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The patent EP3298079 was granted to Ineos Styrolution Group on Jan 23, 2019. The application was filed on May 12, 2016 under application number EP16725402A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| ELIX POLYMERS | Oct 16, 2019 | SUGRANES | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP0328960 |
| INTERNATIONAL-SEARCH-REPORT | EP1567596 |
| OPPOSITION | EP0094135 |
| OPPOSITION | EP0190884 |
| OPPOSITION | EP0328960 |
| OPPOSITION | US2002103295 |
| OPPOSITION | US2002103296 |
| OPPOSITION | US2003092836 |
| OPPOSITION | US2003225219 |
| OPPOSITION | US2004132905 |
| OPPOSITION | US2006122325 |
| OPPOSITION | US2009281216 |
| OPPOSITION | US4713420 |
| OTHER | EP0328960 |
| OTHER | EP1567596 |
| OTHER | US2003092836 |
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
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Dec 27, 2023
Dec 21, 2023
Dec 20, 2023
Dec 20, 2023
Dec 20, 2023
Dec 5, 2023
Dec 5, 2023
Dec 5, 2023
Oct 11, 2023
Oct 10, 2023
(Electronic) Receipt
Appeal
Oct 10, 2023
Oct 9, 2023
(Electronic) Receipt
Appeal
Oct 9, 2023
Oct 9, 2023
Sep 28, 2023
Sep 27, 2023
(Electronic) Receipt
Appeal
Sep 27, 2023
Sep 27, 2023
Aug 8, 2023
Aug 8, 2023
Aug 8, 2023
Aug 3, 2023
(Electronic) Receipt
Appeal
Aug 3, 2023
Aug 3, 2023
Aug 2, 2023
Aug 1, 2023
(Electronic) Receipt
Appeal
Aug 1, 2023
Aug 1, 2023
Aug 1, 2023
Jul 27, 2023
(Electronic) Receipt
Appeal
Jul 27, 2023
Jun 14, 2023
Jun 14, 2023
Apr 18, 2023
Mar 23, 2023
Mar 21, 2023
Mar 21, 2023
Mar 21, 2023
Mar 15, 2023
(Electronic) Receipt
Appeal
Mar 15, 2023
Mar 15, 2023
Mar 7, 2023
Feb 28, 2023
(Electronic) Receipt
Appeal
Feb 28, 2023
Feb 28, 2023
Feb 22, 2023
Feb 22, 2023
Jan 2, 2023
Advice of delivery
Appeal
Dec 16, 2022
Advice of delivery
Appeal
Dec 14, 2022
Dec 14, 2022
Dec 9, 2022
Nov 25, 2021
Oct 7, 2021
Oct 4, 2021
(Electronic) Receipt
Appeal
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Oct 4, 2021
Reply to appeal
Appeal
Jul 12, 2021
Jul 2, 2021
(Electronic) Receipt
Appeal
Jul 2, 2021
Jul 2, 2021
Jul 2, 2021
May 6, 2021
May 6, 2021
Apr 28, 2021
(Electronic) Receipt
Appeal
Apr 28, 2021
Apr 28, 2021
Notice of appeal
Appeal
Mar 25, 2021
Mar 16, 2021
Mar 12, 2021
Mar 12, 2021
Mar 12, 2021
Mar 12, 2021
Mar 12, 2021
Mar 12, 2021
Mar 12, 2021
Means of redress
OPPO
Mar 12, 2021
Mar 12, 2021
Mar 12, 2021
Mar 12, 2021
Mar 12, 2021
Mar 12, 2021
Feb 3, 2021
Dec 22, 2020
Dec 22, 2020
Dec 7, 2020
Dec 7, 2020
Dec 7, 2020
Dec 4, 2020
Dec 1, 2020
Dec 1, 2020
Dec 1, 2020
Authorisation
OPPO
Dec 1, 2020
Dec 1, 2020
Dec 1, 2020
Dec 1, 2020
Dec 1, 2020
Dec 1, 2020
Jul 13, 2020
Jul 9, 2020
Jul 6, 2020
Jul 6, 2020
Jul 6, 2020
Jul 6, 2020
Jul 6, 2020
Jul 6, 2020
Jun 25, 2020
Jun 22, 2020
Jun 22, 2020
Jun 22, 2020
Jun 22, 2020
Jun 22, 2020
May 12, 2020
May 7, 2020
May 7, 2020
May 7, 2020
Mar 20, 2020
Mar 12, 2020
Mar 12, 2020
Mar 12, 2020
Mar 12, 2020
Nov 5, 2019
Nov 5, 2019
Oct 22, 2019
Oct 16, 2019
Oct 16, 2019
Authorisation
OPPO
Oct 16, 2019
Oct 16, 2019
Oct 16, 2019
Oct 16, 2019
Oct 16, 2019
Oct 16, 2019
Oct 16, 2019
Oct 16, 2019
Oct 16, 2019
Oct 16, 2019
Oct 16, 2019
Oct 16, 2019
Oct 16, 2019
Feb 4, 2019
Jan 7, 2019
Decision to grant a European patent
Search/Exam
Nov 13, 2018
Nov 13, 2018
Nov 13, 2018
Nov 7, 2018
(Electronic) Receipt
Search/Exam
Nov 7, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 7, 2018
Observations by third parties
Search/Exam
Nov 2, 2018
Oct 31, 2018
(Electronic) Receipt
Search/Exam
Oct 31, 2018
English translation of the claims
Search/Exam
Oct 31, 2018
Filing of the translations of the claims
Search/Exam
Oct 31, 2018
French translation of claims
Search/Exam
Oct 31, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 10, 2018
Oct 10, 2018
Oct 3, 2018
(Electronic) Receipt
Search/Exam
Oct 3, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 3, 2018
Observations by third parties
Search/Exam
Oct 3, 2018
Patent document filed by a Third party
Search/Exam
Oct 1, 2018
Oct 1, 2018
Oct 1, 2018
Intention to grant (signatures)
Search/Exam
Oct 1, 2018
Text intended for grant (clean copy)
Search/Exam
Oct 1, 2018
Feb 28, 2018
Feb 1, 2018
(Electronic) Receipt
Search/Exam
Feb 1, 2018
Feb 1, 2018
Amended description with annotations
Search/Exam
Feb 1, 2018
Amendments received before examination
Search/Exam
Feb 1, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 5, 2018
Dec 22, 2017
Communication to designated inventor
Search/Exam
Dec 11, 2017
(Electronic) Receipt
Search/Exam
Dec 11, 2017
Request for entry into the European phase
Search/Exam
Dec 6, 2017
Sep 29, 2017
Information on entry into European phase
Search/Exam
Sep 14, 2017
Sep 14, 2017
Notification of the recording of a change
Search/Exam
Dec 12, 2016
Nov 24, 2016
Copy of the international search report
Search/Exam
Nov 24, 2016
Nov 24, 2016
Published international application - A1
Search/Exam
Jul 15, 2016
Jul 15, 2016
Jul 15, 2016
May 31, 2016
May 12, 2016
(Electronic) Receipt
PCTRO
May 12, 2016
Abstract
PCTRO
May 12, 2016
Claims
PCTRO
May 12, 2016
Description
PCTRO
May 12, 2016
May 12, 2016
May 12, 2016