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The patent EP1885184 was granted to Engelhard on Jun 12, 2024. The application was filed on Apr 28, 2006 under application number EP06758761A. 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 |
|---|---|---|---|
| OMYA | Aug 12, 2019 | PLOUGMANN VINGTOFT | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | WO0228178 |
| INTERNATIONAL-SEARCH-REPORT | WO2004028250 |
| INTERNATIONAL-SEARCH-REPORT | WO9702323 |
| INTERNATIONAL-SEARCH-REPORT | WO9838865 |
| INTERNATIONAL-SEARCH-REPORT | WO9838867 |
| OPPOSITION | US3879283 |
| OPPOSITION | US5261539 |
| OPPOSITION | US6027740 |
| OPPOSITION | US6069112 |
| OPPOSITION | US6110867 |
| OPPOSITION | US6156327 |
| OPPOSITION | US6378703 |
| OPPOSITION | WO2005058014 |
| OPPOSITION | WO9838866 |
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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May 16, 2024
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Refund of fees
Appeal
Jan 12, 2024
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(Electronic) Receipt
Appeal
Jan 2, 2024
Jan 2, 2024
Withdrawal of an appeal
Appeal
Dec 7, 2023
Dec 7, 2023
Oct 12, 2023
Oct 11, 2023
(Electronic) Receipt
Appeal
Oct 11, 2023
Oct 11, 2023
Jul 11, 2023
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Apr 29, 2022
Apr 25, 2022
(Electronic) Receipt
Appeal
Apr 25, 2022
Apr 25, 2022
Reply to appeal
Appeal
Feb 20, 2022
Dec 15, 2021
Dec 7, 2021
(Electronic) Receipt
Appeal
Dec 7, 2021
Dec 7, 2021
Claims
Appeal
Dec 7, 2021
Dec 7, 2021
Dec 7, 2021
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Sep 29, 2021
(Electronic) Receipt
Appeal
Sep 29, 2021
Sep 29, 2021
Notice of appeal
Appeal
Sep 27, 2021
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Means of redress
Appeal
Jul 28, 2021
Means of redress
OPPO
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Nov 26, 2018
Oct 18, 2018
Decision to grant a European patent
Search/Exam
Sep 27, 2018
(Electronic) Receipt
Search/Exam
Sep 27, 2018
Filing of the translations of the claims
Search/Exam
Sep 27, 2018
French translation of claims
Search/Exam
Sep 27, 2018
German translation of the claims
Search/Exam
Sep 27, 2018
Letter accompanying subsequently filed items
Search/Exam
May 18, 2018
May 18, 2018
May 18, 2018
Intention to grant (signatures)
Search/Exam
May 18, 2018
Text intended for grant (clean copy)
Search/Exam
May 18, 2018
May 2, 2018
Decision to allow further processing
Search/Exam
Apr 30, 2018
Apr 24, 2018
Apr 24, 2018
Apr 20, 2018
Notice on debiting of fees
Search/Exam
Apr 10, 2018
(Electronic) Receipt
Search/Exam
Apr 10, 2018
Amended claims with annotations
Search/Exam
Apr 10, 2018
Amended description with annotations
Search/Exam
Apr 10, 2018
Claims
Search/Exam
Apr 10, 2018
Description
Search/Exam
Apr 10, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 10, 2018
Request for further processing
Search/Exam
Feb 1, 2018
Jan 10, 2018
Jan 4, 2018
(Electronic) Receipt
Search/Exam
Jan 4, 2018
Letter accompanying subsequently filed items
Search/Exam
Jan 4, 2018
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Dec 21, 2017
(Electronic) Receipt
Search/Exam
Dec 21, 2017
Annexes in respect of a client data request
Search/Exam
Dec 21, 2017
Annexes in respect of a client data request
Search/Exam
Dec 21, 2017
Letter accompanying subsequently filed items
Search/Exam
Dec 21, 2017
Aug 16, 2017
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Intention to grant (signatures)
Search/Exam
Aug 16, 2017
Text intended for grant (clean copy)
Search/Exam
Aug 16, 2017
Sep 13, 2016
(Electronic) Receipt
Search/Exam
Sep 13, 2016
Amended claims with annotations
Search/Exam
Sep 13, 2016
Claims
Search/Exam
Sep 13, 2016
Letter accompanying subsequently filed items
Search/Exam
Sep 13, 2016
Jul 20, 2016
Jul 20, 2016
Jul 13, 2016
(Electronic) Receipt
Search/Exam
Jul 13, 2016
Letter accompanying subsequently filed items
Search/Exam
Jul 13, 2016
Mar 3, 2016
Annex to the communication
Search/Exam
Mar 3, 2016
Communication from the Examining Division
Search/Exam
Feb 18, 2014
Feb 7, 2014
Annexes in respect of a client data request
Search/Exam
Feb 7, 2014
Jun 26, 2013
Jun 6, 2013
Submission concerning representation
Search/Exam
Nov 2, 2011
Annex
Search/Exam
Nov 2, 2011
Claims
Search/Exam
Nov 2, 2011
Oct 31, 2011
Annex
Search/Exam
Oct 31, 2011
Claims
Search/Exam
Oct 31, 2011
Sep 6, 2011
Sep 1, 2011
Aug 30, 2011
Apr 20, 2011
Annex to the communication
Search/Exam
Apr 20, 2011
Communication from the Examining Division
Search/Exam
Jun 30, 2010
Submission concerning representation
Search/Exam
Dec 23, 2008
Claims
Search/Exam
Dec 23, 2008
Dec 19, 2008
Oct 27, 2008
Oct 21, 2008
Oct 17, 2008
Jun 11, 2008
Annex to the communication
Search/Exam
Jun 11, 2008
Communication from the Examining Division
Search/Exam
May 13, 2008
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Apr 17, 2008
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Copy of the international search report
Search/Exam
Apr 17, 2008
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Jan 16, 2008
Dec 27, 2007
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Dec 2, 2007
Request for entry into the European phase
Search/Exam
Nov 27, 2006
Nov 27, 2006
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Nov 9, 2006
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Published international application - A2
Search/Exam
Jun 26, 2006
Abstract
PCTISA
Jun 26, 2006
Claims
PCTISA
Jun 26, 2006
Description
PCTISA
Jun 26, 2006
Drawings
PCTISA