Patent No. EP3784702 (titled "Method For Cleaning A Polymerisation Reactor") was filed by Wacker Chemie on May 10, 2019. The application was issued on Oct 2, 2024.

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 |
|---|---|---|
| CELANESE | Oct 5, 2022 | SIMMONS & SIMMONS MUNICH |
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
Sep 5, 2024
Aug 29, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Aug 23, 2024
Jun 27, 2024
Jun 27, 2024
Jun 24, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 22, 2024
Mar 12, 2024
Mar 6, 2024
Mar 6, 2024
Mar 1, 2024
Mar 1, 2024
Mar 1, 2024
Mar 1, 2024
Mar 1, 2024
Feb 29, 2024
Feb 29, 2024
Feb 29, 2024
Feb 26, 2024
Feb 20, 2024
Feb 20, 2024
Feb 20, 2024
Jan 17, 2024
Jan 16, 2024
Jan 16, 2024
Jan 12, 2024
Jan 12, 2024
Jan 12, 2024
Jan 12, 2024
Jan 12, 2024
Jan 12, 2024
Jan 12, 2024
Jan 12, 2024
Jan 12, 2024
Jan 11, 2024
Jan 11, 2024
Jan 11, 2024
Jan 11, 2024
Jan 11, 2024
Jan 11, 2024
Jan 11, 2024
Jan 11, 2024
Jan 11, 2024
Jan 11, 2024
Jan 11, 2024
Jan 11, 2024
Jan 11, 2024
Jan 11, 2024
Jan 11, 2024
Jan 11, 2024
Dec 18, 2023
Dec 15, 2023
Dec 15, 2023
Dec 11, 2023
Dec 11, 2023
Dec 11, 2023
Jun 20, 2023
Jun 19, 2023
Jun 19, 2023
Jun 19, 2023
Jun 19, 2023
Jun 16, 2023
Jun 15, 2023
Jun 15, 2023
Jun 12, 2023
Jun 9, 2023
Jun 9, 2023
Jun 9, 2023
Jun 9, 2023
May 9, 2023
May 8, 2023
May 8, 2023
May 8, 2023
May 8, 2023
May 8, 2023
May 8, 2023
May 8, 2023
Feb 22, 2023
Feb 17, 2023
Feb 17, 2023
Feb 17, 2023
Dec 15, 2022
Dec 15, 2022
Nov 30, 2022
Oct 19, 2022
Oct 19, 2022
Oct 11, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Oct 5, 2022
Jan 18, 2022
Dec 9, 2021
Nov 29, 2021
Nov 25, 2021
Nov 25, 2021
Nov 25, 2021
Nov 25, 2021
Nov 25, 2021
Jul 30, 2021
Jul 30, 2021
Jul 30, 2021
Jul 30, 2021
Jul 30, 2021
Jun 18, 2021
Feb 3, 2021
Dec 3, 2020
Dec 2, 2020
Dec 2, 2020
Nov 25, 2020
Nov 25, 2020
Nov 25, 2020
Nov 25, 2020
Nov 19, 2020
Nov 19, 2020
Nov 19, 2020
May 24, 2019
May 10, 2019
May 10, 2019
May 10, 2019
May 10, 2019
May 10, 2019
May 10, 2019
May 10, 2019