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The patent EP4065674 was granted to Borealis on May 1, 2024. The application was filed on Nov 24, 2020 under application number EP20811322A. 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 |
|---|---|---|---|
| SONNEBORN REFINED PRODUCTS | Jan 31, 2025 | TOMKINS | ADMISSIBLE |
| THE DOW CHEMICAL | Jan 31, 2025 | BECK GREENER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US4798684 |
| DESCRIPTION | US5084197 |
| DESCRIPTION | WO2019028310 |
| INTERNATIONAL-SEARCH-REPORT | CN108384619 |
| INTERNATIONAL-SEARCH-REPORT | JP2003213283 |
| OPPOSITION | JP2003213283 |
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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Annex
Search/Exam
Jun 24, 2025
Annexes in respect of a client data request
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Jun 24, 2025
Annexes in respect of a client data request
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Jun 24, 2025
Annexes in respect of a client data request
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Jun 24, 2025
Letter accompanying subsequently filed items
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Decision to grant a European patent
Search/Exam
Mar 20, 2024
(Electronic) Receipt
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Mar 20, 2024
Filing of the translations of the claims
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Mar 20, 2024
French translation of claims
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Mar 20, 2024
German translation of the claims
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Feb 9, 2024
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Intention to grant (signatures)
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Feb 9, 2024
Text intended for grant (clean copy)
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Feb 9, 2024
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(Electronic) Receipt
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Jan 19, 2024
Amended claims with annotations
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Jan 19, 2024
Claims
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Jan 19, 2024
Letter accompanying subsequently filed items
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Annex to the communication
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Dec 6, 2023
Communication from the Examining Division
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Apr 26, 2023
(Electronic) Receipt
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Apr 26, 2023
Letter accompanying subsequently filed items
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Apr 26, 2023
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Annex to the communication
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Mar 13, 2023
Communication from the Examining Division
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Mar 7, 2023
Examination started
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Oct 13, 2022
Document concerning representation
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(Electronic) Receipt
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Amended claims with annotations
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Jul 19, 2022
Amendments received before examination
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Jul 19, 2022
Letter accompanying subsequently filed items
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Jul 5, 2022
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Priority search results copy provided by EPO
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Jun 24, 2022
(Electronic) Receipt
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Jun 24, 2022
Request for entry into the European phase
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Jun 13, 2022
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Information on entry into European phase
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Notification of the recording of a change
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Jun 21, 2021
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Copy of the international search report
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Jun 3, 2021
Published international application - A1
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Jan 26, 2021
ISR: cited documents
PCTISA
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(Electronic) Receipt
PCTRO
Nov 24, 2020
Abstract
PCTRO
Nov 24, 2020
Claims
PCTRO
Nov 24, 2020
Description
PCTRO
Nov 24, 2020
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