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The patent EP3807359 was granted to Borealis on May 3, 2023. The application was filed on Jun 14, 2019 under application number EP19730361A. 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 |
|---|---|---|---|
| CONTINENTAL | Feb 6, 2024 | CONTINENTAL | ADMISSIBLE |
| CONTINENTAL | Feb 6, 2024 | MEISSNER BOLTE PARTNERSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US5504172 |
| DESCRIPTION | WO0001745 |
| EXAMINATION | EP1862496 |
| INTERNATIONAL-SEARCH-REPORT | EP1862496 |
| INTERNATIONAL-SEARCH-REPORT | EP3031853 |
| INTERNATIONAL-SEARCH-REPORT | EP3173443 |
| INTERNATIONAL-SEARCH-REPORT | WO2009064993 |
| INTERNATIONAL-SEARCH-REPORT | WO2015135113 |
| OPPOSITION | CN104629175 |
| OPPOSITION | CN106674754 |
| OPPOSITION | CN106995576 |
| OPPOSITION | CN107250251 |
| OPPOSITION | CN1268529 |
| OPPOSITION | EP0936247 |
| OPPOSITION | EP1862496 |
| OPPOSITION | EP2682425 |
| OPPOSITION | EP3031852 |
| OPPOSITION | EP3281971 |
| OPPOSITION | EP3917978 |
| OPPOSITION | JPH0931253 |
| OPPOSITION | US2010286326 |
| OPPOSITION | US2011064931 |
| OPPOSITION | WO2008100720 |
| OPPOSITION | WO2009064993 |
| OPPOSITION | WO2015135113 |
| OPPOSITION | WO9812253 |
| OPPOSITION | WO9905688 |
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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Authorisation
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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May 16, 2023
Apr 6, 2023
Decision to grant a European patent
Search/Exam
Mar 21, 2023
(Electronic) Receipt
Search/Exam
Mar 21, 2023
Filing of the translations of the claims
Search/Exam
Mar 21, 2023
French translation of claims
Search/Exam
Mar 21, 2023
German translation of the claims
Search/Exam
Mar 21, 2023
Letter accompanying subsequently filed items
Search/Exam
Jan 10, 2023
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Intention to grant (signatures)
Search/Exam
Jan 10, 2023
Text intended for grant (clean copy)
Search/Exam
Jan 10, 2023
Dec 8, 2022
(Electronic) Receipt
Search/Exam
Dec 8, 2022
Amended claims with annotations
Search/Exam
Dec 8, 2022
Amended description with annotations
Search/Exam
Dec 8, 2022
Claims
Search/Exam
Dec 8, 2022
Description
Search/Exam
Dec 8, 2022
Letter accompanying subsequently filed items
Search/Exam
Dec 8, 2022
Aug 29, 2022
Annex to the communication
Search/Exam
Aug 29, 2022
Communication from the Examining Division
Search/Exam
Aug 23, 2022
Examination started
Search/Exam
Feb 4, 2022
Jan 31, 2022
Letter accompanying subsequently filed items
Search/Exam
Jan 31, 2022
Aug 4, 2021
(Electronic) Receipt
Search/Exam
Aug 4, 2021
Aug 4, 2021
Amended claims with annotations
Search/Exam
Aug 4, 2021
Amendments received before examination
Search/Exam
Aug 4, 2021
Letter accompanying subsequently filed items
Search/Exam
Mar 24, 2021
Feb 3, 2021
Feb 1, 2021
Communication to designated inventor
Search/Exam
Feb 1, 2021
Communication to designated inventor
Search/Exam
Jan 27, 2021
Priority search results copy provided by EPO
Search/Exam
Jan 15, 2021
(Electronic) Receipt
Search/Exam
Jan 15, 2021
Request for entry into the European phase
Search/Exam
Jan 11, 2021
Oct 23, 2020
Information on entry into European phase
Search/Exam
Feb 27, 2020
Feb 27, 2020
Notification of the recording of a change
Search/Exam
Feb 5, 2020
(Electronic) Receipt
PCTRO
Feb 5, 2020
Feb 5, 2020
Jan 8, 2020
Dec 19, 2019
Copy of the international search report
Search/Exam
Dec 19, 2019
Published international application - A1
Search/Exam
Jun 26, 2019
Jun 14, 2019
(Electronic) Receipt
PCTRO
Jun 14, 2019
Abstract
PCTRO
Jun 14, 2019
Claims
PCTRO
Jun 14, 2019
Description
PCTRO
Jun 14, 2019
Jun 14, 2019
Drawings
PCTRO
Jun 14, 2019
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