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The patent EP2935365 was granted to Basell Polyolefine on Jan 17, 2018. The application was filed on Dec 16, 2013 under application number EP13811866A. 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 |
|---|---|---|---|
| LUNATI | Oct 16, 2018 | BALDER LAW | ADMISSIBLE |
| VERSALIS | Oct 16, 2018 | MARTURANO | ADMISSIBLE |
| CLARIANT PRODUKTE DEUTSCHLAND | Oct 15, 2018 | CLARIANT PRODUKTE DEUTSCHLAND | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0012368 |
| DESCRIPTION | US4091200 |
| DESCRIPTION | WO9914251 |
| INTERNATIONAL-SEARCH-REPORT | EP0012368 |
| INTERNATIONAL-SEARCH-REPORT | US2005037219 |
| INTERNATIONAL-SEARCH-REPORT | WO2008019873 |
| INTERNATIONAL-SEARCH-REPORT | WO2012084772 |
| INTERNATIONAL-SEARCH-REPORT | WO2013052264 |
| INTERNATIONAL-SEARCH-REPORT | WO9914251 |
| OPPOSITION | DD260399 |
| OPPOSITION | DD292465 |
| OPPOSITION | DE2802866 |
| OPPOSITION | KR20030085833 |
| OPPOSITION | US3404177 |
| OPPOSITION | US4379940 |
| OPPOSITION | WO2010081684 |
| OPPOSITION | WO2012084772 |
| OPPOSITION | WO8201548 |
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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(Electronic) Receipt
Appeal
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Authorisation
Appeal
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Reply to appeal
Appeal
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Appeal
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Appeal
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(Electronic) Receipt
Appeal
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Appeal
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Appeal
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Notice of appeal
Appeal
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OPPO
Jun 18, 2020
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Letter which had not been notified
Search/Exam
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OPPO
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OPPO
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Feb 2, 2018
Dec 21, 2017
Decision to grant a European patent
Search/Exam
Nov 9, 2017
(Electronic) Receipt
Search/Exam
Nov 9, 2017
French translation of claims
Search/Exam
Nov 9, 2017
German translation of the claims
Search/Exam
Nov 9, 2017
Letter accompanying subsequently filed items
Search/Exam
Sep 19, 2017
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Intention to grant (signatures)
Search/Exam
Sep 19, 2017
Text intended for grant (clean copy)
Search/Exam
Sep 19, 2017
Jan 17, 2017
(Electronic) Receipt
Search/Exam
Jan 17, 2017
Letter accompanying subsequently filed items
Search/Exam
Jan 17, 2017
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Dec 12, 2016
Annex to the communication
Search/Exam
Dec 12, 2016
Communication from the Examining Division
Search/Exam
Aug 25, 2016
(Electronic) Receipt
Search/Exam
Aug 25, 2016
Amended claims with annotations
Search/Exam
Aug 25, 2016
Claims
Search/Exam
Aug 25, 2016
Letter accompanying subsequently filed items
Search/Exam
Aug 25, 2016
Jul 13, 2016
Annex to the communication
Search/Exam
Jul 13, 2016
Communication from the Examining Division
Search/Exam
Jul 7, 2016
Examination started
Search/Exam
Jan 19, 2016
(Electronic) Receipt
Search/Exam
Jan 19, 2016
Amendments received before examination
Search/Exam
Jan 19, 2016
Letter accompanying subsequently filed items
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Sep 30, 2015
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Jul 24, 2015
Communication to designated inventor
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Jul 24, 2015
Communication to designated inventor
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Jul 24, 2015
Communication to designated inventor
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Jul 21, 2015
Priority search results copy provided by EPO
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Jul 7, 2015
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Jun 26, 2015
Citation filed by a third party
Search/Exam
Jun 26, 2015
Citation filed by a third party
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Jun 26, 2015
Citation filed by a third party
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Jun 26, 2015
Citation filed by a third party
Search/Exam
Jun 26, 2015
Citation filed by a third party
Search/Exam
Jun 26, 2015
Observations by third parties
Search/Exam
Jun 22, 2015
(Electronic) Receipt
Search/Exam
Jun 22, 2015
Request for entry into the European phase
Search/Exam
May 4, 2015
Information on entry into European phase
Search/Exam
Jul 17, 2014
Jun 26, 2014
Copy of the international search report
Search/Exam
Jun 26, 2014
Published international application - A1
Search/Exam
Feb 3, 2014
Feb 3, 2014
Feb 3, 2014
Dec 16, 2013
(Electronic) Receipt
PCTRO
Dec 16, 2013
Abstract
PCTRO
Dec 16, 2013
Claims
PCTRO
Dec 16, 2013
Description
PCTRO
Dec 16, 2013
Drawings
PCTRO
Dec 16, 2013