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The patent EP2685958 was granted to M Innovative Properties on Aug 18, 2021. The application was filed on Mar 16, 2012 under application number EP12710432A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| IVOCLAR VIVADENT | May 18, 2022 | UEXKULL & STOLBERG | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | AU7276600 |
| DESCRIPTION | CN101870582 |
| DESCRIPTION | EP0455854 |
| DESCRIPTION | US2003132539 |
| DESCRIPTION | US2006117989 |
| DESCRIPTION | US2007062410 |
| DESCRIPTION | US2007292597 |
| DESCRIPTION | US2010221683 |
| DESCRIPTION | US5219805 |
| DESCRIPTION | US6709694 |
| DESCRIPTION | US6713421 |
| DESCRIPTION | US6769912 |
| DESCRIPTION | WO0046168 |
| DESCRIPTION | WO0112097 |
| DESCRIPTION | WO2004110959 |
| INTERNATIONAL-SEARCH-REPORT | AU767073B |
| INTERNATIONAL-SEARCH-REPORT | CN101870582 |
| INTERNATIONAL-SEARCH-REPORT | CN101870582K |
| INTERNATIONAL-SEARCH-REPORT | US2007292597 |
| INTERNATIONAL-SEARCH-REPORT | US2008303181 |
| INTERNATIONAL-SEARCH-REPORT | US2010221683 |
| INTERNATIONAL-SEARCH-REPORT | US5219805 |
| INTERNATIONAL-SEARCH-REPORT | US6709694 |
| INTERNATIONAL-SEARCH-REPORT | WO0113862 |
| OPPOSITION | CN101870582 |
| OPPOSITION | EP0455854 |
| OPPOSITION | EP1859757 |
| OPPOSITION | US2003132539 |
| OPPOSITION | US2008303181 |
| OPPOSITION | US6769912 |
| OPPOSITION | WO0112097 |
| OPPOSITION | WO0112132 |
| OPPOSITION | WO02064099 |
| OPPOSITION | WO2009014903 |
| OPPOSITION | WO2010062541 |
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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Dec 17, 2025
Dec 16, 2025
(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
Nov 17, 2025
Nov 13, 2025
(Electronic) Receipt
Appeal
Nov 13, 2025
Nov 13, 2025
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Aug 18, 2025
Aug 11, 2025
(Electronic) Receipt
Appeal
Aug 11, 2025
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Jun 10, 2025
(Electronic) Receipt
Appeal
Jun 10, 2025
Jun 10, 2025
Notice of appeal
Appeal
Apr 9, 2025
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Means of redress
OPPO
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Annexes in respect of a client data request
Search/Exam
Aug 7, 2024
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Annexes in respect of a client data request
Search/Exam
Feb 2, 2024
Annexes in respect of a client data request
Search/Exam
Feb 2, 2024
Letter accompanying subsequently filed items
Search/Exam
Feb 2, 2024
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Aug 31, 2021
Jul 22, 2021
Decision to grant a European patent
Search/Exam
Jun 7, 2021
(Electronic) Receipt
Search/Exam
Jun 7, 2021
French translation of claims
Search/Exam
Jun 7, 2021
German translation of the claims
Search/Exam
Jun 7, 2021
Letter accompanying subsequently filed items
Search/Exam
Feb 8, 2021
Feb 8, 2021
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Intention to grant (signatures)
Search/Exam
Feb 8, 2021
Text intended for grant (clean copy)
Search/Exam
Feb 8, 2021
Apr 30, 2019
(Electronic) Receipt
Search/Exam
Apr 30, 2019
Amended claims with annotations
Search/Exam
Apr 30, 2019
Claims
Search/Exam
Apr 30, 2019
Letter accompanying subsequently filed items
Search/Exam
Apr 30, 2019
Feb 14, 2019
Feb 11, 2019
(Electronic) Receipt
Search/Exam
Feb 11, 2019
Letter accompanying subsequently filed items
Search/Exam
Feb 11, 2019
Oct 31, 2018
Annex to the communication
Search/Exam
Oct 31, 2018
Communication from the Examining Division
Search/Exam
Oct 19, 2018
Examination started
Search/Exam
Apr 26, 2018
Apr 25, 2016
CDS Clean up - amended applicant details
Search/Exam
May 14, 2014
Reply to Written Opinion prepared by the EPO
Search/Exam
Jan 7, 2014
Nov 14, 2013
Nov 7, 2013
Priority search results copy provided by EPO
Search/Exam
Oct 22, 2013
Communication to designated inventor
Search/Exam
Oct 22, 2013
Communication to designated inventor
Search/Exam
Oct 22, 2013
Communication to designated inventor
Search/Exam
Oct 22, 2013
Communication to designated inventor
Search/Exam
Oct 1, 2013
Sep 11, 2013
(Electronic) Receipt
Search/Exam
Sep 11, 2013
Sep 11, 2013
Amended claims with annotations
Search/Exam
Sep 11, 2013
Request for entry into the European phase
Search/Exam
Jul 24, 2013
Information on entry into European phase
Search/Exam
Oct 11, 2012
Sep 20, 2012
Copy of the international search report
Search/Exam
Sep 20, 2012
Published international application - A1
Search/Exam
Jul 25, 2012
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Mar 23, 2012
Abstract
PCTISA
Mar 23, 2012
Claims
PCTISA
Mar 23, 2012
Description
PCTISA
Mar 23, 2012
Drawings
PCTISA
Mar 23, 2012