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The patent EP2996954 was granted to Engineered Polymer Solutions on Apr 5, 2023. The application was filed on Sep 24, 2014 under application number EP14850162A. 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 |
|---|---|---|---|
| PPG INDUSTRIES | Jan 5, 2024 | APPLEYARD LEES | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2010260954 |
| INTERNATIONAL-SEARCH-REPORT | US2012125799 |
| INTERNATIONAL-SEARCH-REPORT | US2012276315 |
| INTERNATIONAL-SEARCH-REPORT | US6143841 |
| INTERNATIONAL-SEARCH-REPORT | WO2011130671 |
| OPPOSITION | EP2808367 |
| OPPOSITION | EP2857465 |
| OPPOSITION | JP2002201411 |
| OPPOSITION | JP2003089746 |
| OPPOSITION | JP2003213201 |
| OPPOSITION | JP2004346131 |
| OPPOSITION | US2009047524 |
| OPPOSITION | US2010260954 |
| OPPOSITION | US2011171481 |
| OPPOSITION | US2012276315 |
| OPPOSITION | US4452954 |
| OPPOSITION | WO2006081943 |
| OPPOSITION | WO2007021780 |
| OPPOSITION | WO2010062928 |
| OPPOSITION | WO2013111814 |
| OPPOSITION | WO2013180067 |
| OPPOSITION | WO2015050756 |
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 15, 2025
Dec 15, 2025
Dec 9, 2025
(Electronic) Receipt
Appeal
Dec 9, 2025
Notice of appeal
Appeal
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Means of redress
OPPO
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Decision to grant a European patent
Search/Exam
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Feb 20, 2023
(Electronic) Receipt
Search/Exam
Feb 20, 2023
Filing of the translations of the claims
Search/Exam
Feb 20, 2023
French translation of claims
Search/Exam
Feb 20, 2023
German translation of the claims
Search/Exam
Feb 20, 2023
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Intention to grant (signatures)
Search/Exam
Dec 19, 2022
Text intended for grant (clean copy)
Search/Exam
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Jun 14, 2021
(Electronic) Receipt
Search/Exam
Jun 14, 2021
Amended claims with annotations
Search/Exam
Jun 14, 2021
Claims
Search/Exam
Jun 14, 2021
Letter accompanying subsequently filed items
Search/Exam
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Annex to the communication
Search/Exam
Feb 4, 2021
Communication from the Examining Division
Search/Exam
Apr 30, 2020
(Electronic) Receipt
Search/Exam
Apr 30, 2020
Amended claims with annotations
Search/Exam
Apr 30, 2020
Claims
Search/Exam
Apr 30, 2020
Letter accompanying subsequently filed items
Search/Exam
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Annex to the communication
Search/Exam
Oct 21, 2019
Communication from the Examining Division
Search/Exam
Dec 14, 2018
Amended claims with annotations
Search/Exam
Dec 14, 2018
Claims
Search/Exam
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Annexes in respect of a client data request
Search/Exam
Jul 17, 2018
Jun 7, 2018
Annex to the communication
Search/Exam
Jun 7, 2018
Communication from the Examining Division
Search/Exam
May 31, 2018
Examination started
Search/Exam
Nov 17, 2017
Decision to allow further processing
Search/Exam
Oct 18, 2017
Oct 18, 2017
Amended claims with annotations
Search/Exam
Oct 18, 2017
Amendments received before examination
Search/Exam
Oct 18, 2017
Payment of fees and costs
Search/Exam
Aug 10, 2017
Dec 13, 2016
Nov 24, 2016
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European search opinion
Search/Exam
Nov 24, 2016
Information on Search Strategy
Search/Exam
Nov 24, 2016
Supplementary European search report
Search/Exam
May 9, 2016
Communication to designated inventor
Search/Exam
May 9, 2016
Communication to designated inventor
Search/Exam
May 9, 2016
Communication to designated inventor
Search/Exam
Apr 19, 2016
Feb 24, 2016
Jan 5, 2016
Nov 19, 2015
(Electronic) Receipt
Search/Exam
Nov 19, 2015
Nov 19, 2015
Amended claims with annotations
Search/Exam
Nov 19, 2015
Request for entry into the European phase
Search/Exam
Aug 17, 2015
Notification of the recording of a change
Search/Exam
Apr 28, 2015
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Apr 9, 2015
Copy of the international search report
Search/Exam
Apr 9, 2015
Published international application - A1
Search/Exam