, 2025
Jan 7, 2025
Jan 7, 2025
Jan 7, 2025
Dec 27, 2024
Dec 27, 2024
Dec 27, 2024
Dec 27, 2024
Dec 27, 2024
Dec 27, 2024
Dec 27, 2024
Dec 27, 2024
Dec 27, 2024
Dec 27, 2024
Dec 27, 2024
Dec 27, 2024
Dec 27, 2024
Dec 27, 2024
Dec 27, 2024
Dec 27, 2024
Dec 27, 2024
Dec 27, 2024
Dec 27, 2024
Sep 9, 2024
Sep 4, 2024
Aug 29, 2024
Aug 29, 2024
Aug 29, 2024
Aug 28, 2024
Aug 28, 2024
Aug 22, 2024
Aug 15, 2024
Aug 15, 2024
Aug 15, 2024
Aug 15, 2024
Aug 15, 2024
Aug 15, 2024
Aug 15, 2024
Aug 15, 2024
Aug 15, 2024
Aug 15, 2024
Aug 15, 2024
Aug 15, 2024
Aug 15, 2024
Aug 15, 2024
Aug 15, 2024
Aug 15, 2024
Aug 15, 2024
Aug 15, 2024
Aug 15, 2024
Aug 15, 2024
Aug 15, 2024
Aug 15, 2024
Aug 15, 2024
Aug 15, 2024
Aug 15, 2024
Aug 15, 2024
Nov 28, 2023
Oct 19, 2023
Oct 6, 2023
Oct 6, 2023
Oct 6, 2023
Oct 6, 2023
Oct 6, 2023
Jun 2, 2023
Jun 2, 2023
Jun 2, 2023
Jun 2, 2023
Jun 2, 2023
Jun 2, 2023
May 2, 2023
Dec 15, 2022
Nov 30, 2022
Nov 30, 2022
Nov 30, 2022
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Oct 11, 2021
Jun 2, 2021
Mar 30, 2021
Mar 26, 2021
Mar 8, 2021
Jan 19, 2021
Jan 19, 2021
Jan 19, 2021
Jan 15, 2021
May 7, 2020
May 7, 2020
Apr 20, 2020
Apr 20, 2020
Apr 20, 2020
Mar 17, 2020
Feb 27, 2020
Feb 27, 2020
Feb 27, 2020
Sep 26, 2019
Sep 26, 2019
Sep 26, 2019
Sep 26, 2019
Aug 30, 2019
Aug 28, 2019
Aug 28, 2019
Aug 15, 2019
Aug 15, 2019
Aug 15, 2019
Aug 15, 2019
Aug 15, 2019
Aug 15, 2019
Aug 15, 2019