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The patent EP2427514 was granted to Polimeri Europa on Sep 13, 2017. The application was filed on Apr 23, 2010 under application number EP10724573A. 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 |
|---|---|---|---|
| SYNTHOS STYRENICS SPOLKA Z OGRANICZONA ODPOWIEDZIALNOSCIA | Jun 13, 2018 | EISENFUHR SPEISER | ADMISSIBLE |
| TOTAL RESEARCH & TECHNOLOGY FELUY | Jun 11, 2018 | AWA BENELUX | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE10141778 |
| INTERNATIONAL-SEARCH-REPORT | EP0863175 |
| INTERNATIONAL-SEARCH-REPORT | GB2448468 |
| INTERNATIONAL-SEARCH-REPORT | GB2449353 |
| INTERNATIONAL-SEARCH-REPORT | JP2004196907 |
| INTERNATIONAL-SEARCH-REPORT | US2006276557 |
| INTERNATIONAL-SEARCH-REPORT | US2007142488 |
| INTERNATIONAL-SEARCH-REPORT | US2008248272 |
| OPPOSITION | DE10141778 |
| OPPOSITION | EP0294783 |
| OPPOSITION | EP0372343 |
| OPPOSITION | EP0778309 |
| OPPOSITION | EP0863175 |
| OPPOSITION | EP2326685 |
| OPPOSITION | GB2448468 |
| OPPOSITION | GB2449353 |
| OPPOSITION | JP2004196907 |
| OPPOSITION | JPH10183011 |
| OPPOSITION | US2006276557 |
| OPPOSITION | US2007105967 |
| OPPOSITION | US2007142488 |
| OPPOSITION | US2008248272 |
| OPPOSITION | US2658877 |
| OPPOSITION | US4233199 |
| OPPOSITION | US4927859 |
| OPPOSITION | WO03035728 |
| OPPOSITION | WO03078517 |
| OPPOSITION | WO2006007996 |
| OPPOSITION | WO2006058733 |
| OPPOSITION | WO2006108672 |
| OPPOSITION | WO2007045454 |
| OPPOSITION | WO2007119102 |
| OPPOSITION | WO2008061678 |
| OPPOSITION | WO2009135695 |
| OPPOSITION | WO2010069584 |
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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Mar 27, 2023
Mar 24, 2023
Advice of delivery
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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Appeal
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Claims
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Reply to appeal
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Notice of appeal
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Notice of appeal
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Sep 14, 2017
Aug 18, 2017
Decision to grant a European patent
Search/Exam
Aug 1, 2017
(Electronic) Receipt
Search/Exam
Aug 1, 2017
Filing of the translations of the claims
Search/Exam
Aug 1, 2017
French translation of claims
Search/Exam
Aug 1, 2017
German translation of the claims
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Aug 1, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 31, 2017
Submission concerning representation
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Apr 3, 2017
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Intention to grant (signatures)
Search/Exam
Apr 3, 2017
Text intended for grant (clean copy)
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Apr 3, 2017
Jul 6, 2016
(Electronic) Receipt
Search/Exam
Jul 6, 2016
Amended claims with annotations
Search/Exam
Jul 6, 2016
Claims
Search/Exam
Jul 6, 2016
Letter accompanying subsequently filed items
Search/Exam
Jul 6, 2016
Mar 15, 2016
Annex to the communication
Search/Exam
Mar 15, 2016
Communication from the Examining Division
Search/Exam
Dec 10, 2015
(Electronic) Receipt
Search/Exam
Dec 10, 2015
Letter accompanying subsequently filed items
Search/Exam
Dec 10, 2015
Oct 14, 2015
Oct 8, 2015
(Electronic) Receipt
Search/Exam
Oct 8, 2015
Letter accompanying subsequently filed items
Search/Exam
Oct 8, 2015
Jun 11, 2015
Annex to the communication
Search/Exam
Jun 11, 2015
Communication from the Examining Division
Search/Exam
Dec 24, 2014
(Electronic) Receipt
Search/Exam
Dec 24, 2014
Abstract
Search/Exam
Dec 24, 2014
Amended claims with annotations
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Dec 24, 2014
Amended description with annotations
Search/Exam
Dec 24, 2014
Claims
Search/Exam
Dec 24, 2014
Description
Search/Exam
Dec 24, 2014
Letter accompanying subsequently filed items
Search/Exam
Dec 24, 2014
Sep 8, 2014
Annex to the communication
Search/Exam
Sep 8, 2014
Communication from the Examining Division
Search/Exam
Jan 27, 2014
(Electronic) Receipt
Search/Exam
Jan 27, 2014
Claims
Search/Exam
Jan 27, 2014
Letter accompanying subsequently filed items
Search/Exam
Jan 27, 2014
Sep 19, 2013
Annex to the communication
Search/Exam
Sep 19, 2013
Communication from the Examining Division
Search/Exam
Sep 16, 2013
Examination started
Search/Exam
Jun 4, 2012
(Electronic) Receipt
Search/Exam
Jun 4, 2012
Jun 4, 2012
Amendments received before examination
Search/Exam
Jun 4, 2012
Letter accompanying subsequently filed items
Search/Exam
Apr 26, 2012
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Feb 15, 2012
Dec 14, 2011
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Nov 3, 2011
Submission concerning representation
Search/Exam
Oct 27, 2011
(Electronic) Receipt
Search/Exam
Oct 27, 2011
Annex
Search/Exam
Oct 27, 2011
Request for entry into the European phase
Search/Exam
Sep 16, 2011
Information on entry into European phase
Search/Exam
Dec 3, 2010
Nov 11, 2010
Copy of the international search report
Search/Exam
Nov 11, 2010
Published international application - A1
Search/Exam
Aug 18, 2010
Aug 18, 2010
Aug 18, 2010