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The patent EP2985016 was granted to Shofu on May 27, 2020. The application was filed on Jul 27, 2015 under application number EP15178465A. 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 |
|---|---|---|---|
| DENTSPLY DETREY | Mar 1, 2021 | WACHTERSHAUSER & HARTZ PATENTANWALTSPARTNERSCHAFT MBB | ADMISSIBLE |
| IVOCLAR VIVADENT | Feb 26, 2021 | UEXKULL & STOLBERG | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JPH08143747 |
| DESCRIPTION | JPH09194674 |
| OPPOSITION | EP0988851 |
| OPPOSITION | EP2103296 |
| OPPOSITION | EP2279723 |
| OPPOSITION | US2003036582 |
| OPPOSITION | US2003181541 |
| OPPOSITION | US2009048366 |
| OPPOSITION | US4010545 |
| OPPOSITION | US6020395 |
| OPPOSITION | US8642678 |
| OPPOSITION | WO2009135677 |
| OPPOSITION | WO2010143934 |
| SEARCH | EP0988851 |
| SEARCH | EP2279723 |
| SEARCH | US2003036582 |
| SEARCH | US2003181541 |
| SEARCH | US4010545 |
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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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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Appeal
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Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Appeal
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Appeal
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Sep 27, 2023
(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
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Sep 18, 2023
(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
Sep 15, 2023
(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
May 17, 2023
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(Electronic) Receipt
Appeal
May 11, 2023
(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Mar 10, 2023
(Electronic) Receipt
Appeal
Mar 10, 2023
Mar 10, 2023
Notice of appeal
Appeal
Mar 2, 2023
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Feb 24, 2023
(Electronic) Receipt
Appeal
Feb 24, 2023
Feb 24, 2023
Notice of appeal
Appeal
Feb 8, 2023
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(Electronic) Receipt
Appeal
Jan 31, 2023
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Notice of appeal
Appeal
Jan 2, 2023
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Means of redress
OPPO
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Jun 8, 2020
May 4, 2020
Decision to grant a European patent
Search/Exam
Apr 16, 2020
(Electronic) Receipt
Search/Exam
Apr 16, 2020
Filing of the translations of the claims
Search/Exam
Apr 16, 2020
French translation of claims
Search/Exam
Apr 16, 2020
German translation of the claims
Search/Exam
Apr 16, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 2, 2020
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Intention to grant (signatures)
Search/Exam
Jan 2, 2020
Text intended for grant (clean copy)
Search/Exam
Jan 2, 2020
Nov 6, 2019
(Electronic) Receipt
Search/Exam
Nov 6, 2019
Amended claims with annotations
Search/Exam
Nov 6, 2019
Amended description with annotations
Search/Exam
Nov 6, 2019
Claims
Search/Exam
Nov 6, 2019
Description
Search/Exam
Nov 6, 2019
Drawings
Search/Exam
Nov 6, 2019
Letter accompanying subsequently filed items
Search/Exam
Nov 6, 2019
Sep 10, 2019
Sep 5, 2019
(Electronic) Receipt
Search/Exam
Sep 5, 2019
Letter accompanying subsequently filed items
Search/Exam
Sep 5, 2019
Apr 30, 2019
Annex to the communication
Search/Exam
Apr 30, 2019
Communication from the Examining Division
Search/Exam
Apr 15, 2019
Examination started
Search/Exam
Jan 3, 2019
Dec 12, 2018
(Electronic) Receipt
Search/Exam
Dec 12, 2018
Enquiry as to the processing of the file
Search/Exam
Dec 12, 2018
Letter accompanying subsequently filed items
Search/Exam
Apr 16, 2018
Apr 11, 2018
Submission concerning representation
Search/Exam
Nov 9, 2016
(Electronic) Receipt
Search/Exam
Nov 9, 2016
Nov 9, 2016
Amended claims with annotations
Search/Exam
Nov 9, 2016
Nov 9, 2016
Amended description with annotations
Search/Exam
Nov 9, 2016
Amendments received before examination
Search/Exam
Nov 9, 2016
Drawings
Search/Exam
Nov 9, 2016
Letter accompanying subsequently filed items
Search/Exam
May 17, 2016
Apr 7, 2016
Apr 7, 2016
European search opinion
Search/Exam
Apr 7, 2016
European search report
Search/Exam
Apr 7, 2016
Information on Search Strategy
Search/Exam
Mar 15, 2016
Authorisation
Search/Exam
Mar 15, 2016
Submission concerning representation
Search/Exam
Feb 25, 2016
Feb 10, 2016
Feb 10, 2016
Feb 8, 2016
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Feb 3, 2016
(Electronic) Receipt
Search/Exam
Feb 3, 2016
Letter accompanying subsequently filed items
Search/Exam
Feb 3, 2016
Jan 20, 2016
Notification of forthcoming publication
Search/Exam
Dec 22, 2015
Annex to the communication
Search/Exam
Dec 22, 2015
Oct 16, 2015
Communication to designated inventor
Search/Exam
Oct 16, 2015
Communication to designated inventor
Search/Exam
Oct 7, 2015
Sep 30, 2015
Aug 24, 2015
(Electronic) Receipt
Search/Exam
Aug 24, 2015
Letter concerning fees and payments
Search/Exam
Jul 27, 2015
Abstract
Search/Exam
Jul 27, 2015
Jul 27, 2015
Claims
Search/Exam
Jul 27, 2015
Description
Search/Exam
Jul 27, 2015
Designation of inventor
Search/Exam
Jul 27, 2015
Drawings
Search/Exam
Jul 27, 2015
Request for grant of a European patent
Search/Exam
Jul 27, 2015
Submission concerning representation
Search/Exam