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The patent EP3140328 was granted to Basell Poliolefine Italia on Nov 18, 2020. The application was filed on May 6, 2015 under application number EP15719487A. 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 |
|---|---|---|---|
| WR GRACE & CONN | Aug 18, 2021 | J A KEMP | ADMISSIBLE |
| BOREALIS | Aug 17, 2021 | KADOR & PARTNER | ADMISSIBLE |
| BOREALIS | Aug 17, 2021 | KADOR & PARTNER PART MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0318049 |
| DESCRIPTION | EP1012195 |
| DESCRIPTION | US4399054 |
| DESCRIPTION | US4469648 |
| DESCRIPTION | US6365685 |
| DESCRIPTION | WO0002929 |
| DESCRIPTION | WO03040201 |
| DESCRIPTION | WO9704015 |
| DESCRIPTION | WO9844009 |
| EXAMINATION | EP1095951 |
| EXAMINATION | EP1903070 |
| EXAMINATION | EP1940888 |
| INTERNATIONAL-SEARCH-REPORT | EP1903070 |
| OPPOSITION | EP0728769 |
| OPPOSITION | EP1083187 |
| OPPOSITION | EP2281851 |
| OPPOSITION | US4315088 |
| OPPOSITION | US4816433 |
| OPPOSITION | US4829037 |
| OPPOSITION | US4839321 |
| OPPOSITION | US6057413 |
| OPPOSITION | US6365685 |
| OPPOSITION | US6420021 |
| OPPOSITION | US6737171 |
| OPPOSITION | US7001965 |
| OPPOSITION | WO2004033509 |
| OPPOSITION | WO2004055101 |
| OPPOSITION | WO2005095465 |
| OPPOSITION | WO2006065799 |
| OPPOSITION | WO2006120190 |
| OPPOSITION | WO2015169652 |
| OPPOSITION | WO2015169653 |
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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Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
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(Electronic) Receipt
Appeal
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Appeal
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Reply to appeal
Appeal
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Sep 6, 2023
(Electronic) Receipt
Appeal
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Appeal
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(Electronic) Receipt
Appeal
Jun 23, 2023
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Notice of appeal
Appeal
Jun 21, 2023
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Jun 15, 2023
(Electronic) Receipt
Appeal
Jun 15, 2023
Jun 15, 2023
Notice of appeal
Appeal
May 2, 2023
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Nov 30, 2020
Oct 22, 2020
Decision to grant a European patent
Search/Exam
Oct 13, 2020
(Electronic) Receipt
Search/Exam
Oct 13, 2020
Filing of the translations of the claims
Search/Exam
Oct 13, 2020
French translation of claims
Search/Exam
Oct 13, 2020
German translation of the claims
Search/Exam
Jun 30, 2020
Jun 30, 2020
Jun 30, 2020
Intention to grant (signatures)
Search/Exam
Jun 30, 2020
Text intended for grant (clean copy)
Search/Exam
Jun 30, 2020
Feb 6, 2020
Feb 3, 2020
Jan 14, 2020
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Mar 22, 2019
(Electronic) Receipt
Search/Exam
Mar 22, 2019
Claims
Search/Exam
Mar 22, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 22, 2019
Dec 18, 2018
Annex to the communication
Search/Exam
Dec 18, 2018
Communication from the Examining Division
Search/Exam
Dec 12, 2018
Examination started
Search/Exam
Feb 26, 2018
Feb 6, 2018
Jan 10, 2018
May 30, 2017
(Electronic) Receipt
Search/Exam
May 30, 2017
May 30, 2017
Amendments received before examination
Search/Exam
May 30, 2017
Letter accompanying subsequently filed items
Search/Exam
Feb 15, 2017
Dec 13, 2016
Dec 9, 2016
Communication to designated inventor
Search/Exam
Dec 9, 2016
Communication to designated inventor
Search/Exam
Dec 9, 2016
Communication to designated inventor
Search/Exam
Dec 9, 2016
Communication to designated inventor
Search/Exam
Dec 9, 2016
Communication to designated inventor
Search/Exam
Dec 9, 2016
Communication to designated inventor
Search/Exam
Dec 9, 2016
Communication to designated inventor
Search/Exam
Dec 6, 2016
Priority search results copy provided by EPO
Search/Exam
Nov 21, 2016
Oct 17, 2016
(Electronic) Receipt
Search/Exam
Oct 17, 2016
Request for entry into the European phase
Search/Exam
Sep 16, 2016
Information on entry into European phase
Search/Exam
Dec 1, 2015
Nov 12, 2015
Copy of the international search report
Search/Exam
Nov 12, 2015
Published international application - A1
Search/Exam
Aug 3, 2015
Aug 3, 2015
Aug 3, 2015
May 6, 2015
(Electronic) Receipt
PCTRO
May 6, 2015
Abstract
PCTRO
May 6, 2015
Claims
PCTRO
May 6, 2015
Description
PCTRO
May 6, 2015