Patent No. EP3234953 (titled "High Pressure Radical Polymerisation Process For A Copolymer Of Ethylene With Silane Groups Containing Comonomer") was filed by Borealis on Nov 25, 2015. The application was issued on Jul 31, 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 |
|---|---|---|
| THE DOW CHEMICAL | Apr 17, 2025 | BOULT WADE TENNANT |
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
Oct 7, 2025
Oct 7, 2025
Oct 7, 2025
Oct 7, 2025
Oct 7, 2025
Sep 25, 2025
Sep 25, 2025
Sep 24, 2025
Sep 23, 2025
Sep 23, 2025
Sep 23, 2025
Sep 17, 2025
Sep 17, 2025
Sep 17, 2025
Sep 17, 2025
Sep 17, 2025
Jul 30, 2025
Jul 25, 2025
Jul 25, 2025
Jul 25, 2025
Jul 25, 2025
Jul 25, 2025
Jul 25, 2025
Jul 25, 2025
Jul 25, 2025
Jul 25, 2025
Jun 30, 2025
Jun 24, 2025
Jun 24, 2025
Jun 24, 2025
Jun 24, 2025
Jun 24, 2025
Jun 24, 2025
May 16, 2025
May 16, 2025
May 13, 2025
May 8, 2025
May 8, 2025
May 8, 2025
Apr 24, 2025
Apr 17, 2025
Apr 17, 2025
Apr 17, 2025
Apr 17, 2025
Apr 17, 2025
Apr 17, 2025
Apr 17, 2025
Apr 17, 2025
Apr 17, 2025
Apr 17, 2025
Apr 17, 2025
Apr 17, 2025
Apr 17, 2025
Apr 17, 2025
Aug 13, 2024
Jul 4, 2024
Jun 26, 2024
Jun 26, 2024
Jun 26, 2024
Jun 26, 2024
Jun 26, 2024
May 16, 2024
May 16, 2024
May 16, 2024
May 16, 2024
May 16, 2024
May 16, 2024
Jan 11, 2024
Jan 11, 2024
Jan 11, 2024
Oct 18, 2023
Oct 18, 2023
Feb 4, 2022
Jan 31, 2022
Jan 31, 2022
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
Jul 26, 2021
Mar 18, 2021
Mar 18, 2021
Jun 16, 2020
Jun 16, 2020
Jun 16, 2020
Feb 17, 2020
Feb 17, 2020
May 20, 2019
May 20, 2019
May 20, 2019
May 20, 2019
May 20, 2019
Feb 19, 2019
Feb 19, 2019
Feb 13, 2019
Aug 28, 2018
Aug 14, 2018
May 22, 2018
Apr 23, 2018
Apr 9, 2018
Apr 9, 2018
Apr 9, 2018
Mar 27, 2018
Feb 9, 2018
Feb 9, 2018
Feb 9, 2018
Oct 27, 2017
Oct 18, 2017
Oct 10, 2017
Sep 28, 2017
Sep 27, 2017
Aug 22, 2017
Aug 17, 2017
Aug 16, 2017
Aug 10, 2017
Aug 7, 2017
Jul 26, 2017
Jul 21, 2017
Jul 19, 2017
Jul 19, 2017
Jul 19, 2017
Jul 19, 2017
Jul 15, 2017
Jul 10, 2017
Jul 10, 2017
Jul 4, 2017
May 2, 2017
Jul 19, 2016
Jul 19, 2016
Jul 19, 2016
Jul 12, 2016
Jul 8, 2016
Jul 8, 2016
Jun 23, 2016
Jun 23, 2016
Mar 2, 2016
Mar 1, 2016
Mar 1, 2016
Mar 1, 2016
Dec 17, 2015
Dec 10, 2015
Dec 9, 2015
Nov 25, 2015
Nov 25, 2015
Nov 25, 2015
Nov 25, 2015
Nov 25, 2015
Nov 25, 2015
Nov 25, 2015
Nov 25, 2015