Patent No. EP3781998 (titled "Method To Restore The Functional State Of An Automatic Machine For The Production Of Tobacco Industry Articles") was filed by GD Societ PER Azioni on Apr 19, 2019. The application was issued on Oct 19, 2022.

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
Oct 9, 2025
Oct 6, 2025
Oct 6, 2025
Oct 6, 2025
Oct 6, 2025
Oct 6, 2025
Jun 11, 2025
Jun 3, 2025
Jun 3, 2025
Jun 3, 2025
Jun 3, 2025
Jun 3, 2025
Jun 3, 2025
Jun 3, 2025
Jun 3, 2025
Jun 3, 2025
Jun 3, 2025
Jun 3, 2025
Jun 3, 2025
Jun 3, 2025
Jun 3, 2025
Jun 3, 2025
Jun 3, 2025
Jun 3, 2025
Apr 10, 2025
Apr 10, 2025
Apr 3, 2025
Apr 3, 2025
Feb 5, 2025
Feb 5, 2025
Feb 5, 2025
Feb 5, 2025
Feb 5, 2025
Feb 5, 2025
Feb 5, 2025
Feb 5, 2025
Feb 5, 2025
Feb 5, 2025
Feb 5, 2025
Feb 5, 2025
Feb 5, 2025
Feb 5, 2025
Feb 5, 2025
Feb 5, 2025
Feb 5, 2025
Feb 5, 2025
Feb 5, 2025
Feb 5, 2025
Feb 5, 2025
Jan 20, 2025
Jan 20, 2025
Jan 16, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 15, 2025
Jan 8, 2025
Jan 7, 2025
Jan 7, 2025
Jan 7, 2025
Jan 7, 2025
Nov 26, 2024
Nov 25, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
Nov 20, 2024
May 28, 2024
Apr 4, 2024
Apr 4, 2024
Apr 4, 2024
Apr 4, 2024
Apr 4, 2024
Apr 4, 2024
Apr 4, 2024
Dec 18, 2023
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Dec 13, 2023
Sep 7, 2023
Aug 3, 2023
Aug 3, 2023
Jul 31, 2023
Jul 25, 2023
Jul 25, 2023
Jul 25, 2023
Jul 25, 2023
Jul 4, 2023
Jun 30, 2023
Jun 23, 2023
Jun 23, 2023
Jun 23, 2023
Jun 23, 2023
Jun 23, 2023
Jun 23, 2023
Jun 23, 2023
Jun 23, 2023
Jun 23, 2023
Jun 23, 2023
Jun 23, 2023
Jun 23, 2023
Jun 23, 2023
Jun 23, 2023
Jun 23, 2023
Jun 23, 2023
Jun 23, 2023
Jun 23, 2023
Jun 23, 2023
Jun 23, 2023
Jun 23, 2023
Jun 23, 2023
Jun 23, 2023
Jun 23, 2023
Jun 23, 2023
Jun 23, 2023
Jun 23, 2023
Nov 2, 2022
Sep 22, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
Sep 8, 2022
May 4, 2022
May 4, 2022
May 4, 2022
May 4, 2022
May 4, 2022
May 4, 2022
May 2, 2022
May 2, 2022
Apr 22, 2022
Apr 22, 2022
Apr 22, 2022
Apr 22, 2022
Jan 31, 2022
Jan 31, 2022
Jan 31, 2022
Jan 31, 2022
Jan 31, 2022
Jan 31, 2022
Jan 31, 2022
Sep 20, 2021
Sep 20, 2021
Sep 10, 2021
May 26, 2021
May 26, 2021
May 26, 2021
May 26, 2021
May 26, 2021
Jan 27, 2021
Jan 26, 2021
Jan 26, 2021
Jan 26, 2021
Jan 26, 2021
Jan 26, 2021
Nov 26, 2020
Nov 24, 2020
Nov 24, 2020
Nov 2, 2020
Oct 19, 2020
Oct 19, 2020
Oct 19, 2020
Oct 19, 2020
Oct 19, 2020
Oct 19, 2020
Aug 28, 2020
Nov 11, 2019
Oct 24, 2019
Oct 24, 2019
Sep 24, 2019
Sep 19, 2019
Aug 5, 2019
Aug 5, 2019
Aug 5, 2019
Aug 5, 2019
Jun 6, 2019
May 24, 2019
May 24, 2019
May 24, 2019
May 24, 2019
May 24, 2019
May 24, 2019
May 24, 2019
May 24, 2019