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The patent EP2635231 was granted to Dental Science on Nov 25, 2020. The application was filed on Nov 3, 2011 under application number EP11838837A. 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 |
|---|---|---|---|
| IVOCLAR VIVADENT | Jun 7, 2018 | SPLANEMANN | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US6616444 |
| DESCRIPTION | US6851949 |
| DESCRIPTION | US7433810 |
| DESCRIPTION | WO9107141 |
| INTERNATIONAL-SEARCH-REPORT | JP2008307281 |
| INTERNATIONAL-SEARCH-REPORT | US2005186539 |
| INTERNATIONAL-SEARCH-REPORT | US2009325125 |
| INTERNATIONAL-SEARCH-REPORT | US2010086186 |
| INTERNATIONAL-SEARCH-REPORT | WO2009105661 |
| OPPOSITION | WO9107141 |
| SEARCH | WO9107141 |
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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Oct 29, 2020
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Means of redress
OPPO
Jan 21, 2020
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Description
OPPO
Sep 18, 2019
Description
OPPO
Sep 18, 2019
Description
OPPO
Sep 18, 2019
Description
OPPO
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Claims
OPPO
Nov 12, 2018
Claims
OPPO
Nov 12, 2018
Claims
OPPO
Nov 12, 2018
Claims
OPPO
Nov 12, 2018
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Sep 20, 2017
Aug 24, 2017
Decision to grant a European patent
Search/Exam
Aug 7, 2017
(Electronic) Receipt
Search/Exam
Aug 7, 2017
Filing of the translations of the claims
Search/Exam
Aug 7, 2017
French translation of claims
Search/Exam
Aug 7, 2017
German translation of the claims
Search/Exam
Apr 6, 2017
Apr 6, 2017
Apr 6, 2017
Intention to grant (signatures)
Search/Exam
Apr 6, 2017
Text intended for grant (clean copy)
Search/Exam
Apr 6, 2017
Jan 24, 2017
Examination started
Search/Exam
Jul 19, 2016
(Electronic) Receipt
Search/Exam
Jul 19, 2016
(Electronic) Receipt
Search/Exam
Jul 19, 2016
Abstract
Search/Exam
Jul 19, 2016
Abstract
Search/Exam
Jul 19, 2016
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Amended claims with annotations
Search/Exam
Jul 19, 2016
Jul 19, 2016
Amended description with annotations
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Jul 19, 2016
Amendments received before examination
Search/Exam
Jul 19, 2016
Letter accompanying subsequently filed items
Search/Exam
Jul 19, 2016
Letter accompanying subsequently filed items
Search/Exam
Jul 19, 2016
Maintenance of the application
Search/Exam
Jun 20, 2016
Jun 14, 2016
(Electronic) Receipt
Search/Exam
Jun 14, 2016
Authorisation
Search/Exam
Jun 14, 2016
Letter accompanying subsequently filed items
Search/Exam
Jun 14, 2016
Jun 2, 2016
(Electronic) Receipt
Search/Exam
Jun 2, 2016
Letter accompanying subsequently filed items
Search/Exam
Jun 2, 2016
Jan 11, 2016
Dec 23, 2015
Dec 23, 2015
European search opinion
Search/Exam
Dec 23, 2015
Information on Search Strategy
Search/Exam
Dec 23, 2015
Supplementary European search report
Search/Exam
Dec 11, 2015
Search started
Search/Exam
Nov 25, 2013
Payment of fees and costs
Search/Exam
Aug 14, 2013
Jun 11, 2013
Jun 7, 2013
Communication to designated inventor
Search/Exam
Jun 7, 2013
Communication to designated inventor
Search/Exam
Jun 7, 2013
Communication to designated inventor
Search/Exam
May 24, 2013
May 23, 2013
(Electronic) Receipt
Search/Exam
May 23, 2013
May 23, 2013
Letter concerning fees and payments
Search/Exam
May 23, 2013
Request for entry into the European phase
Search/Exam
Mar 15, 2013
Information on entry into European phase
Search/Exam
Sep 20, 2012
Copy of the international search report
Search/Exam
Sep 20, 2012
Jun 1, 2012
May 10, 2012
Published international application - A2
Search/Exam