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The patent EP3027065 was granted to Tessenderlo Chemie on Jan 2, 2019. The application was filed on Jul 29, 2014 under application number EP14744369A. 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 |
|---|---|---|---|
| MARS | Oct 2, 2019 | CABINET NONY | ADMISSIBLE |
| MARS | Oct 2, 2019 | IPSILON | ADMISSIBLE |
| SOCIETE BRETAGNE CHIMIE FINE | Oct 2, 2019 | OAK & FOX | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | GB2061956 |
| INTERNATIONAL-SEARCH-REPORT | US3806501 |
| INTERNATIONAL-SEARCH-REPORT | US4172073 |
| INTERNATIONAL-SEARCH-REPORT | WO2011003015 |
| OPPOSITION | CN101874545B |
| OPPOSITION | CN102911994 |
| OPPOSITION | EP1021958 |
| OPPOSITION | FR2448297 |
| OPPOSITION | GB2061956 |
| OPPOSITION | US2542984 |
| OPPOSITION | US2702245 |
| OPPOSITION | US3006809 |
| OPPOSITION | US3806501 |
| OPPOSITION | US4172073 |
| OPPOSITION | US4269865 |
| OPPOSITION | US4591497 |
| OPPOSITION | US4818520 |
| OPPOSITION | US5049397 |
| OPPOSITION | US5262307 |
| OPPOSITION | WO2010114938 |
| OPPOSITION | WO8705895 |
| OPPOSITION | WO9216113 |
| OPPOSITION | WO9837773 |
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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Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
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Letter accompanying subsequently filed items
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Priority search results copy provided by EPO
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Feb 2, 2016
Request for entry into the European phase
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Jan 7, 2016
Dec 30, 2015
Copy of the international search report
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PCTISA
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Notification of the recording of a change
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Feb 24, 2015
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Published international application - A2
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Jul 29, 2014
(Electronic) Receipt
PCTRO
Jul 29, 2014
Abstract
PCTRO
Jul 29, 2014
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PCTRO
Jul 29, 2014
Description
PCTRO
Jul 29, 2014