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The patent EP2072587 was granted to Borealis Technology on Jun 3, 2020. The application was filed on Dec 20, 2007 under application number EP07024737A. 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 |
|---|---|---|---|
| THE DOW CHEMICAL | Mar 3, 2021 | BOULT WADE TENNANT | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0075049 |
| DESCRIPTION | EP0428054 |
| DESCRIPTION | EP0479186 |
| DESCRIPTION | EP0628343 |
| DESCRIPTION | EP0688794 |
| DESCRIPTION | EP0699213 |
| DESCRIPTION | EP0810235 |
| DESCRIPTION | EP0837915 |
| DESCRIPTION | EP1316598 |
| DESCRIPTION | EP1739103 |
| DESCRIPTION | EP1752462 |
| DESCRIPTION | EP1859926 |
| DESCRIPTION | FI921632L |
| DESCRIPTION | FI933073L |
| DESCRIPTION | FI935856 |
| DESCRIPTION | US3324093 |
| DESCRIPTION | US3405109 |
| DESCRIPTION | US4582816 |
| DESCRIPTION | US4588790 |
| DESCRIPTION | US4877587 |
| DESCRIPTION | US4994534 |
| DESCRIPTION | US5391654 |
| DESCRIPTION | WO0155230 |
| DESCRIPTION | WO03010208 |
| DESCRIPTION | WO03051514 |
| DESCRIPTION | WO03051934 |
| DESCRIPTION | WO2004085499 |
| DESCRIPTION | WO2005118655 |
| DESCRIPTION | WO2006063771 |
| DESCRIPTION | WO9212182 |
| DESCRIPTION | WO9512622 |
| DESCRIPTION | WO9618662 |
| DESCRIPTION | WO9632423 |
| DESCRIPTION | WO9728170 |
| DESCRIPTION | WO9832776 |
| DESCRIPTION | WO9951646 |
| DESCRIPTION | WO9961489 |
| OPPOSITION | WO2004067654 |
| OPPOSITION | WO9703139 |
| SEARCH | EP1865037 |
| SEARCH | WO2004067654 |
| SEARCH | WO9703139 |
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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Sep 26, 2025
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Jul 8, 2025
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Mar 28, 2025
(Electronic) Receipt
Appeal
Mar 28, 2025
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Mar 10, 2025
(Electronic) Receipt
Appeal
Mar 10, 2025
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(Electronic) Receipt
Appeal
Jan 21, 2025
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(Electronic) Receipt
Appeal
Apr 23, 2024
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(Electronic) Receipt
Appeal
Jan 23, 2024
Jan 23, 2024
Jan 2, 2024
Dec 21, 2023
(Electronic) Receipt
Appeal
Dec 21, 2023
Dec 21, 2023
Dec 21, 2023
Reply to appeal
Appeal
Dec 18, 2023
(Electronic) Receipt
Appeal
Dec 18, 2023
Dec 18, 2023
Reply to appeal
Appeal
Aug 18, 2023
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Aug 15, 2023
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(Electronic) Receipt
Appeal
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Aug 8, 2023
(Electronic) Receipt
Appeal
Aug 8, 2023
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Jun 5, 2023
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May 31, 2023
(Electronic) Receipt
Appeal
May 31, 2023
May 31, 2023
Notice of appeal
Appeal
May 23, 2023
(Electronic) Receipt
Appeal
May 23, 2023
May 23, 2023
Notice of appeal
Appeal
Apr 13, 2023
Apr 6, 2023
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Means of redress
OPPO
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Jun 15, 2020
May 8, 2020
Decision to grant a European patent
Search/Exam
Apr 23, 2020
(Electronic) Receipt
Search/Exam
Apr 23, 2020
Filing of the translations of the claims
Search/Exam
Apr 23, 2020
French translation of claims
Search/Exam
Apr 23, 2020
German translation of the claims
Search/Exam
Apr 23, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 13, 2020
Feb 13, 2020
Feb 13, 2020
Intention to grant (signatures)
Search/Exam
Feb 13, 2020
Text intended for grant (clean copy)
Search/Exam
Feb 13, 2020
Jan 27, 2020
(Electronic) Receipt
Search/Exam
Jan 27, 2020
Amended claims with annotations
Search/Exam
Jan 27, 2020
Amended description with annotations
Search/Exam
Jan 27, 2020
Annex
Search/Exam
Jan 27, 2020
Claims
Search/Exam
Jan 27, 2020
Description
Search/Exam
Jan 27, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 27, 2020
Nov 21, 2019
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Nov 21, 2019
Intention to grant (signatures)
Search/Exam
Nov 21, 2019
Text intended for grant (clean copy)
Search/Exam
Nov 21, 2019
May 22, 2018
Submission concerning representation
Search/Exam
Mar 19, 2015
Claims
Search/Exam
Mar 19, 2015
Description
Search/Exam
Mar 19, 2015
Dec 3, 2014
Annex to the communication
Search/Exam
Dec 3, 2014
Communication from the Examining Division
Search/Exam
Mar 9, 2011
Decision to allow further processing
Search/Exam
Feb 22, 2011
Claims
Search/Exam
Feb 22, 2011
Jan 13, 2011
Dec 9, 2010
Dec 1, 2010
Request for extension of time limit
Search/Exam
Oct 13, 2010
Oct 4, 2010
May 28, 2010
Communication from the Examining Division
Search/Exam
Jul 16, 2009
Letter concerning fees and payments
Search/Exam
Jul 10, 2009
Matter concerning the application
Search/Exam
Jun 26, 2009
May 27, 2009
Notification of forthcoming publication
Search/Exam
Dec 12, 2008
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Dec 3, 2008
May 29, 2008
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European search opinion
Search/Exam
May 29, 2008
European search report
Search/Exam
Feb 18, 2008
Feb 6, 2008
Letter concerning the inventor
Search/Exam
Dec 27, 2007
Abstract
Search/Exam
Dec 27, 2007
Claims
Search/Exam
Dec 27, 2007
Description
Search/Exam
Dec 27, 2007
Designation of inventor
Search/Exam
Dec 27, 2007
Drawings
Search/Exam
Dec 27, 2007
Matter concerning the application
Search/Exam
Dec 27, 2007
Request for grant of a European patent
Search/Exam
Dec 20, 2007
Designation of inventor
Search/Exam
Dec 20, 2007
Matter concerning the application
Search/Exam
Dec 20, 2007
Request for grant of a European patent
Search/Exam
Dec 20, 2007