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The patent EP2694473 was granted to Huntsman Advanced Materials Switzerland on Jan 2, 2019. The application was filed on Mar 5, 2012 under application number EP12706857A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 |
|---|---|---|---|
| EVERLIGHT CHEMICAL INDUSTRIAL | Sep 20, 2019 | KRELLER SCHOBER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP0260227 |
| DESCRIPTION | JPH0860017 |
| DESCRIPTION | US4622390 |
| DESCRIPTION | US4841049 |
| DESCRIPTION | US6458936 |
| DESCRIPTION | US6537332 |
| DESCRIPTION | US7572301 |
| DESCRIPTION | WO2004088031 |
| INTERNATIONAL-SEARCH-REPORT | EP1041121 |
| INTERNATIONAL-SEARCH-REPORT | US6392021 |
| INTERNATIONAL-SEARCH-REPORT | WO0006652 |
| INTERNATIONAL-SEARCH-REPORT | WO2007003541 |
| OPPOSITION | EP1930379 |
| OPPOSITION | JPH0860017 |
| OPPOSITION | US6537332 |
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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Description
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Decision to grant a European patent
Search/Exam
Nov 14, 2018
(Electronic) Receipt
Search/Exam
Nov 14, 2018
Filing of the translations of the claims
Search/Exam
Nov 14, 2018
French translation of claims
Search/Exam
Nov 14, 2018
German translation of the claims
Search/Exam
Nov 14, 2018
Letter accompanying subsequently filed items
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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Intention to grant (signatures)
Search/Exam
Mar 8, 2018
Text intended for grant (clean copy)
Search/Exam
Mar 8, 2018
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Amended claims with annotations
Search/Exam
Jan 17, 2018
Amended description with annotations
Search/Exam
Jan 17, 2018
Claims
Search/Exam
Jan 17, 2018
Description
Search/Exam
Jan 17, 2018
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Annex to the communication
Search/Exam
Oct 4, 2017
Communication from the Examining Division
Search/Exam
Sep 11, 2017
Examination started
Search/Exam
May 14, 2014
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Amendments received before examination
Search/Exam
Jan 15, 2014
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Communication to designated inventor
Search/Exam
Nov 12, 2013
Communication to designated inventor
Search/Exam
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Communication to designated inventor
Search/Exam
Nov 7, 2013
Priority search results copy provided by EPO
Search/Exam
Oct 22, 2013
Aug 28, 2013
(Electronic) Receipt
Search/Exam
Aug 28, 2013
Request for entry into the European phase
Search/Exam
Aug 19, 2013
Information on entry into European phase
Search/Exam
Oct 31, 2012
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Copy of the international search report
Search/Exam
Oct 11, 2012
Published international application - A1
Search/Exam
Mar 29, 2012
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Mar 5, 2012
(Electronic) Receipt
PCTRO
Mar 5, 2012
Abstract
PCTRO
Mar 5, 2012
Claims
PCTRO
Mar 5, 2012
Description
PCTRO
Mar 5, 2012