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The patent EP3224339 was granted to Borealis on Jan 2, 2019. The application was filed on Nov 23, 2015 under application number EP15817085A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| BL | Oct 1, 2019 | ATOUT PI LAPLACE | ADMISSIBLE |
| ECOLAB USA | Oct 1, 2019 | HGF | ADMISSIBLE |
| EVONIK OPERATIONS | Sep 18, 2019 | EVONIK PATENT ASSOCIATION | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2011024558 |
| INTERNATIONAL-SEARCH-REPORT | CN1733623 |
| INTERNATIONAL-SEARCH-REPORT | GB889297 |
| INTERNATIONAL-SEARCH-REPORT | RO81748 |
| INTERNATIONAL-SEARCH-REPORT | US2004079392 |
| INTERNATIONAL-SEARCH-REPORT | US2011245558 |
| OPPOSITION | CN1733623 |
| OPPOSITION | EP0248954 |
| OPPOSITION | GB889297 |
| OPPOSITION | RO81748 |
| OPPOSITION | US2004079392 |
| OPPOSITION | US2007257233 |
| OPPOSITION | US2008039355 |
| OPPOSITION | US2011245558 |
| OPPOSITION | US4992108 |
| OPPOSITION | WO0147844 |
| OPPOSITION | WO02088055 |
| OPPOSITION | WO2006078123 |
| OPPOSITION | WO2012106410 |
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.
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Decision to grant a European patent
Search/Exam
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(Electronic) Receipt
Search/Exam
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Filing of the translations of the claims
Search/Exam
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French translation of claims
Search/Exam
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Search/Exam
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Search/Exam
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Intention to grant (signatures)
Search/Exam
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Text intended for grant (clean copy)
Search/Exam
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Examination started
Search/Exam
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Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
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Search/Exam
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Communication to designated inventor
Search/Exam
Jul 27, 2017
Priority search results copy provided by EPO
Search/Exam
Jun 23, 2017
(Electronic) Receipt
Search/Exam
Jun 23, 2017
Request for entry into the European phase
Search/Exam
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Notification of the recording of a change
Search/Exam
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Information on entry into European phase
Search/Exam
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Copy of the international search report
Search/Exam
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Published international application - A1
Search/Exam
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(Electronic) Receipt
PCTRO
Nov 23, 2015
Abstract
PCTRO
Nov 23, 2015
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PCTRO
Nov 23, 2015
Description
PCTRO
Nov 23, 2015
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Drawings
PCTRO
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