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The patent EP3037488 was granted to Engineered Polymer Solutions on Oct 5, 2022. The application was filed on Oct 18, 2005 under application number EP15199749A. 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 | Jul 3, 2023 | F & E PATENT | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2633458 |
| DESCRIPTION | US3479310 |
| DESCRIPTION | US4147679 |
| DESCRIPTION | US4692491 |
| OPPOSITION | DE2709308 |
| OPPOSITION | EP0389915 |
| OPPOSITION | EP0450452 |
| OPPOSITION | EP1262505 |
| OPPOSITION | GB1555868 |
| OPPOSITION | JP2002155234 |
| OPPOSITION | JPH0543830 |
| OPPOSITION | JPH06271779 |
| OPPOSITION | JPH07118544 |
| OPPOSITION | JPS5339387 |
| OPPOSITION | US2003069352 |
| OPPOSITION | US4148670 |
| OPPOSITION | US4247439 |
| OPPOSITION | US4289674 |
| OPPOSITION | US4647612 |
| OPPOSITION | US5087603 |
| OPPOSITION | US5521246 |
| OPPOSITION | US5714539 |
| OPPOSITION | WO03076530 |
| OPPOSITION | WO2004090020 |
| OTHER | JP2002155234 |
| OTHER | JPH09227824 |
| SEARCH | EP0389915 |
| SEARCH | GB1513866 |
| SEARCH | JPH0543830 |
| SEARCH | JPS5339387 |
| SEARCH | US3991216 |
| SEARCH | US4647612 |
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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Oct 17, 2022
Sep 8, 2022
Decision to grant a European patent
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Aug 19, 2022
(Electronic) Receipt
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Aug 19, 2022
Filing of the translations of the claims
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Aug 19, 2022
Letter accompanying subsequently filed items
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May 6, 2022
May 6, 2022
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Intention to grant (signatures)
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May 6, 2022
Text intended for grant (clean copy)
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May 6, 2022
Mar 9, 2022
(Electronic) Receipt
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Mar 9, 2022
Amended claims with annotations
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Mar 9, 2022
Claims
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Mar 9, 2022
French translation of claims
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Mar 9, 2022
German translation of the claims
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Mar 9, 2022
Letter accompanying subsequently filed items
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Mar 9, 2022
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Intention to grant (signatures)
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Dec 3, 2021
Text intended for grant (clean copy)
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Dec 3, 2021
Oct 28, 2021
(Electronic) Receipt
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Oct 28, 2021
Description
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Oct 28, 2021
Letter accompanying subsequently filed items
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Oct 28, 2021
Sep 27, 2021
Annex to the communication
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Sep 27, 2021
Communication from the Examining Division
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Aug 4, 2021
(Electronic) Receipt
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Aug 4, 2021
Amended claims with annotations
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Aug 4, 2021
Amended description with annotations
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Aug 4, 2021
Claims
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Aug 4, 2021
Description
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Aug 4, 2021
Letter accompanying subsequently filed items
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Aug 4, 2021
Mar 26, 2021
Annex to the communication
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Mar 26, 2021
Communication from the Examining Division
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Mar 9, 2021
Mar 3, 2021
Citation filed by a third party
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Mar 3, 2021
Citation filed by a third party
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Mar 3, 2021
Observations by third parties
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Feb 24, 2021
(Electronic) Receipt
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Feb 24, 2021
Amended description with annotations
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Feb 24, 2021
Description
Search/Exam
Feb 24, 2021
Letter accompanying subsequently filed items
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Feb 24, 2021
Oct 21, 2020
Annex to the communication
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Oct 21, 2020
Communication from the Examining Division
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Sep 26, 2019
Mar 19, 2019
Annex to the communication
Search/Exam
Mar 19, 2019
Communication from the Examining Division
Search/Exam
Oct 11, 2018
Oct 4, 2018
Sep 25, 2018
Aug 22, 2018
Aug 10, 2018
Jul 30, 2018
Annexes in respect of a client data request
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Jul 17, 2018
Dec 29, 2016
Dec 29, 2016
Amended claims with annotations
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Dec 29, 2016
Amendments received before examination
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Dec 29, 2016
Amendments received before examination
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Dec 29, 2016
Payment of fees and costs
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Jul 25, 2016
Communication to designated inventor
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Jul 14, 2016
Letter concerning the inventor
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Jul 4, 2016
Jun 24, 2016
Jun 16, 2016
Letter which had not been notified
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Jun 1, 2016
Notification of forthcoming publication
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May 30, 2016
May 30, 2016
European search opinion
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May 30, 2016
European search report
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May 30, 2016
Information on Search Strategy
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May 13, 2016
Search started
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Mar 31, 2016
Communication to designated inventor
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Mar 31, 2016
Communication to designated inventor
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Mar 31, 2016
Communication to designated inventor
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Mar 31, 2016
Communication to designated inventor
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Mar 31, 2016
Communication to designated inventor
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Mar 31, 2016
Payment of fees and costs
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Mar 17, 2016
Designation of inventor
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Mar 17, 2016
Letter concerning the inventor
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Jan 26, 2016
Deficiency in designation of inventor
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Dec 14, 2015
Abstract
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Dec 14, 2015
Dec 14, 2015
Claims
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Dec 14, 2015
Description
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Dec 14, 2015
Matter concerning the application
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Dec 14, 2015
May 17, 2006