Patent No. EP3354387 (titled "Chipping Tool") was filed by Ledermann on May 3, 2017. The application was issued on Jul 3, 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.
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
May 26, 2026
May 26, 2026
May 26, 2026
May 26, 2026
May 26, 2026
May 26, 2026
May 26, 2026
May 26, 2026
May 26, 2026
May 26, 2026
May 26, 2026
May 21, 2026
May 21, 2026
May 13, 2026
May 7, 2026
May 7, 2026
Apr 30, 2026
Apr 22, 2026
Apr 22, 2026
Apr 22, 2026
Apr 1, 2026
Mar 26, 2026
Mar 26, 2026
Mar 26, 2026
Mar 2, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Feb 25, 2026
Dec 23, 2025
Dec 17, 2025
Dec 17, 2025
Dec 17, 2025
Oct 22, 2025
Oct 22, 2025
Oct 22, 2025
Oct 22, 2025
Oct 22, 2025
Oct 22, 2025
Aug 20, 2025
Aug 15, 2025
Aug 15, 2025
Aug 15, 2025
Aug 15, 2025
Aug 15, 2025
Aug 15, 2025
Aug 15, 2025
Aug 15, 2025
Aug 15, 2025
Aug 15, 2025
Aug 15, 2025
Apr 17, 2025
Apr 17, 2025
Apr 15, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Jul 16, 2024
Jun 6, 2024
May 13, 2024
May 13, 2024
May 13, 2024
May 13, 2024
Feb 5, 2024
Feb 5, 2024
Feb 5, 2024
Feb 5, 2024
Feb 5, 2024
Feb 5, 2024
Jul 19, 2022
Jul 19, 2022
Jul 19, 2022
Mar 24, 2022
Mar 24, 2022
Nov 25, 2021
Nov 25, 2021
Nov 25, 2021
Nov 25, 2021
Nov 25, 2021
Nov 25, 2021
Nov 25, 2021
Sep 15, 2021
Sep 8, 2021
Sep 8, 2021
Sep 8, 2021
May 26, 2021
May 26, 2021
May 12, 2021
Jan 29, 2019
Jan 29, 2019
Jan 29, 2019
Jan 29, 2019
Jan 29, 2019
Aug 6, 2018
Jul 4, 2018
Dec 13, 2017
Dec 4, 2017
Dec 4, 2017
Dec 4, 2017
Dec 4, 2017
Nov 29, 2017
Nov 24, 2017
Oct 30, 2017
Jul 7, 2017
Jul 4, 2017
Jun 28, 2017
Jun 20, 2017
Jun 20, 2017
Jun 19, 2017
May 3, 2017
May 3, 2017
May 3, 2017
May 3, 2017
May 3, 2017
May 3, 2017