The weekly litigation news digest is live. Subscribe now
The patent EP3473497 was granted to Sabic on Nov 3, 2021. The application was filed on Oct 17, 2017 under application number EP17196854A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 | Opposition Status |
|---|---|---|---|
| REHAU AUTOMOTIVE | Aug 3, 2022 | - | WITHDRAWN |
| COVESTRO DEUTSCHLAND | Aug 2, 2022 | LEVPAT | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| OPPOSITION | DE102007052197 |
| OPPOSITION | DE102008048202 |
| OPPOSITION | DE102011120363 |
| OPPOSITION | DE102016114744 |
| OPPOSITION | DE102017100292 |
| OPPOSITION | DE202017103775U |
| OPPOSITION | DE8437081U |
| OPPOSITION | EP0914923 |
| OPPOSITION | EP1439094 |
| OPPOSITION | EP2979862 |
| OPPOSITION | JP2003156555 |
| OPPOSITION | JP2008273098 |
| OPPOSITION | JP2008520468 |
| OPPOSITION | JP2010036672 |
| OPPOSITION | JP2010188987 |
| OPPOSITION | JP2012113970 |
| OPPOSITION | JP2013112179 |
| OPPOSITION | JP2013230804 |
| OPPOSITION | JPS61132445 |
| OPPOSITION | US2004125023 |
| OPPOSITION | US2007014126 |
| OPPOSITION | US2012280528 |
| OPPOSITION | US2013010487 |
| OPPOSITION | US2016288700 |
| OPPOSITION | US2017113628 |
| OPPOSITION | US2017165884 |
| OPPOSITION | US4198465 |
| OPPOSITION | US4816968 |
| OPPOSITION | US4920460 |
| OPPOSITION | US5709453 |
| OPPOSITION | WO2010003071 |
| OPPOSITION | WO2013049369 |
| OPPOSITION | WO2017042703 |
| SEARCH | JP2013230804 |
| SEARCH | US2004125023 |
| SEARCH | US2017113628 |
| SEARCH | US2017165884 |
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 3, 2025
Nov 3, 2025
Nov 3, 2025
Nov 3, 2025
Nov 3, 2025
Nov 3, 2025
Nov 3, 2025
Means of redress
OPPO
Nov 3, 2025
Nov 3, 2025
Nov 3, 2025
Nov 3, 2025
Nov 3, 2025
Sep 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jul 9, 2025
Jun 20, 2025
Jun 16, 2025
Jun 11, 2025
Jun 11, 2025
Jun 11, 2025
Jun 6, 2025
Jun 6, 2025
Jun 5, 2025
May 2, 2025
May 2, 2025
May 2, 2025
Apr 23, 2025
Apr 23, 2025
Feb 13, 2025
Feb 13, 2025
Feb 6, 2025
Feb 6, 2025
Feb 6, 2025
Dec 4, 2024
Dec 4, 2024
Dec 4, 2024
Dec 4, 2024
Dec 4, 2024
Dec 4, 2024
Dec 4, 2024
Dec 4, 2024
Dec 4, 2024
Dec 4, 2024
Dec 4, 2024
Dec 4, 2024
Dec 4, 2024
Dec 4, 2024
Dec 4, 2024
Dec 4, 2024
Aug 8, 2024
Aug 8, 2024
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Jul 1, 2024
Jul 1, 2024
Jul 1, 2024
Apr 30, 2024
Apr 30, 2024
Apr 23, 2024
Apr 23, 2024
Apr 23, 2024
Apr 11, 2024
Mar 26, 2024
Mar 26, 2024
Mar 21, 2024
Mar 21, 2024
Mar 21, 2024
Jan 17, 2024
Jan 17, 2024
Jan 17, 2024
Jan 17, 2024
Jan 10, 2024
Jan 10, 2024
Jan 10, 2024
Dec 15, 2023
Dec 15, 2023
Dec 15, 2023
Dec 15, 2023
Dec 15, 2023
Dec 15, 2023
Dec 15, 2023
Dec 15, 2023
Dec 15, 2023
Jun 13, 2023
Jun 13, 2023
Jun 2, 2023
Jun 2, 2023
Jun 2, 2023
Jun 2, 2023
Jun 2, 2023
Jun 2, 2023
May 4, 2023
May 4, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Apr 28, 2023
Jan 2, 2023
Jan 2, 2023
Dec 16, 2022
Dec 16, 2022
Dec 16, 2022
Dec 16, 2022
Dec 16, 2022
Dec 16, 2022
Dec 16, 2022
Dec 16, 2022
Dec 16, 2022
Dec 16, 2022
Dec 16, 2022
Dec 16, 2022
Dec 16, 2022
Dec 16, 2022
Dec 16, 2022
Dec 16, 2022
Dec 16, 2022
Dec 16, 2022
Dec 16, 2022
Dec 16, 2022
Dec 16, 2022
Aug 16, 2022
Aug 16, 2022
Aug 16, 2022
Aug 9, 2022
Aug 5, 2022
Aug 3, 2022
