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The patent EP3275002 was granted to Huntsman Advanced Materials Licensing Switzerland on Jan 19, 2022. The application was filed on Feb 12, 2016 under application number EP16704432A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| ELANTAS | Mar 12, 2020 | ALTANA DEPARTMENT | ADMISSIBLE |
| BASF | Mar 10, 2020 | BASF ASSOCIATION | ADMISSIBLE |
| HEXION GERMANY | Mar 10, 2020 | SONNENHAUSER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | EP0839865 |
| INTERNATIONAL-SEARCH-REPORT | WO2009062543 |
| INTERNATIONAL-SEARCH-REPORT | WO2010010048 |
| INTERNATIONAL-SEARCH-REPORT | WO2013124251 |
| OPPOSITION | EP0736556 |
| OPPOSITION | US3754071 |
| OPPOSITION | WO2010010048 |
| OPPOSITION | WO2011023227 |
| OPPOSITION | WO2011037895 |
| OPPOSITION | WO2011097009 |
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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OPPO
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Authorisation
OPPO
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OPPO
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Decision to grant a European patent
Search/Exam
Apr 29, 2019
(Electronic) Receipt
Search/Exam
Apr 29, 2019
(Electronic) Receipt
Search/Exam
Apr 29, 2019
Filing of the translations of the claims
Search/Exam
Apr 29, 2019
French translation of claims
Search/Exam
Apr 29, 2019
German translation of the claims
Search/Exam
Apr 29, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 29, 2019
Letter accompanying subsequently filed items
Search/Exam
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Intention to grant (signatures)
Search/Exam
Jan 25, 2019
Text intended for grant (clean copy)
Search/Exam
Jan 25, 2019
Nov 2, 2018
(Electronic) Receipt
Search/Exam
Nov 2, 2018
Amended claims with annotations
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Nov 2, 2018
Claims
Search/Exam
Nov 2, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 2, 2018
Sep 13, 2018
Annex to the communication
Search/Exam
Sep 13, 2018
Communication from the Examining Division
Search/Exam
Aug 29, 2018
Examination started
Search/Exam
Mar 20, 2018
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Mar 6, 2018
(Electronic) Receipt
Search/Exam
Mar 6, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 6, 2018
Jan 4, 2018
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Oct 26, 2017
Priority search results copy provided by EPO
Search/Exam
Oct 25, 2017
Annex
Search/Exam
Oct 25, 2017
Matter concerning the application
Search/Exam
Oct 25, 2017
Request for entry into the European phase
Search/Exam
Oct 23, 2017
Matter concerning the application
Search/Exam
Oct 23, 2017
Request for entry into the European phase
Search/Exam
Oct 23, 2017
Subsequently filed documents not duly signed
Search/Exam
Oct 10, 2017
Oct 5, 2017
Subsequently filed documents not duly signed
Search/Exam
Sep 5, 2017
(Electronic) Receipt
Search/Exam
Sep 5, 2017
Request for entry into the European phase
Search/Exam
Aug 2, 2017
Information on entry into European phase
Search/Exam
Dec 5, 2016
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Notification of the recording of a change
Search/Exam
Oct 17, 2016
Sep 29, 2016
Copy of the international search report
Search/Exam
Sep 29, 2016
Published international application - A1
Search/Exam
May 17, 2016
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Feb 12, 2016
(Electronic) Receipt
PCTRO
Feb 12, 2016
Abstract
PCTRO
Feb 12, 2016
Claims
PCTRO
Feb 12, 2016
Description
PCTRO
Feb 12, 2016
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