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The patent EP2237867 was granted to Casale on Dec 22, 2021. The application was filed on Dec 19, 2008 under application number EP08870047A. 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 |
|---|---|---|---|
| STAMICARBON | Dec 14, 2018 | VO | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US3615187 |
| INTERNATIONAL-SEARCH-REPORT | US4217127 |
| OPPOSITION | EP0900589 |
| OPPOSITION | US2004143939 |
| OPPOSITION | WO2005049193 |
| OPPOSITION | WO2006111331 |
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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Nov 25, 2021
Nov 25, 2021
Nov 19, 2021
Nov 15, 2021
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Nov 15, 2021
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Nov 15, 2021
Oct 13, 2021
Oct 13, 2021
Oct 13, 2021
Oct 8, 2021
Aug 2, 2021
Refund of fees
Search/Exam
Jul 29, 2021
Jul 29, 2021
Jul 22, 2021
(Electronic) Receipt
Appeal
Jul 22, 2021
Jul 22, 2021
Jul 22, 2021
Withdrawal of an appeal
Appeal
Jun 28, 2021
Jun 28, 2021
Jun 17, 2021
(Electronic) Receipt
Appeal
Jun 17, 2021
Jun 17, 2021
Notice of appeal
Appeal
Apr 8, 2021
Apr 7, 2021
Apr 7, 2021
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Means of redress
OPPO
Apr 7, 2021
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Claims
OPPO
May 17, 2019
Claims
OPPO
May 17, 2019
Claims
OPPO
May 17, 2019
May 17, 2019
Jan 8, 2019
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Dec 19, 2018
Dec 14, 2018
Dec 14, 2018
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Dec 14, 2018
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Mar 26, 2018
Feb 15, 2018
Decision to grant a European patent
Search/Exam
Jan 30, 2018
(Electronic) Receipt
Search/Exam
Jan 30, 2018
Filing of the translations of the claims
Search/Exam
Jan 30, 2018
French translation of claims
Search/Exam
Jan 30, 2018
German translation of the claims
Search/Exam
Jan 30, 2018
Letter accompanying subsequently filed items
Search/Exam
Nov 6, 2017
Nov 6, 2017
Nov 6, 2017
Intention to grant (signatures)
Search/Exam
Nov 6, 2017
Text intended for grant (clean copy)
Search/Exam
Nov 6, 2017
Aug 7, 2017
Examination started
Search/Exam
Apr 18, 2017
Sep 23, 2014
Aug 4, 2014
Payment of fees and costs
Search/Exam
Aug 4, 2014
Payment of fees and costs
Search/Exam
Aug 4, 2014
Sep 24, 2010
Reply to Written Opinion prepared by the EPO
Search/Exam
Sep 22, 2010
Reply to Written Opinion prepared by the EPO
Search/Exam
Sep 15, 2010
Aug 13, 2010
Jul 29, 2010
(Electronic) Receipt
Search/Exam
Jul 29, 2010
Request for entry into the European phase
Search/Exam
Jul 13, 2010
Jul 13, 2010
May 21, 2010
May 21, 2010
Information on entry into European phase
Search/Exam
May 21, 2010
May 21, 2010
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Mar 4, 2010
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Dec 18, 2009
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Dec 16, 2009
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Dec 9, 2009
Free text
PCT2
Dec 4, 2009
Dec 4, 2009
Oct 29, 2009
Oct 27, 2009
Oct 23, 2009
Aug 4, 2009
Aug 4, 2009
Refund of fees
PCT2
Jul 21, 2009
Notification of election of EPO
Search/Exam
Jul 16, 2009
Copy of the international search report
Search/Exam
Jul 16, 2009
Published international application - A1
Search/Exam
Jun 30, 2009
Jun 22, 2009
Jun 22, 2009
Jun 18, 2009
PCT demand form
PCT2
Jun 15, 2009
Jun 15, 2009
PCT demand form
PCT2
Apr 14, 2009
Apr 14, 2009
Apr 14, 2009
Dec 24, 2008
Abstract
PCTRO
Dec 24, 2008
Claims
PCTRO
Dec 24, 2008
Description
PCTRO
Dec 24, 2008
Drawings
PCTRO
Dec 19, 2008