Patent No. EP3622017 (titled "Pp-Rich Material Composition Having High Stiffness And Processability") was filed by Borealis on May 2, 2018. The application was issued on Jan 25, 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 |
|---|---|---|
| BASELL POLIOLEFINE ITALIA | Oct 25, 2023 | LYONDELLBASELL |
| SABIC SABIC PETROCHEMICALS | Oct 25, 2023 | SABIC GROUP |
| TOTALENERGIES ONETECH | Oct 25, 2023 | MELLET |
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
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 19, 2025
Dec 15, 2025
Dec 15, 2025
Dec 15, 2025
Dec 15, 2025
Dec 15, 2025
Dec 15, 2025
Dec 15, 2025
Dec 12, 2025
Dec 12, 2025
Dec 12, 2025
Oct 14, 2025
Oct 14, 2025
Oct 14, 2025
Oct 14, 2025
Oct 14, 2025
Oct 14, 2025
Oct 14, 2025
Oct 14, 2025
Oct 14, 2025
Oct 14, 2025
Oct 14, 2025
Oct 14, 2025
Oct 14, 2025
Oct 14, 2025
Oct 14, 2025
Oct 14, 2025
Oct 14, 2025
Oct 14, 2025
Oct 10, 2025
Sep 24, 2025
Sep 24, 2025
Sep 24, 2025
Sep 24, 2025
Sep 24, 2025
Sep 23, 2025
Sep 23, 2025
Sep 23, 2025
Sep 23, 2025
Sep 23, 2025
Sep 23, 2025
Sep 23, 2025
Sep 23, 2025
Sep 23, 2025
Sep 22, 2025
Sep 22, 2025
Sep 22, 2025
Sep 22, 2025
Sep 12, 2025
Sep 12, 2025
Sep 12, 2025
Sep 11, 2025
Sep 11, 2025
Sep 11, 2025
Sep 11, 2025
Sep 11, 2025
Sep 11, 2025
Sep 11, 2025
Sep 11, 2025
Sep 9, 2025
Sep 9, 2025
Sep 9, 2025
Sep 3, 2025
Sep 3, 2025
Sep 3, 2025
Jul 29, 2025
Jul 29, 2025
Jul 29, 2025
Jul 28, 2025
Jul 28, 2025
Jul 28, 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
Jul 25, 2025
Jul 25, 2025
Jul 24, 2025
Jul 24, 2025
Jul 24, 2025
Jul 24, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 23, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jul 22, 2025
Jun 30, 2025
Jun 24, 2025
Jun 24, 2025
Jun 24, 2025
Jun 24, 2025
Jun 24, 2025
Jun 24, 2025
Oct 2, 2024
Oct 2, 2024
Oct 2, 2024
Oct 2, 2024
Oct 2, 2024
Oct 2, 2024
Oct 2, 2024
Oct 2, 2024
Mar 13, 2024
Mar 13, 2024
Mar 13, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Mar 7, 2024
Nov 9, 2023
Nov 9, 2023
Nov 9, 2023
Nov 9, 2023
Oct 31, 2023
Oct 31, 2023
Oct 31, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Oct 25, 2023
Feb 7, 2023
Jan 5, 2023
Dec 21, 2022
Dec 21, 2022
Dec 21, 2022
Dec 21, 2022
Oct 13, 2022
Sep 20, 2022
Sep 20, 2022
Sep 20, 2022
Sep 20, 2022
Sep 20, 2022
May 30, 2022
May 30, 2022
May 30, 2022
May 30, 2022
May 30, 2022
May 30, 2022
May 30, 2022
Feb 11, 2022
Feb 11, 2022
Feb 7, 2022
Feb 4, 2022
Jan 31, 2022
Jan 31, 2022
Jun 16, 2020
Jun 16, 2020
Jun 16, 2020
Jun 16, 2020
Jun 16, 2020
Feb 19, 2020
Feb 12, 2020
Feb 12, 2020
Feb 7, 2020
Feb 7, 2020
Feb 7, 2020
Jan 17, 2020
Jan 14, 2020
Dec 17, 2019
Dec 13, 2019
Dec 13, 2019
Dec 13, 2019
Dec 13, 2019
Dec 10, 2019
Nov 26, 2019
Nov 15, 2019
Nov 15, 2019
Sep 20, 2019
Dec 6, 2018
Nov 15, 2018
Nov 15, 2018
Jun 8, 2018
Jun 1, 2018
Jun 1, 2018
Jun 1, 2018
May 14, 2018
May 2, 2018
May 2, 2018
May 2, 2018
May 2, 2018
May 2, 2018
May 2, 2018
May 2, 2018