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The patent EP2723302 was granted to Degudent on Jul 28, 2021. The application was filed on Jun 18, 2012 under application number EP12729528A. 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 | Apr 28, 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 | DE102005028637 |
| DESCRIPTION | DE2451121 |
| DESCRIPTION | EP0536479 |
| DESCRIPTION | EP0536572 |
| DESCRIPTION | US2684911 |
| EXAMINATION | EP2377831 |
| EXAMINATION | WO2011076422 |
| EXAMINATION | WO2012059143 |
| INTERNATIONAL-SEARCH-REPORT | CA2252660 |
| INTERNATIONAL-SEARCH-REPORT | EP0690031 |
| INTERNATIONAL-SEARCH-REPORT | EP1688397 |
| INTERNATIONAL-SEARCH-REPORT | EP2305614 |
| INTERNATIONAL-SEARCH-REPORT | US7871948 |
| INTERNATIONAL-SEARCH-REPORT | WO2009126317 |
| OPPOSITION | DE19750794 |
| OPPOSITION | EP1505041 |
| OPPOSITION | EP1688398 |
| OPPOSITION | EP2377831 |
| OPPOSITION | WO2012059143 |
| OTHER | DE102010050275 |
| OTHER | EP2377831 |
| OTHER | WO2011076422 |
| OTHER | WO2012059143 |
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 5, 2025
Oct 31, 2025
(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
Jul 2, 2025
Jun 26, 2025
(Electronic) Receipt
Appeal
Jun 26, 2025
Jun 26, 2025
Jun 26, 2025
May 6, 2025
May 6, 2025
Apr 22, 2025
(Electronic) Receipt
Appeal
Apr 22, 2025
Apr 22, 2025
Notice of appeal
Appeal
Feb 26, 2025
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Means of redress
OPPO
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Mar 11, 2022
Letter accompanying subsequently filed items
Search/Exam
Mar 11, 2022
Aug 10, 2021
Jul 1, 2021
Decision to grant a European patent
Search/Exam
Jun 29, 2021
Payment submission rejected
Search/Exam
Jun 18, 2021
(Electronic) Receipt
Search/Exam
Jun 18, 2021
Filing of the translations of the claims
Search/Exam
Jun 18, 2021
French translation of claims
Search/Exam
Jun 18, 2021
German translation of the claims
Search/Exam
Feb 24, 2021
Feb 24, 2021
Feb 24, 2021
Intention to grant (signatures)
Search/Exam
Feb 24, 2021
Text intended for grant (clean copy)
Search/Exam
Feb 24, 2021
Nov 10, 2020
Cover sheet for fax transmission
Search/Exam
Nov 10, 2020
Nov 10, 2020
Jul 9, 2020
Annex to the communication
Search/Exam
Jul 9, 2020
Communication from the Examining Division
Search/Exam
Jun 10, 2020
Payment submission rejected
Search/Exam
Jun 27, 2019
Payment submission rejected
Search/Exam
Jul 11, 2018
Refund of fees
Search/Exam
Dec 23, 2015
Submission concerning representation
Search/Exam
Dec 17, 2015
Submission concerning representation
Search/Exam
Oct 23, 2015
Amended claims with annotations
Search/Exam
Oct 23, 2015
Claims
Search/Exam
Oct 23, 2015
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Oct 22, 2015
Amended claims with annotations
Search/Exam
Oct 22, 2015
Claims
Search/Exam
Oct 22, 2015
Oct 22, 2015
Aug 27, 2015
Aug 25, 2015
Aug 24, 2015
Apr 14, 2015
Annex to the communication
Search/Exam
Apr 14, 2015
Communication from the Examining Division
Search/Exam
Apr 2, 2015
Examination started
Search/Exam
Jan 14, 2015
Refund of fees
Search/Exam
Dec 1, 2014
Nov 21, 2014
Citation filed by a third party
Search/Exam
Nov 21, 2014
Observations by third parties
Search/Exam
Nov 21, 2014
Patent document filed by a Third party
Search/Exam
Nov 21, 2014
Patent document filed by a Third party
Search/Exam
Nov 21, 2014
Patent document filed by a Third party
Search/Exam
Nov 21, 2014
Patent document filed by a Third party
Search/Exam
Aug 26, 2014
Submission concerning representation
Search/Exam
Aug 25, 2014
Submission concerning representation
Search/Exam
Aug 8, 2014
Aug 8, 2014
Aug 8, 2014
Amended claims with annotations
Search/Exam
Aug 8, 2014
Amended claims with annotations
Search/Exam
Aug 8, 2014
Amendments received before examination
Search/Exam
Aug 8, 2014
Amendments received before examination
Search/Exam
Apr 2, 2014
Jan 29, 2014
Jan 27, 2014
Communication to designated inventor
Search/Exam
Jan 27, 2014
Communication to designated inventor
Search/Exam
Jan 27, 2014
Communication to designated inventor
Search/Exam
Jan 27, 2014
Communication to designated inventor
Search/Exam
Jan 27, 2014
Communication to designated inventor
Search/Exam
Jan 27, 2014
Communication to designated inventor
Search/Exam
Jan 27, 2014
Communication to designated inventor
Search/Exam
Jan 22, 2014
Priority search results copy provided by EPO
Search/Exam
Jan 14, 2014
Dec 5, 2013
Dec 5, 2013
Dec 5, 2013
Dec 5, 2013
Notification of the recording of a change
Search/Exam
Dec 5, 2013
Notification of the recording of a change
Search/Exam
Dec 5, 2013
Notification of the recording of a change
Search/Exam
Dec 4, 2013
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Dec 4, 2013
Notification of the recording of a change
Search/Exam
Dec 4, 2013
Notification of the recording of a change
Search/Exam
Dec 4, 2013
Notification of the recording of a change
Search/Exam
Nov 29, 2013
(Electronic) Receipt
Search/Exam
Nov 29, 2013
Request for entry into the European phase
Search/Exam
Nov 27, 2013
Nov 27, 2013
Notification of the recording of a change
Search/Exam
Nov 4, 2013
Information on entry into European phase
Search/Exam
Jan 16, 2013
Jan 16, 2013
Dec 27, 2012
Copy of the international search report
Search/Exam
Dec 27, 2012
Published international application - A1
Search/Exam
Oct 10, 2012
Oct 10, 2012
Oct 10, 2012
Jun 18, 2012
(Electronic) Receipt
PCTRO
Jun 18, 2012
Abstract
PCTRO
Jun 18, 2012
Claims
PCTRO
Jun 18, 2012
Description
PCTRO
Jun 18, 2012