Aug 3, 2022
Aug 3, 2022
Aug 3, 2022
Aug 3, 2022
Aug 3, 2022
Aug 3, 2022
Aug 3, 2022
Aug 3, 2022
Aug 3, 2022
Aug 3, 2022
Aug 3, 2022
Aug 3, 2022
Aug 3, 2022
Aug 3, 2022
Aug 3, 2022
Aug 3, 2022
Aug 3, 2022
Aug 3, 2022
Aug 3, 2022
Aug 3, 2022
Aug 3, 2022
Aug 3, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Aug 2, 2022
Jan 25, 2022
Nov 16, 2021
Oct 7, 2021
Decision to grant a European patent
Search/Exam
Sep 17, 2021
(Electronic) Receipt
Search/Exam
Sep 17, 2021
Filing of the translations of the claims
Search/Exam
Sep 17, 2021
French translation of claims
Search/Exam
Sep 17, 2021
German translation of the claims
Search/Exam
Aug 23, 2021
Aug 23, 2021
Aug 23, 2021
Intention to grant (signatures)
Search/Exam
Aug 23, 2021
Text intended for grant (clean copy)
Search/Exam
Aug 23, 2021
Jun 17, 2021
Apr 28, 2021
(Electronic) Receipt
Search/Exam
Apr 28, 2021
Amended description with annotations
Search/Exam
Apr 28, 2021
Description
Search/Exam
Apr 28, 2021
Drawings
Search/Exam
Apr 28, 2021
Letter accompanying subsequently filed items
Search/Exam
Apr 28, 2021
Jan 28, 2021
Annex to the communication
Search/Exam
Jan 28, 2021
Communication from the Examining Division
Search/Exam
Jan 13, 2021
(Electronic) Receipt
Search/Exam
Jan 13, 2021
Amended claims with annotations
Search/Exam
Jan 13, 2021
Claims
Search/Exam
Jan 13, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 13, 2021
Nov 12, 2020
Annex to the communication
Search/Exam
Nov 12, 2020
Communication from the Examining Division
Search/Exam
Nov 4, 2020
(Electronic) Receipt
Search/Exam
Nov 4, 2020
Amended claims with annotations
Search/Exam
Nov 4, 2020
Claims
Search/Exam
Nov 4, 2020
Letter accompanying subsequently filed items
Search/Exam
Nov 4, 2020
Sep 4, 2020
Annex to the communication
Search/Exam
Sep 4, 2020
Communication from the Examining Division
Search/Exam
Jul 20, 2020
(Electronic) Receipt
Search/Exam
Jul 20, 2020
Amended claims with annotations
Search/Exam
Jul 20, 2020
Claims
Search/Exam
Jul 20, 2020
Letter accompanying subsequently filed items
Search/Exam
Jul 20, 2020
May 15, 2020
May 12, 2020
(Electronic) Receipt
Search/Exam
May 12, 2020
Letter accompanying subsequently filed items
Search/Exam
May 12, 2020
Jan 13, 2020
Annex to the communication
Search/Exam
Jan 13, 2020
Communication from the Examining Division
Search/Exam
Jan 2, 2020
Examination started
Search/Exam
Sep 23, 2019
(Electronic) Receipt
Search/Exam
Sep 23, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 23, 2019
Reply to Written Opinion prepared by the EPO
Search/Exam
Apr 29, 2019
Mar 27, 2019
Notification of forthcoming publication
Search/Exam
Apr 12, 2018
Apr 12, 2018
European search opinion
Search/Exam
Apr 12, 2018
European search report
Search/Exam
Apr 12, 2018
Information on Search Strategy
Search/Exam
Apr 6, 2018
Modified abstract
Search/Exam
Apr 3, 2018
Search started
Search/Exam
Jan 11, 2018
CDS Clean up - amended applicant details
Search/Exam
Dec 8, 2017
Communication to designated inventor
Search/Exam
Oct 17, 2017
Abstract
Search/Exam
Oct 17, 2017
Oct 17, 2017
Claims
Search/Exam
Oct 17, 2017
Description
Search/Exam
Oct 17, 2017
Designation of inventor
Search/Exam
Oct 17, 2017
Drawings
Search/Exam
Oct 17, 2017
Request for grant of a European patent
Search/Exam