Patent No. EP3288843 (titled "Container Having Two Sealing Sections") was filed by Sanner on Apr 19, 2016. The application was issued on Jun 17, 2020.

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
Jan 26, 2026
Dec 22, 2025
Dec 16, 2025
Dec 16, 2025
Dec 16, 2025
Dec 16, 2025
Dec 16, 2025
Dec 16, 2025
Dec 16, 2025
Dec 16, 2025
Dec 16, 2025
Dec 1, 2025
Dec 1, 2025
Nov 26, 2025
Nov 26, 2025
Nov 26, 2025
Nov 26, 2025
Nov 26, 2025
Nov 26, 2025
Nov 26, 2025
Nov 26, 2025
Nov 26, 2025
Nov 26, 2025
Nov 26, 2025
Nov 26, 2025
Nov 3, 2025
Oct 29, 2025
Oct 29, 2025
Oct 29, 2025
Oct 8, 2025
Oct 2, 2025
Oct 2, 2025
Oct 2, 2025
Jun 18, 2025
Jun 18, 2025
Jun 18, 2025
Jun 18, 2025
Jun 18, 2025
May 21, 2025
May 16, 2025
May 16, 2025
May 16, 2025
Apr 14, 2025
Apr 14, 2025
Apr 14, 2025
Apr 14, 2025
Apr 10, 2025
Apr 10, 2025
Apr 10, 2025
Apr 10, 2025
Feb 26, 2025
Feb 25, 2025
Feb 25, 2025
Feb 25, 2025
Feb 12, 2025
Feb 12, 2025
Dec 5, 2024
Dec 5, 2024
Nov 14, 2024
Nov 13, 2024
Nov 8, 2024
Nov 8, 2024
Nov 8, 2024
Nov 7, 2024
Nov 7, 2024
Nov 7, 2024
Oct 18, 2024
Oct 18, 2024
Oct 14, 2024
Oct 9, 2024
Oct 9, 2024
Oct 9, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 6, 2024
Jul 31, 2024
Jul 31, 2024
Jul 31, 2024
Jul 23, 2024
Jul 18, 2024
Jul 18, 2024
Jul 18, 2024
Jul 16, 2024
Jul 16, 2024
Jul 16, 2024
Jul 11, 2024
Jul 10, 2024
Jul 10, 2024
Jul 10, 2024
Jul 8, 2024
Jul 8, 2024
Jul 3, 2024
Jul 3, 2024
Apr 18, 2024
Apr 15, 2024
Apr 15, 2024
Apr 15, 2024
Mar 25, 2024
Mar 19, 2024
Mar 19, 2024
Mar 19, 2024
Mar 19, 2024
Jan 24, 2024
Jan 19, 2024
Jan 19, 2024
Jan 19, 2024
Sep 27, 2023
Sep 22, 2023
Sep 22, 2023
Sep 22, 2023
Jul 17, 2023
Jul 17, 2023
Jul 10, 2023
Jul 10, 2023
Jul 10, 2023
May 25, 2023
May 17, 2023
May 17, 2023
May 17, 2023
May 17, 2023
May 17, 2023
May 17, 2023
May 17, 2023
May 17, 2023
May 17, 2023
May 17, 2023
May 16, 2023
May 16, 2023
May 16, 2023
May 16, 2023
May 16, 2023
Apr 18, 2023
Feb 6, 2023
Feb 6, 2023
Dec 9, 2022
Dec 9, 2022
Nov 11, 2022
Nov 11, 2022
Nov 10, 2022
Nov 10, 2022
Nov 10, 2022
Nov 10, 2022
Nov 10, 2022
Nov 9, 2022
Nov 9, 2022
Nov 8, 2022
Nov 8, 2022
Nov 3, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 26, 2022
Oct 24, 2022
Oct 13, 2022
Sep 28, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Sep 23, 2022
Aug 3, 2022
Jun 30, 2022
Jun 30, 2022
May 3, 2022
Apr 21, 2022
Apr 21, 2022
Apr 21, 2022
Apr 21, 2022
Dec 6, 2021
Dec 6, 2021
Dec 2, 2021
Dec 2, 2021
Dec 2, 2021
Dec 2, 2021
Dec 2, 2021
Dec 2, 2021
Aug 4, 2021
Jul 29, 2021
Jul 29, 2021
Jul 29, 2021
Jul 29, 2021
Jul 29, 2021
Jul 29, 2021
Jul 29, 2021
Mar 31, 2021
Mar 31, 2021
Mar 23, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Mar 17, 2021
Jun 29, 2020
May 25, 2020
May 7, 2020
May 7, 2020
May 7, 2020
May 7, 2020
May 7, 2020
Jan 9, 2020
Jan 9, 2020
Jan 9, 2020
Jan 9, 2020
Jan 9, 2020
Nov 29, 2019
Jun 7, 2018
Jun 7, 2018
Jun 7, 2018
Jun 7, 2018
Jun 7, 2018
Jun 7, 2018
Jun 7, 2018
Feb 7, 2018
Dec 7, 2017
Dec 5, 2017
Nov 24, 2017
Nov 24, 2017
Nov 24, 2017
Nov 13, 2017
Sep 8, 2017
Nov 21, 2016
Nov 3, 2016
Nov 3, 2016
Nov 3, 2016
Jul 6, 2016
Jul 6, 2016
Jul 6, 2016
May 2, 2016
Apr 26, 2016
Apr 19, 2016
Apr 19, 2016
Apr 19, 2016
Apr 19, 2016
Apr 19, 2016
Apr 19, 2016
Apr 19, 2016