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The patent EP3132217 was granted to Sirona Dental Systems on Apr 4, 2018. The application was filed on Feb 12, 2015 under application number EP15709421A. 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 |
|---|---|---|---|
| DEKEMA DENTAL KERAMIKOFEN | Jan 3, 2019 | MANITZ FINSTERWALD PATENT UND RECHTSANWALTSPARTNERSCHAFT MBB | ADMISSIBLE |
| IVOCLAR VIVADENT | Jan 2, 2019 | SPLANEMANN | ADMISSIBLE |
| AMANN GIRRBACH | Dec 7, 2018 | TORGGLER & HOFMANN PATENTANWALTE RANKWEIL | ADMISSIBLE |
| AMANN GIRRBACH | Dec 7, 2018 | TORGGLER & HOFMANN RANKWEIL | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | DE19824497 |
| INTERNATIONAL-SEARCH-REPORT | DE202011003179U |
| INTERNATIONAL-SEARCH-REPORT | US2011114626 |
| INTERNATIONAL-SEARCH-REPORT | WO2013068312 |
| INTERNATIONAL-SEARCH-REPORT | WO2014016320 |
| OPPOSITION | DE102006032655 |
| OPPOSITION | DE102008035240 |
| OPPOSITION | DE19754077 |
| OPPOSITION | DE19824497 |
| OPPOSITION | DE202011003179U |
| OPPOSITION | DE4302570 |
| OPPOSITION | DE4303458 |
| OPPOSITION | EP2098189 |
| OPPOSITION | EP2101547 |
| OPPOSITION | EP2452651 |
| OPPOSITION | EP2495520 |
| OPPOSITION | EP2620734 |
| OPPOSITION | US2009079101 |
| OPPOSITION | US2011114626 |
| OPPOSITION | US2012267830 |
| OPPOSITION | US7767942 |
| OPPOSITION | WO2004009513 |
| OPPOSITION | WO2012057829 |
| OPPOSITION | WO2013068312 |
| OPPOSITION | WO2014016320 |
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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Jun 7, 2024
May 14, 2024
Refund of fees
Search/Exam
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Appeal
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Communication of amended entries
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Feb 18, 2019
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Mar 2, 2018
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English translation of the claims
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Feb 14, 2018
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Feb 14, 2018
French translation of claims
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Feb 13, 2018
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Feb 13, 2018
Filing of the translations of the claims
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Feb 13, 2018
French translation of claims
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Dec 13, 2017
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Intention to grant (signatures)
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Dec 13, 2017
Text intended for grant (clean copy)
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Dec 13, 2017
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Examination started
Search/Exam
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Request for further processing allowed
Search/Exam
Dec 12, 2016
Payment of fees and costs
Search/Exam
Dec 12, 2016
Payment of fees and costs
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Dec 12, 2016
Request for further processing
Search/Exam
Nov 29, 2016
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Communication to designated inventor
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Oct 24, 2016
Communication to designated inventor
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Oct 18, 2016
(Electronic) Receipt
Search/Exam
Oct 18, 2016
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Amended claims with annotations
Search/Exam
Oct 18, 2016
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Amended description with annotations
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Oct 18, 2016
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Oct 18, 2016
Letter accompanying subsequently filed items
Search/Exam
Oct 18, 2016
Note on telephone consultation
Search/Exam
Oct 7, 2016
Payment of fees and costs
Search/Exam
Sep 30, 2016
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Sep 9, 2016
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Amended claims with annotations
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Sep 9, 2016
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Amended description with annotations
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Sep 9, 2016
Amendments received before examination
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Sep 9, 2016
Priority search results
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Sep 9, 2016
Request for entry into the European phase
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Aug 23, 2016
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Reply to Written Opinion prepared by the EPO
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Jun 24, 2016
Information on entry into European phase
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Jan 19, 2016
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Notification of election of EPO
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Jan 19, 2016
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Notification of the recording of a change
Search/Exam
Dec 18, 2015
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PCT demand form
PCT2
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Copy of the international search report
Search/Exam
Aug 20, 2015
Copy of the international search report
Search/Exam
Aug 20, 2015
Published international application - A1
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Apr 28, 2015
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(Electronic) Receipt
PCTRO
Feb 12, 2015
Abstract
PCTRO
Feb 12, 2015
Claims
PCTRO
Feb 12, 2015
Description
PCTRO
Feb 12, 2015
Drawings
PCTRO