Patent No. EP3936443 (titled "Flow Regulation System For The Filling Of A Sack With A Granular Product, And Corresponding Machine And Method") was filed by Tecnicas Mecanicas Ilerdenses on Mar 7, 2019. The application was issued on Jan 18, 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 |
|---|---|---|
| PAYPER | Oct 17, 2023 | HERRERO & ASOCIADOS |
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 7, 2025
Apr 7, 2025
Jan 2, 2025
Jan 2, 2025
Jan 2, 2025
Jan 2, 2025
Jan 2, 2025
Jan 2, 2025
Jan 2, 2025
Jan 2, 2025
Jan 2, 2025
Jan 2, 2025
Jan 2, 2025
Jan 2, 2025
Jan 2, 2025
Dec 17, 2024
Dec 13, 2024
Dec 12, 2024
Dec 12, 2024
Dec 12, 2024
Oct 21, 2024
Oct 18, 2024
Oct 18, 2024
Oct 15, 2024
Oct 15, 2024
Oct 15, 2024
Oct 11, 2024
Oct 8, 2024
Oct 8, 2024
Oct 8, 2024
May 13, 2024
May 9, 2024
May 9, 2024
May 9, 2024
Apr 23, 2024
Apr 23, 2024
Apr 23, 2024
Apr 23, 2024
Apr 23, 2024
Apr 23, 2024
Apr 23, 2024
Mar 6, 2024
Mar 1, 2024
Mar 1, 2024
Mar 1, 2024
Mar 1, 2024
Mar 1, 2024
Mar 1, 2024
Mar 1, 2024
Mar 1, 2024
Mar 1, 2024
Mar 1, 2024
Mar 1, 2024
Mar 1, 2024
Mar 1, 2024
Mar 1, 2024
Mar 1, 2024
Mar 1, 2024
Mar 1, 2024
Mar 1, 2024
Mar 1, 2024
Nov 2, 2023
Nov 2, 2023
Oct 25, 2023
Oct 17, 2023
Oct 17, 2023
Oct 17, 2023
Oct 17, 2023
Oct 17, 2023
Oct 17, 2023
Oct 17, 2023
Oct 17, 2023
Jan 31, 2023
Dec 22, 2022
Dec 7, 2022
Dec 7, 2022
Dec 7, 2022
Dec 7, 2022
Oct 27, 2022
Oct 27, 2022
Oct 27, 2022
Oct 27, 2022
Oct 27, 2022
Oct 27, 2022
Oct 5, 2022
May 4, 2022
Dec 15, 2021
Oct 29, 2021
Oct 1, 2021
Oct 1, 2021
Oct 1, 2021
Oct 1, 2021
Oct 1, 2021
Oct 1, 2021
Oct 1, 2021
Oct 1, 2021
Oct 1, 2021
Oct 1, 2021
Oct 1, 2021
Oct 1, 2021
Oct 1, 2021
Sep 13, 2021
Sep 13, 2021
Jul 16, 2021
Feb 12, 2021
Feb 12, 2021
Feb 12, 2021
Feb 12, 2021
Feb 12, 2021
Jan 29, 2021
Jan 21, 2021
Jan 15, 2021
Jan 5, 2021
Jan 5, 2021
Jan 5, 2021
Jan 5, 2021
Jan 5, 2021
Jan 5, 2021
Jan 5, 2021
Jan 5, 2021
Sep 10, 2020
Sep 10, 2020
Sep 10, 2020
Nov 7, 2019
Nov 7, 2019
Nov 7, 2019
Nov 7, 2019
May 28, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019
Apr 30, 2019