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The patent EP3553096 was granted to Borealis on Mar 18, 2020. The application was filed on Apr 10, 2018 under application number EP18166433A. 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 | Dec 17, 2020 | SMITH | ADMISSIBLE |
| LUMMUS NOVOLEN TECHNOLOGY | Dec 17, 2020 | KRAUS & LEDERER PARTGMBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0887379 |
| DESCRIPTION | US2005142367 |
| DESCRIPTION | WO0068315 |
| DESCRIPTION | WO03000754 |
| DESCRIPTION | WO03000757 |
| DESCRIPTION | WO2004000899 |
| DESCRIPTION | WO2004029112 |
| DESCRIPTION | WO2004111095 |
| DESCRIPTION | WO2007137853 |
| DESCRIPTION | WO2013174778 |
| DESCRIPTION | WO2015086213 |
| DESCRIPTION | WO9212182 |
| DESCRIPTION | WO9924478 |
| DESCRIPTION | WO9924479 |
| OPPOSITION | EP2965908 |
| OPPOSITION | US2005197456 |
| OPPOSITION | US2010137505 |
| OPPOSITION | US5948547 |
| OPPOSITION | US6221984 |
| OPPOSITION | WO0011076 |
| OPPOSITION | WO2009019169 |
| OPPOSITION | WO2016146578 |
| SEARCH | WO2009019169 |
| SEARCH | WO2017021137 |
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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Oct 1, 2025
Oct 1, 2025
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Sep 23, 2025
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Annex
Search/Exam
Jun 24, 2025
Annexes in respect of a client data request
Search/Exam
Jun 24, 2025
Annexes in respect of a client data request
Search/Exam
Jun 24, 2025
Annexes in respect of a client data request
Search/Exam
Jun 24, 2025
Letter accompanying subsequently filed items
Search/Exam
Jun 24, 2025
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Dec 27, 2024
(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
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Aug 28, 2024
(Electronic) Receipt
Appeal
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Appeal
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Notice of appeal
Appeal
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Notice of appeal
Appeal
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Description
OPPO
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Description
OPPO
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Mar 30, 2020
Feb 20, 2020
Decision to grant a European patent
Search/Exam
Feb 7, 2020
(Electronic) Receipt
Search/Exam
Feb 7, 2020
Filing of the translations of the claims
Search/Exam
Feb 7, 2020
French translation of claims
Search/Exam
Feb 7, 2020
German translation of the claims
Search/Exam
Nov 20, 2019
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Intention to grant (signatures)
Search/Exam
Nov 20, 2019
Text intended for grant (clean copy)
Search/Exam
Nov 20, 2019
Oct 30, 2019
Refund of fees
Search/Exam
Oct 30, 2019
Refund of fees
Search/Exam
Oct 22, 2019
(Electronic) Receipt
Search/Exam
Oct 22, 2019
Letter accompanying subsequently filed items
Search/Exam
Oct 21, 2019
Oct 17, 2019
Examination started
Search/Exam
Sep 18, 2019
Notification of forthcoming publication
Search/Exam
Jul 18, 2019
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Jul 12, 2019
(Electronic) Receipt
Search/Exam
Jul 12, 2019
Jul 12, 2019
Amended claims with annotations
Search/Exam
Jul 12, 2019
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Amended description with annotations
Search/Exam
Jul 12, 2019
Amendments received before examination
Search/Exam
Jul 12, 2019
Letter accompanying subsequently filed items
Search/Exam
Jun 4, 2019
General authorisation
Search/Exam
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European search opinion
Search/Exam
Sep 19, 2018
European search report
Search/Exam
Sep 19, 2018
Information on Search Strategy
Search/Exam
Aug 9, 2018
Search started
Search/Exam
Jun 4, 2018
Communication to designated inventor
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Jun 4, 2018
Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
Apr 10, 2018
Abstract
Search/Exam
Apr 10, 2018
Apr 10, 2018
Claims
Search/Exam
Apr 10, 2018
Description
Search/Exam
Apr 10, 2018
Designation of inventor
Search/Exam
Apr 10, 2018
Request for grant of a European patent
Search/Exam