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The patent EP1969186 was granted to Omya on Apr 24, 2019. The application was filed on Nov 20, 2006 under application number EP06838255A. 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 |
|---|---|---|---|
| TREOFAN GERMANY | Jan 24, 2020 | MAI BESIER | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | EP1375579 |
| DESCRIPTION | EP1482005 |
| DESCRIPTION | US2002022084 |
| DESCRIPTION | US2004105942 |
| DESCRIPTION | US2005101206 |
| DESCRIPTION | US4183893 |
| DESCRIPTION | US4870122 |
| DESCRIPTION | US5972444 |
| DESCRIPTION | US6106956 |
| DESCRIPTION | US6391411 |
| DESCRIPTION | US6569527 |
| DESCRIPTION | WO0210275 |
| DESCRIPTION | WO03020513 |
| DESCRIPTION | WO03031134 |
| EXAMINATION | US5558930 |
| INTERNATIONAL-SEARCH-REPORT | US2003030174 |
| INTERNATIONAL-SEARCH-REPORT | US2003162010 |
| INTERNATIONAL-SEARCH-REPORT | US2004224175 |
| INTERNATIONAL-SEARCH-REPORT | US2005101206 |
| INTERNATIONAL-SEARCH-REPORT | US5236963 |
| INTERNATIONAL-SEARCH-REPORT | US6391411 |
| INTERNATIONAL-SEARCH-REPORT | US6569527 |
| INTERNATIONAL-SEARCH-REPORT | WO2004087574 |
| OPPOSITION | EP1375579 |
| OPPOSITION | EP1482005 |
| OPPOSITION | US2002022084 |
| OPPOSITION | US2003030174 |
| OPPOSITION | US2003162010 |
| OPPOSITION | US2004126514 |
| OPPOSITION | US2004224175 |
| OPPOSITION | US2005101206 |
| OPPOSITION | US5236963 |
| OPPOSITION | US5972444 |
| OPPOSITION | US6106956 |
| OPPOSITION | US6268062 |
| OPPOSITION | US6391411 |
| OPPOSITION | US6569527 |
| OPPOSITION | WO2004033195 |
| SEARCH | EP1375579 |
| SEARCH | EP1482005 |
| SEARCH | US2002022084 |
| SEARCH | US5972444 |
| SEARCH | US6106956 |
| SEARCH | US6569527 |
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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Jan 19, 2022
Nov 4, 2021
Refund of fees
Appeal
Nov 3, 2021
Nov 3, 2021
Oct 29, 2021
Oct 28, 2021
Oct 26, 2021
(Electronic) Receipt
Appeal
Oct 26, 2021
Oct 26, 2021
Oct 26, 2021
Withdrawal of an appeal
Appeal
Sep 7, 2021
Sep 7, 2021
Sep 6, 2021
Notice of appeal
Appeal
Aug 30, 2021
Notice of appeal
Appeal
Jun 24, 2021
Jun 22, 2021
Jun 22, 2021
Jun 22, 2021
Jun 22, 2021
Jun 22, 2021
Jun 22, 2021
Jun 22, 2021
Jun 22, 2021
Means of redress
OPPO
Jun 22, 2021
Jun 22, 2021
Jun 22, 2021
Jun 22, 2021
Jun 22, 2021
Jun 22, 2021
May 27, 2021
Mar 29, 2021
Mar 29, 2021
Mar 24, 2021
Mar 24, 2021
Mar 24, 2021
Mar 24, 2021
Mar 24, 2021
Mar 24, 2021
Mar 24, 2021
Mar 24, 2021
Mar 24, 2021
Mar 23, 2021
Mar 23, 2021
Mar 23, 2021
Mar 23, 2021
Jan 19, 2021
Jan 19, 2021
Jan 15, 2021
Dec 21, 2020
Oct 28, 2020
Oct 27, 2020
Oct 23, 2020
Oct 23, 2020
Oct 23, 2020
Oct 23, 2020
Oct 23, 2020
Oct 23, 2020
Sep 23, 2020
Communication of amended entries
Search/Exam
Sep 1, 2020
Request concerning representative opponent
Search/Exam
Jun 19, 2020
Jun 16, 2020
Jun 16, 2020
Jun 16, 2020
Jun 16, 2020
Jun 16, 2020
Jun 16, 2020
Jun 16, 2020
Jun 16, 2020
Jun 16, 2020
Jun 16, 2020
Jun 16, 2020
Jun 16, 2020
Jun 16, 2020
Feb 10, 2020
Feb 10, 2020
Feb 3, 2020
Jan 24, 2020
Jan 24, 2020
Jan 24, 2020
Jan 24, 2020
Jan 24, 2020
Jan 24, 2020
Jan 24, 2020
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Jan 24, 2020
Jan 24, 2020
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Jan 24, 2020
Jan 24, 2020
Jan 24, 2020
Jan 24, 2020
Jan 24, 2020
Jan 24, 2020
Jan 24, 2020
Jan 24, 2020
Jan 24, 2020
May 7, 2019
