The weekly litigation news digest is live. Subscribe now
Patent No. EP3781344 (titled "Method And Apparatus For Manufacturing 3D Metal Parts") was filed by Amld on Mar 26, 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.
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
Nov 26, 2025
Nov 25, 2025
Nov 25, 2025
Nov 21, 2025
Nov 21, 2025
Nov 21, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Nov 20, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Apr 3, 2025
Jan 10, 2025
Jan 7, 2025
Jan 7, 2025
Jan 7, 2025
Jan 7, 2025
Jan 7, 2025
Jan 7, 2025
Jan 7, 2025
Jan 7, 2025
Jan 7, 2025
Jan 7, 2025
Jan 7, 2025
Jan 7, 2025
Jan 7, 2025
Jan 7, 2025
Jan 7, 2025
Sep 10, 2024
Sep 10, 2024
Sep 3, 2024
Sep 3, 2024
Sep 3, 2024
Sep 3, 2024
Sep 3, 2024
Aug 26, 2024
Aug 20, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Aug 14, 2024
Nov 28, 2023
Oct 19, 2023
Oct 6, 2023
Oct 6, 2023
Oct 6, 2023
Oct 6, 2023
Oct 6, 2023
Jul 6, 2023
Jul 6, 2023
Jul 6, 2023
Jul 6, 2023
Jul 6, 2023
Jul 6, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Apr 12, 2023
Dec 5, 2022
Dec 5, 2022
Oct 26, 2022
Sep 5, 2022
Sep 5, 2022
Sep 5, 2022
Jul 14, 2022
Jul 11, 2022
Jul 11, 2022
Jul 11, 2022
Jan 12, 2022
Dec 15, 2021
Dec 15, 2021
Dec 15, 2021
Dec 15, 2021
Dec 2, 2021
May 20, 2021
May 20, 2021
May 20, 2021
May 20, 2021
May 20, 2021
May 20, 2021
May 20, 2021
Jan 27, 2021
Nov 24, 2020
Nov 20, 2020
Oct 21, 2020
Oct 21, 2020
Oct 19, 2020
Oct 14, 2020
Oct 14, 2020
Oct 14, 2020
Oct 14, 2020
Oct 14, 2020
Oct 14, 2020
Aug 21, 2020
Feb 11, 2020
Nov 7, 2019
Oct 22, 2019
Oct 17, 2019
Oct 17, 2019