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The patent EP3280350 was granted to M Innovative Properties on Jan 23, 2019. The application was filed on Mar 31, 2016 under application number EP16715228A. The patent is currently recorded with a legal status of "Opposition Rejected".

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 | Oct 23, 2019 | BALDUS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| EXAMINATION | WO2014043488 |
| INTERNATIONAL-SEARCH-REPORT | KR101371211B |
| INTERNATIONAL-SEARCH-REPORT | US2009021745 |
| INTERNATIONAL-SEARCH-REPORT | US2009087050 |
| INTERNATIONAL-SEARCH-REPORT | US2015002649 |
| INTERNATIONAL-SEARCH-REPORT | US5690486 |
| INTERNATIONAL-SEARCH-REPORT | WO2007084589 |
| INTERNATIONAL-SEARCH-REPORT | WO2014068383 |
| INTERNATIONAL-SEARCH-REPORT | WO2014100950 |
| OPPOSITION | EP1236444 |
| OPPOSITION | EP2140832 |
| OPPOSITION | US2010140450 |
| OPPOSITION | US2011318713 |
| OPPOSITION | WO2014043488 |
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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Decision to grant a European patent
Search/Exam
Dec 6, 2018
Dec 6, 2018
Dec 6, 2018
Intention to grant (signatures)
Search/Exam
Dec 6, 2018
Text intended for grant (clean copy)
Search/Exam
Dec 6, 2018
Nov 9, 2018
(Electronic) Receipt
Search/Exam
Nov 9, 2018
Amended description with annotations
Search/Exam
Nov 9, 2018
Description
Search/Exam
Nov 9, 2018
French translation of claims
Search/Exam
Nov 9, 2018
German translation of the claims
Search/Exam
Nov 9, 2018
Aug 24, 2018
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Aug 24, 2018
Intention to grant (signatures)
Search/Exam
Aug 24, 2018
Text intended for grant (clean copy)
Search/Exam
Aug 24, 2018
Jul 9, 2018
(Electronic) Receipt
Search/Exam
Jul 9, 2018
Amended claims with annotations
Search/Exam
Jul 9, 2018
Amended description with annotations
Search/Exam
Jul 9, 2018
Claims
Search/Exam
Jul 9, 2018
Description
Search/Exam
Jul 9, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 9, 2018
Jul 3, 2018
Annex to the communication
Search/Exam
Jul 3, 2018
Communication from the Examining Division
Search/Exam
Jun 15, 2018
Examination started
Search/Exam
Jan 17, 2018
Nov 15, 2017
Communication to designated inventor
Search/Exam
Nov 15, 2017
Communication to designated inventor
Search/Exam
Nov 15, 2017
Communication to designated inventor
Search/Exam
Nov 15, 2017
Communication to designated inventor
Search/Exam
Nov 10, 2017
Priority search results copy provided by EPO
Search/Exam
Oct 25, 2017
Sep 20, 2017
(Electronic) Receipt
Search/Exam
Sep 20, 2017
Sep 20, 2017
Amended claims with annotations
Search/Exam
Sep 20, 2017
Amendments received before examination
Search/Exam
Sep 20, 2017
Request for entry into the European phase
Search/Exam
Aug 18, 2017
Information on entry into European phase
Search/Exam
Oct 31, 2016
Oct 13, 2016
Copy of the international search report
Search/Exam
Oct 13, 2016
Published international application - A1
Search/Exam
Jun 20, 2016
ISR: cited documents
PCTISA
Jun 17, 2016
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Abstract
PCTISA
Apr 8, 2016
Annex
PCTISA
Apr 8, 2016
Claims
PCTISA
Apr 8, 2016
Description
PCTISA
Apr 8, 2016
Drawings
PCTISA
Apr 8, 2016
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