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The patent EP2989016 was granted to Engineered Polymer Solutions on Aug 4, 2021. The application was filed on Sep 24, 2014 under application number EP14851290A. The patent is currently recorded with a legal status of "Revoked".

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 | May 4, 2022 | APPLEYARD LEES | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US19340616814 |
| DESCRIPTION | US19940616813 |
| DESCRIPTION | US2010260954 |
| INTERNATIONAL-SEARCH-REPORT | US2010260954 |
| INTERNATIONAL-SEARCH-REPORT | US2012125799 |
| INTERNATIONAL-SEARCH-REPORT | US2012276315 |
| INTERNATIONAL-SEARCH-REPORT | US6143841 |
| INTERNATIONAL-SEARCH-REPORT | WO2011130671 |
| OPPOSITION | JP2002201411 |
| OPPOSITION | JP2003089746 |
| OPPOSITION | JP2003213201 |
| OPPOSITION | JP2004346131 |
| OPPOSITION | US2009047524 |
| OPPOSITION | US2010260954 |
| OPPOSITION | US2011171481 |
| OPPOSITION | US2012276315 |
| OPPOSITION | US4452954 |
| OPPOSITION | WO2006081943 |
| OPPOSITION | WO2007021780 |
| OPPOSITION | WO2013111814 |
| OPPOSITION | WO2013180067 |
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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Aug 17, 2021
Jul 8, 2021
Decision to grant a European patent
Search/Exam
Jun 28, 2021
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May 7, 2021
Invitation to file an authorisation
Search/Exam
Apr 27, 2021
(Electronic) Receipt
Search/Exam
Apr 27, 2021
French translation of claims
Search/Exam
Apr 27, 2021
German translation of the claims
Search/Exam
Apr 27, 2021
Letter accompanying subsequently filed items
Search/Exam
Apr 19, 2021
(Electronic) Receipt
Search/Exam
Apr 19, 2021
Letter accompanying subsequently filed items
Search/Exam
Apr 19, 2021
Jan 28, 2021
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Intention to grant (signatures)
Search/Exam
Jan 28, 2021
Text intended for grant (clean copy)
Search/Exam
Jan 28, 2021
Apr 27, 2020
(Electronic) Receipt
Search/Exam
Apr 27, 2020
Amended description with annotations
Search/Exam
Apr 27, 2020
Description
Search/Exam
Apr 27, 2020
Letter accompanying subsequently filed items
Search/Exam
Apr 27, 2020
Mar 6, 2020
Feb 28, 2020
Oct 21, 2019
Annex to the communication
Search/Exam
Oct 21, 2019
Communication from the Examining Division
Search/Exam
Dec 13, 2018
Amended claims with annotations
Search/Exam
Dec 13, 2018
Claims
Search/Exam
Dec 13, 2018
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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 11, 2017
Dec 13, 2016
Nov 24, 2016
Nov 24, 2016
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
May 9, 2016
Communication to designated inventor
Search/Exam
Apr 19, 2016
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Reply by International Bureau
Search/Exam
Nov 19, 2015
Reply by International Bureau
Search/Exam
Nov 9, 2015
Enquiry with the International Bureau
Search/Exam
Oct 26, 2015
(Electronic) Receipt
Search/Exam
Oct 26, 2015
Oct 26, 2015
Amended claims with annotations
Search/Exam
Oct 26, 2015
Request for entry into the European phase
Search/Exam
Sep 1, 2015
Aug 4, 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