Patent No. EP3603941 (titled "Method For Producing Sealing Strip And Sealing Strip") was filed by Tremco CPG Germany on Aug 2, 2019. The application was issued on Apr 5, 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 |
|---|---|---|
| ISO CHEMIE | Jan 2, 2024 | WACHTER |
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 28, 2025
Nov 26, 2025
Nov 26, 2025
Nov 18, 2025
Nov 12, 2025
Nov 12, 2025
Nov 12, 2025
Sep 18, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jul 14, 2025
Jun 25, 2025
Jun 23, 2025
Jun 18, 2025
Jun 18, 2025
Jun 18, 2025
Jun 18, 2025
Jun 18, 2025
Jun 18, 2025
Jun 18, 2025
Jun 18, 2025
Jun 18, 2025
Jun 18, 2025
Jun 18, 2025
Jun 18, 2025
Jun 18, 2025
Jun 18, 2025
May 2, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 25, 2025
Apr 22, 2025
Oct 2, 2024
Oct 2, 2024
Oct 2, 2024
Oct 2, 2024
Oct 2, 2024
Oct 2, 2024
Oct 2, 2024
Aug 8, 2024
Aug 5, 2024
Aug 5, 2024
Aug 5, 2024
May 24, 2024
May 21, 2024
May 21, 2024
May 21, 2024
Jan 19, 2024
Jan 19, 2024
Jan 10, 2024
Jan 8, 2024
Jan 4, 2024
Jan 4, 2024
Jan 4, 2024
Jan 4, 2024
Jan 4, 2024
Jan 4, 2024
Jan 4, 2024
Jan 4, 2024
Jan 2, 2024
Jan 2, 2024
Jan 2, 2024
Jan 2, 2024
Jan 2, 2024
Jan 2, 2024
Jan 2, 2024
Jan 2, 2024
Jan 2, 2024
Jan 2, 2024
Jan 2, 2024
Jan 2, 2024
Jan 2, 2024
Jan 2, 2024
Jan 2, 2024
Jan 2, 2024
Jan 2, 2024
Jan 2, 2024
Jan 2, 2024
Jan 2, 2024
Jan 2, 2024
Jan 2, 2024
Apr 18, 2023
Mar 10, 2023
Feb 23, 2023
Feb 23, 2023
Feb 23, 2023
Feb 23, 2023
Nov 8, 2022
Nov 8, 2022
Nov 8, 2022
Nov 8, 2022
Nov 8, 2022
Nov 8, 2022
Sep 13, 2022
Sep 12, 2022
Sep 12, 2022
Sep 12, 2022
Sep 7, 2022
Sep 7, 2022
Sep 7, 2022
Aug 8, 2022
Aug 8, 2022
Jul 27, 2022
Jul 7, 2022
Jul 7, 2022
Jul 7, 2022
Feb 25, 2022
Feb 25, 2022
Aug 18, 2021
Aug 18, 2021
May 12, 2021
May 12, 2021
May 12, 2021
Jan 12, 2021
Jan 12, 2021
Nov 30, 2020
Aug 25, 2020
Aug 18, 2020
Aug 4, 2020
Aug 4, 2020
Aug 4, 2020
Aug 4, 2020
Aug 4, 2020
Feb 10, 2020
Jan 9, 2020
Nov 11, 2019
Nov 11, 2019
Nov 11, 2019
Nov 11, 2019
Nov 11, 2019
Nov 11, 2019
Oct 18, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Aug 2, 2019
Aug 2, 2019
Aug 2, 2019
Aug 2, 2019
Aug 2, 2019
Aug 2, 2019
Aug 2, 2019
Aug 2, 2019
Aug 2, 2019