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The patent EP3570969 was granted to Basell Poliolefine Italia on May 15, 2024. The application was filed on Dec 15, 2017 under application number EP17818531A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| THE DOW CHEMICAL | Dec 1, 2021 | BOULT WADE TENNANT | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0728770 |
| DESCRIPTION | EP0782587 |
| DESCRIPTION | EP1012195 |
| DESCRIPTION | WO0002929 |
| DESCRIPTION | WO9704015 |
| DESCRIPTION | WO9844009 |
| INTERNATIONAL-SEARCH-REPORT | EP0856530 |
| INTERNATIONAL-SEARCH-REPORT | EP1083192 |
| INTERNATIONAL-SEARCH-REPORT | US6111034 |
| OPPOSITION | US5541270 |
| OPPOSITION | US5693727 |
| OPPOSITION | US5962606 |
| OPPOSITION | US6075101 |
| OPPOSITION | US6111034 |
| OPPOSITION | US6689847 |
| OPPOSITION | WO2016150997 |
| OPPOSITION | WO2018134007 |
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.
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Decision to grant a European patent
Search/Exam
Feb 1, 2021
(Electronic) Receipt
Search/Exam
Feb 1, 2021
Filing of the translations of the claims
Search/Exam
Feb 1, 2021
French translation of claims
Search/Exam
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German translation of the claims
Search/Exam
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Intention to grant (signatures)
Search/Exam
Oct 8, 2020
Text intended for grant (clean copy)
Search/Exam
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(Electronic) Receipt
Search/Exam
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Amended claims with annotations
Search/Exam
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Amended description with annotations
Search/Exam
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Amended description with annotations
Search/Exam
Aug 6, 2020
Claims
Search/Exam
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Description
Search/Exam
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Description
Search/Exam
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Letter accompanying subsequently filed items
Search/Exam
Aug 6, 2020
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Annex to the communication
Search/Exam
Jun 4, 2020
Communication from the Examining Division
Search/Exam
May 25, 2020
Examination started
Search/Exam
Mar 4, 2020
(Electronic) Receipt
Search/Exam
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Amended claims with annotations
Search/Exam
Mar 4, 2020
Amendments received before examination
Search/Exam
Mar 4, 2020
Letter accompanying subsequently filed items
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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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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Communication to designated inventor
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Communication to designated inventor
Search/Exam
Aug 20, 2019
Priority search results copy provided by EPO
Search/Exam
Aug 7, 2019
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(Electronic) Receipt
Search/Exam
Jul 9, 2019
Request for entry into the European phase
Search/Exam
Jun 3, 2019
Information on entry into European phase
Search/Exam
Aug 16, 2018
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Copy of the international search report
Search/Exam
Jul 26, 2018
Published international application - A1
Search/Exam
May 22, 2018
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(Electronic) Receipt
PCTRO
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(Electronic) Receipt
PCTRO
Dec 15, 2017
Abstract
PCTRO
Dec 15, 2017
Claims
PCTRO
Dec 15, 2017
Description
PCTRO
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PCTRO
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