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The patent EP3545034 was granted to ABU Dhabi Polymers Borouge on May 10, 2023. The application was filed on Nov 23, 2017 under application number EP17811869A. 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 |
|---|---|---|---|
| BASELL POLYOLEFINE | Feb 8, 2024 | LYONDELLBASELL | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2003088021 |
| INTERNATIONAL-SEARCH-REPORT | US2005261435 |
| OPPOSITION | WO2008058371 |
| OPPOSITION | WO2014134193 |
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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Means of redress
OPPO
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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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Decision to grant a European patent
Search/Exam
Mar 30, 2023
(Electronic) Receipt
Search/Exam
Mar 30, 2023
Filing of the translations of the claims
Search/Exam
Mar 30, 2023
French translation of claims
Search/Exam
Mar 30, 2023
German translation of the claims
Search/Exam
Mar 30, 2023
Letter accompanying subsequently filed items
Search/Exam
Feb 1, 2023
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Intention to grant (signatures)
Search/Exam
Feb 1, 2023
Text intended for grant (clean copy)
Search/Exam
Feb 1, 2023
Nov 28, 2022
(Electronic) Receipt
Search/Exam
Nov 28, 2022
Letter accompanying subsequently filed items
Search/Exam
Feb 4, 2022
Jan 31, 2022
Letter accompanying subsequently filed items
Search/Exam
Jan 31, 2022
May 14, 2021
(Electronic) Receipt
Search/Exam
May 14, 2021
Amended description with annotations
Search/Exam
May 14, 2021
Description
Search/Exam
May 14, 2021
Letter accompanying subsequently filed items
Search/Exam
May 14, 2021
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Annex to the communication
Search/Exam
Jan 13, 2021
Communication from the Examining Division
Search/Exam
Dec 22, 2020
Examination started
Search/Exam
Feb 6, 2020
Decision to allow further processing
Search/Exam
Jan 24, 2020
(Electronic) Receipt
Search/Exam
Jan 24, 2020
Jan 24, 2020
Amended claims with annotations
Search/Exam
Jan 24, 2020
Amendments received before examination
Search/Exam
Jan 24, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 24, 2020
Request for further processing
Search/Exam
Sep 4, 2019
Jul 11, 2019
Jul 4, 2019
Priority search results copy provided by EPO
Search/Exam
Jun 28, 2019
Communication to designated inventor
Search/Exam
Jun 28, 2019
Communication to designated inventor
Search/Exam
Jun 28, 2019
Communication to designated inventor
Search/Exam
Jun 18, 2019
(Electronic) Receipt
Search/Exam
Jun 18, 2019
Request for entry into the European phase
Search/Exam
Jun 11, 2019
Apr 5, 2019
Information on entry into European phase
Search/Exam
Sep 12, 2018
Sep 12, 2018
Notification of the recording of a change
Search/Exam
Jul 23, 2018
(Electronic) Receipt
PCTRO
Jul 23, 2018
Jun 20, 2018
May 31, 2018
Copy of the international search report
Search/Exam
May 31, 2018
Published international application - A1
Search/Exam
Apr 24, 2018
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Feb 13, 2018
ISR: cited documents
PCTISA
Feb 12, 2018
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(Electronic) Receipt
PCTRO
Nov 23, 2017
Abstract
PCTRO
Nov 23, 2017
Claims
PCTRO
Nov 23, 2017
Description
PCTRO
Nov 23, 2017
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Drawings
PCTRO
Nov 23, 2017
Nov 23, 2017