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The patent EP2524666 was granted to W & H Dentalwerk Brmoos on May 10, 2017. The application was filed on May 19, 2011 under application number EP11166638A. The patent is currently recorded with a legal status of "Revoked".

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 |
|---|---|---|---|
| KALTENBACH & VOIGT | Feb 12, 2018 | THUN | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2009322541 |
| DESCRIPTION | US6786897 |
| EXAMINATION | US2009322541 |
| OPPOSITION | EP2215981 |
| OPPOSITION | GB2438877 |
| OPPOSITION | JPH0347249 |
| OPPOSITION | JPH04332391 |
| OPPOSITION | JPH06280771 |
| OPPOSITION | JPH07255197 |
| OPPOSITION | US2008234964 |
| OPPOSITION | US2009259244 |
| OPPOSITION | US2009322541 |
| OPPOSITION | US2010055642 |
| OPPOSITION | US5123839 |
| OPPOSITION | US5179291 |
| OPPOSITION | US5516285 |
| OPPOSITION | US6752816 |
| OPPOSITION | US6786897 |
| OPPOSITION | US7422582 |
| OPPOSITION | WO2006110670 |
| OPPOSITION | WO2009072035 |
| OPPOSITION | WO2009138324 |
| SEARCH | GB2438877 |
| SEARCH | US2009259244 |
| SEARCH | US2010055642 |
| SEARCH | US5123839 |
| SEARCH | US6752816 |
| SEARCH | WO2006110670 |
| SEARCH | WO2009072035 |
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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Claims
OPPO
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Claims
OPPO
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OPPO
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May 10, 2017
Apr 13, 2017
Decision to grant a European patent
Search/Exam
Mar 29, 2017
English translation of the claims
Search/Exam
Mar 29, 2017
Filing of the translations of the claims
Search/Exam
Mar 29, 2017
French translation of claims
Search/Exam
Mar 29, 2017
Payment of fees and costs
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Feb 22, 2017
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Intention to grant (signatures)
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Feb 22, 2017
Text intended for grant (clean copy)
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Feb 22, 2017
Feb 13, 2017
Annex to a communication
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Feb 13, 2017
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Dec 12, 2016
Amended claims with annotations
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Dec 12, 2016
Amended claims with annotations
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Amended claims with annotations
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Dec 12, 2016
Amended claims with annotations
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Amended claims with annotations
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Dec 12, 2016
Amended claims with annotations
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Dec 12, 2016
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Dec 12, 2016
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Dec 12, 2016
Nov 22, 2016
Annex to the communication
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Nov 22, 2016
Consultation by telephone/in person
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Nov 22, 2016
Aug 22, 2016
Amended claims with annotations
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Aug 22, 2016
Claims
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Aug 22, 2016
Oct 8, 2015
Advice of delivery
Search/Exam
Oct 6, 2015
Advice of delivery
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Oct 1, 2015
Acknowledgement of a document
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Oct 1, 2015
Annex to the communication
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Oct 1, 2015
Preparation for oral proceedings
Search/Exam
Oct 1, 2015
Summons to attend oral proceedings
Search/Exam
Jun 18, 2015
Amended claims with annotations
Search/Exam
Jun 18, 2015
Claims
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Jun 18, 2015
Description
Search/Exam
Jun 18, 2015
May 21, 2015
Annex to the communication
Search/Exam
May 21, 2015
Communication from the Examining Division
Search/Exam
Nov 10, 2014
Oct 8, 2014
Annex to the communication
Search/Exam
Oct 8, 2014
Communication from the Examining Division
Search/Exam
Jul 17, 2013
May 31, 2013
Annex to the communication
Search/Exam
May 31, 2013
Communication from the Examining Division
Search/Exam
Nov 26, 2012
Oct 24, 2012
Notification of forthcoming publication
Search/Exam
May 24, 2012
May 24, 2012
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Amendments received before examination
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May 24, 2012
Payment of fees and costs
Search/Exam
Feb 3, 2012
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European search opinion
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Feb 3, 2012
European search report
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Nov 18, 2011
Letter concerning search matters
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Nov 18, 2011
Payment of fees and costs
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Nov 18, 2011
Payment of fees and costs
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Nov 3, 2011
Nov 3, 2011
Partial European search report
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May 19, 2011
Abstract
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May 19, 2011
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Claims
Search/Exam
May 19, 2011
Description
Search/Exam
May 19, 2011
Designation of inventor
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May 19, 2011
Drawings
Search/Exam
May 19, 2011
Letter concerning fees and payments
Search/Exam
May 19, 2011
Payment of fees and costs
Search/Exam
May 19, 2011
Request for grant of a European patent
Search/Exam