Patent No. EP3141268 (titled "System And Container For Monitoring And Analyzing Milk Collection") was filed by Medela Holding on Mar 13, 2014. The application was issued on Aug 5, 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.
| Company | Opposition Date | Representative |
|---|---|---|
| ELKINGTON AND FIFE | May 4, 2021 | ELKINGTON AND FIFE |
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
Apr 21, 2026
Apr 21, 2026
Apr 7, 2026
Apr 7, 2026
Apr 7, 2026
Apr 7, 2026
Mar 6, 2026
Mar 4, 2026
Mar 4, 2026
Mar 4, 2026
Jan 13, 2026
Jan 9, 2026
Jan 9, 2026
Jan 9, 2026
Dec 18, 2025
Dec 18, 2025
Dec 18, 2025
Dec 17, 2025
Dec 4, 2025
Dec 4, 2025
Dec 4, 2025
Dec 4, 2025
Dec 4, 2025
Dec 3, 2025
Dec 3, 2025
Nov 27, 2025
Oct 14, 2025
Oct 10, 2025
Oct 10, 2025
Oct 10, 2025
Mar 20, 2025
Mar 17, 2025
Jan 7, 2025
Oct 14, 2024
Sep 27, 2024
Sep 27, 2024
Mar 13, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Jan 31, 2024
Jan 26, 2024
Jan 26, 2024
Jan 26, 2024
Jan 18, 2024
Jan 15, 2024
Jan 15, 2024
Jan 15, 2024
Dec 15, 2023
Dec 12, 2023
Dec 12, 2023
Dec 12, 2023
Nov 30, 2023
Nov 27, 2023
Nov 27, 2023
Nov 27, 2023
Nov 27, 2023
Nov 27, 2023
Nov 27, 2023
Nov 27, 2023
Nov 27, 2023
Nov 27, 2023
Nov 27, 2023
Nov 27, 2023
Nov 27, 2023
Nov 27, 2023
Nov 27, 2023
Nov 27, 2023
Oct 9, 2023
Oct 2, 2023
Oct 2, 2023
Oct 2, 2023
Oct 2, 2023
Oct 2, 2023
Oct 2, 2023
Oct 2, 2023
Oct 2, 2023
Oct 2, 2023
Oct 2, 2023
Oct 2, 2023
Oct 2, 2023
Oct 2, 2023
Oct 2, 2023
Oct 2, 2023
Oct 2, 2023
Oct 2, 2023
Oct 2, 2023
May 30, 2023
May 24, 2023
May 24, 2023
May 24, 2023
May 24, 2023
May 24, 2023
May 24, 2023
May 24, 2023
May 24, 2023
May 24, 2023
May 24, 2023
May 10, 2023
May 10, 2023
May 3, 2023
May 3, 2023
May 3, 2023
Feb 28, 2023
Feb 28, 2023
Feb 28, 2023
Feb 28, 2023
Feb 28, 2023
Feb 28, 2023
Feb 28, 2023
Feb 28, 2023
Feb 28, 2023
Feb 28, 2023
Feb 28, 2023
Feb 28, 2023
Feb 28, 2023
Feb 28, 2023
Feb 28, 2023
Feb 28, 2023
Feb 1, 2023
Jan 24, 2023
Jan 23, 2023
Jan 20, 2023
Jan 20, 2023
Jan 20, 2023
Jan 16, 2023
Jan 11, 2023
Jan 11, 2023
Jan 11, 2023
Jan 11, 2023
Jan 11, 2023
Jan 11, 2023
Jan 11, 2023
Jan 11, 2023
Jan 11, 2023
Jan 11, 2023
Dec 23, 2022
Dec 19, 2022
Dec 19, 2022
Dec 19, 2022
Dec 6, 2022
Dec 2, 2022
Dec 1, 2022
Dec 1, 2022
Dec 1, 2022
Dec 1, 2022
Dec 1, 2022
Dec 1, 2022
Dec 1, 2022
Dec 1, 2022
Dec 1, 2022
Nov 29, 2022
Nov 29, 2022
Nov 29, 2022
Nov 29, 2022
Nov 29, 2022
Nov 29, 2022
Nov 29, 2022
Nov 29, 2022
Nov 29, 2022
Nov 29, 2022
Nov 29, 2022
Nov 29, 2022
Nov 29, 2022
Nov 29, 2022
Nov 29, 2022
Nov 29, 2022
Nov 29, 2022
Nov 29, 2022
Nov 24, 2022
Nov 24, 2022
Nov 24, 2022
Nov 24, 2022
Mar 10, 2022
Mar 9, 2022
Mar 7, 2022
Mar 7, 2022
Mar 7, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Mar 1, 2022
Dec 8, 2021
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Sep 24, 2021
Sep 24, 2021
Sep 20, 2021
Sep 20, 2021
Sep 20, 2021
Sep 15, 2021
Sep 15, 2021
Sep 9, 2021
Sep 9, 2021
Sep 9, 2021
May 26, 2021
May 26, 2021
May 10, 2021
May 4, 2021
May 4, 2021
May 4, 2021
May 4, 2021
May 4, 2021
May 4, 2021
May 4, 2021
May 4, 2021
May 4, 2021
May 4, 2021
Aug 17, 2020
Jul 9, 2020
Jun 22, 2020
Jun 22, 2020
Jun 22, 2020
Jun 22, 2020
Jun 22, 2020
Feb 18, 2020
Feb 18, 2020
Feb 18, 2020
Feb 18, 2020
Feb 18, 2020
Jul 23, 2019
Jul 23, 2019
Jul 23, 2019
Jul 23, 2019
Jul 23, 2019
Jul 23, 2019
Jul 23, 2019
Apr 10, 2019
Apr 10, 2019
Apr 3, 2019
Sep 4, 2017
Sep 4, 2017
Aug 31, 2017
Aug 31, 2017
Aug 31, 2017
Aug 31, 2017
Aug 31, 2017
Aug 31, 2017
Aug 31, 2017
Mar 20, 2017
Mar 13, 2017
Mar 13, 2017
Mar 10, 2017
Feb 15, 2017
Feb 1, 2017
Jan 26, 2017
Jan 26, 2017
Jan 26, 2017
Jan 26, 2017
Jan 19, 2017
Dec 13, 2016
Oct 20, 2016
Oct 20, 2016
Oct 20, 2016
Oct 20, 2016
Oct 20, 2016
Oct 20, 2016
Oct 20, 2016
Oct 20, 2016
Oct 22, 2014