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The patent EP3802689 was granted to Totalenergies Onetech Belgium on Apr 27, 2022. The application was filed on May 17, 2019 under application number EP19724208A. 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 |
|---|---|---|---|
| INEOS EUROPE | Jan 27, 2023 | KING | ADMISSIBLE |
| REHAU INDUSTRIES | Jan 27, 2023 | - | ADMISSIBLE |
| SABIC SABIC PETROCHEMICALS | Jan 27, 2023 | SABIC GROUP | ADMISSIBLE |
| BASELL POLIOLEFINE ITALIA | Jan 26, 2023 | LYONDELLBASELL | ADMISSIBLE |
| SUSTAINABLE MATERIALS | Jan 26, 2023 | PRINZ & PARTNER MBB | ADMISSIBLE |
| VEOLIA ENVIRONNEMENT | Jan 26, 2023 | SANTARELLI | ADMISSIBLE |
| BRASKEM AMERICA | Jan 25, 2023 | ZACCO DENMARK | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2015169690 |
| INTERNATIONAL-SEARCH-REPORT | EP3165473 |
| INTERNATIONAL-SEARCH-REPORT | US2011105667 |
| INTERNATIONAL-SEARCH-REPORT | WO2015169690 |
| OPPOSITION | CN103030882 |
| OPPOSITION | CN104693595 |
| OPPOSITION | CN108586943 |
| OPPOSITION | EP2605806 |
| OPPOSITION | EP3165473 |
| OPPOSITION | EP3715410 |
| OPPOSITION | EP3733720 |
| OPPOSITION | EP3733764 |
| OPPOSITION | US2011105667 |
| OPPOSITION | US2011288190 |
| OPPOSITION | US8592501 |
| OPPOSITION | WO03087215 |
| OPPOSITION | WO2007071494 |
| OPPOSITION | WO2012117086 |
| OPPOSITION | WO2013010879 |
| OPPOSITION | WO2013025822 |
| OPPOSITION | WO2015169690 |
| OPPOSITION | WO2015169960 |
| OPPOSITION | WO2017044533 |
| OPPOSITION | WO2017076933 |
| OPPOSITION | WO2017122022 |
| OPPOSITION | WO2017194969 |
| OPPOSITION | WO2017220531 |
| OPPOSITION | WO2018206353 |
| OPPOSITION | WO2019086358 |
| OPPOSITION | WO2019086359 |
| OPPOSITION | WO2020182435 |
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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May 11, 2022
Mar 31, 2022
Decision to grant a European patent
Search/Exam
Mar 23, 2022
Mar 2, 2022
(Electronic) Receipt
Search/Exam
Mar 2, 2022
(Electronic) Receipt
Search/Exam
Mar 2, 2022
Annex
Search/Exam
Mar 2, 2022
Annexes in respect of a client data request
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Mar 2, 2022
Filing of the translations of the claims
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Mar 2, 2022
French translation of claims
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Mar 2, 2022
German translation of the claims
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Mar 2, 2022
Letter accompanying subsequently filed items
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Mar 2, 2022
Letter accompanying subsequently filed items
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Mar 2, 2022
Dec 23, 2021
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(Electronic) Receipt
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Dec 14, 2021
Letter accompanying subsequently filed items
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Dec 14, 2021
Nov 5, 2021
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Intention to grant (signatures)
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Nov 5, 2021
Text intended for grant (clean copy)
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Nov 5, 2021
Sep 16, 2021
Examination started
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Mar 17, 2021
Jan 19, 2021
Jan 15, 2021
Communication to designated inventor
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Jan 15, 2021
Communication to designated inventor
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Jan 15, 2021
Communication to designated inventor
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Jan 12, 2021
Priority search results copy provided by EPO
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Dec 14, 2020
Nov 24, 2020
(Electronic) Receipt
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Nov 24, 2020
Request for entry into the European phase
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Nov 5, 2020
Letter which had not been notified
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Oct 2, 2020
Information on entry into European phase
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Jan 3, 2020
Nov 28, 2019
Copy of the international search report
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Nov 28, 2019
Published international application - A1
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May 27, 2019
May 17, 2019
(Electronic) Receipt
PCTRO
May 17, 2019
Abstract
PCTRO
May 17, 2019
Claims
PCTRO
May 17, 2019
Description
PCTRO
May 17, 2019
May 17, 2019
May 17, 2019