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The patent EP2830758 was granted to Rohm And Haas on Oct 24, 2018. The application was filed on Feb 12, 2013 under application number EP13706844A. 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 |
|---|---|---|---|
| CLARIANT PRODUKTE DEUTSCHLAND | Jul 11, 2019 | HEINEMANN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US7304014 |
| EXAMINATION | JPH0753414 |
| INTERNATIONAL-SEARCH-REPORT | US2008132723 |
| INTERNATIONAL-SEARCH-REPORT | US2010256432 |
| INTERNATIONAL-SEARCH-REPORT | US2011245571 |
| INTERNATIONAL-SEARCH-REPORT | US2012016171 |
| INTERNATIONAL-SEARCH-REPORT | US5162578 |
| INTERNATIONAL-SEARCH-REPORT | US5907056 |
| OPPOSITION | DE19630832 |
| OPPOSITION | JPH0753414 |
| OPPOSITION | US2008132723 |
| OPPOSITION | US5162578 |
| OPPOSITION | US7304014 |
| OTHER | JPH0753414 |
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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Sep 27, 2023
Sep 25, 2023
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Jun 28, 2023
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Description
Appeal
Jun 28, 2023
Description
Appeal
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Appeal
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Reply to appeal
Appeal
Aug 23, 2021
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
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Nov 5, 2018
Sep 27, 2018
Decision to grant a European patent
Search/Exam
Sep 13, 2018
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Intention to grant (signatures)
Search/Exam
Sep 13, 2018
Text intended for grant (clean copy)
Search/Exam
Sep 13, 2018
Aug 21, 2018
(Electronic) Receipt
Search/Exam
Aug 21, 2018
Amended claims with annotations
Search/Exam
Aug 21, 2018
Claims
Search/Exam
Aug 21, 2018
French translation of claims
Search/Exam
Aug 21, 2018
German translation of the claims
Search/Exam
Aug 21, 2018
Letter accompanying subsequently filed items
Search/Exam
Aug 21, 2018
May 14, 2018
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Intention to grant (signatures)
Search/Exam
May 14, 2018
Text intended for grant (clean copy)
Search/Exam
May 14, 2018
Oct 24, 2017
Submission concerning representation
Search/Exam
Sep 19, 2017
Sep 7, 2017
Aug 9, 2017
(Electronic) Receipt
Search/Exam
Aug 9, 2017
Amended claims with annotations
Search/Exam
Aug 9, 2017
Amended description with annotations
Search/Exam
Aug 9, 2017
Claims
Search/Exam
Aug 9, 2017
Description
Search/Exam
Aug 9, 2017
Letter accompanying subsequently filed items
Search/Exam
Aug 9, 2017
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Annex to a communication
Search/Exam
Jul 18, 2017
Annex to the communication
Search/Exam
Jul 18, 2017
Communication from the Examining Division
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Jul 3, 2017
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Citation filed by a third party
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Jun 19, 2017
Observations by third parties
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Jun 19, 2017
Patent document filed by a Third party
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Apr 12, 2017
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Apr 12, 2017
Intention to grant (signatures)
Search/Exam
Apr 12, 2017
Text intended for grant (clean copy)
Search/Exam
Apr 12, 2017
Feb 24, 2017
Examination started
Search/Exam
May 12, 2015
(Electronic) Receipt
Search/Exam
May 12, 2015
May 12, 2015
Amended claims with annotations
Search/Exam
May 12, 2015
May 12, 2015
Amended description with annotations
Search/Exam
May 12, 2015
Amendments received before examination
Search/Exam
May 12, 2015
Letter accompanying subsequently filed items
Search/Exam
Jan 8, 2015
Nov 4, 2014
Oct 31, 2014
Communication to designated inventor
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Oct 31, 2014
Communication to designated inventor
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Oct 31, 2014
Communication to designated inventor
Search/Exam
Oct 14, 2014
Sep 4, 2014
(Electronic) Receipt
Search/Exam
Sep 4, 2014
Request for entry into the European phase
Search/Exam
Aug 8, 2014
Information on entry into European phase
Search/Exam
Oct 22, 2013
Oct 3, 2013
Copy of the international search report
Search/Exam
Oct 3, 2013
Published international application - A1
Search/Exam
Apr 23, 2013
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Feb 25, 2013
Abstract
PCTISA
Feb 25, 2013
Claims
PCTISA
Feb 25, 2013
Description
PCTISA