Mar 28, 2019
Decision to grant a European patent
Search/Exam
Mar 11, 2019
(Electronic) Receipt
Search/Exam
Mar 11, 2019
Filing of the translations of the claims
Search/Exam
Mar 11, 2019
French translation of claims
Search/Exam
Mar 11, 2019
German translation of the claims
Search/Exam
Mar 11, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 4, 2018
Submission concerning representation
Search/Exam
Dec 3, 2018
Dec 3, 2018
Dec 3, 2018
Intention to grant (signatures)
Search/Exam
Dec 3, 2018
Text intended for grant (clean copy)
Search/Exam
Dec 3, 2018
Jul 2, 2018
(Electronic) Receipt
Search/Exam
Jul 2, 2018
Abstract
Search/Exam
Jul 2, 2018
Amended claims with annotations
Search/Exam
Jul 2, 2018
Claims
Search/Exam
Jul 2, 2018
Description
Search/Exam
Jul 2, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 2, 2018
Feb 21, 2018
Annex to the communication
Search/Exam
Feb 21, 2018
Communication from the Examining Division
Search/Exam
Jan 2, 2018
Jan 2, 2018
Dec 15, 2017
(Electronic) Receipt
Search/Exam
Dec 15, 2017
Authorisation
Search/Exam
Dec 15, 2017
Oct 9, 2017
Amended claims with annotations
Search/Exam
Oct 9, 2017
Claims
Search/Exam
Oct 9, 2017
Oct 5, 2017
Amended claims with annotations
Search/Exam
Oct 5, 2017
Claims
Search/Exam
Oct 5, 2017
May 29, 2017
Annex to the communication
Search/Exam
May 29, 2017
Communication from the Examining Division
Search/Exam
Feb 3, 2017
Claims
Search/Exam
Feb 3, 2017
Non-scannable object
Search/Exam
Feb 3, 2017
Non-scannable object
Search/Exam
Feb 3, 2017
Jan 30, 2017
Amended claims with annotations
Search/Exam
Jan 30, 2017
Claims
Search/Exam
Jan 30, 2017
Nov 17, 2016
Nov 11, 2016
Nov 9, 2016
Jul 21, 2016
Annex to the communication
Search/Exam
Jul 21, 2016
Communication from the Examining Division
Search/Exam
May 6, 2016
Amended claims with annotations
Search/Exam
May 6, 2016
Claims
Search/Exam
May 6, 2016
Claims
Search/Exam
May 6, 2016
Description
Search/Exam
May 6, 2016
May 3, 2016
Amended claims with annotations
Search/Exam
May 3, 2016
Claims
Search/Exam
May 3, 2016
Description
Search/Exam
May 3, 2016
May 3, 2016
Mar 1, 2016
Mar 1, 2016
Feb 25, 2016
Oct 28, 2015
Annex to the communication
Search/Exam
Oct 28, 2015
Communication from the Examining Division
Search/Exam
Oct 20, 2015
Examination started
Search/Exam
Sep 11, 2013
Sep 11, 2013
Sep 5, 2013
Nov 28, 2012
Nov 28, 2012
Amended claims with annotations
Search/Exam
Nov 28, 2012
Amendments received before examination
Search/Exam
Nov 22, 2012
Nov 22, 2012
Amended claims with annotations
Search/Exam
Nov 22, 2012
Amendments received before examination
Search/Exam
Nov 22, 2012
Matter concerning the application
Search/Exam
May 22, 2012
May 4, 2012
May 4, 2012
European search opinion
Search/Exam
May 4, 2012
Supplementary European search report
Search/Exam
Oct 23, 2008
Oct 22, 2008
Oct 16, 2008
Aug 20, 2008
Aug 18, 2008
Jul 22, 2008
Jul 22, 2008
Amendments received before examination
Search/Exam
Jul 22, 2008
Request for entry into the European phase
Search/Exam
Jul 17, 2008
Jul 17, 2008
Amendments received before examination
Search/Exam
Jul 17, 2008
Jul 17, 2008
Fax request to enter the European phase
Search/Exam
Jul 4, 2008
Jun 30, 2008
May 15, 2008
Information on entry into European phase
Search/Exam
Mar 27, 2008
Mar 20, 2008
Copy of the international search report
Search/Exam
Mar 20, 2008
Jul 30, 2007
Jul 12, 2007
Published international application - A2
Search/Exam