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The patent EP3618752 was granted to Dentsply Sirona on Aug 16, 2023. The application was filed on Jun 17, 2019 under application number EP19731706A. 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 |
|---|---|---|---|
| SHAPE | Jul 16, 2021 | GUARDIAN CONSULTING IS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | DE102009008790 |
| DESCRIPTION | DE19952962 |
| DESCRIPTION | EP1502556 |
| DESCRIPTION | WO9932045 |
| INTERNATIONAL-SEARCH-REPORT | US2012214121 |
| INTERNATIONAL-SEARCH-REPORT | WO2018195554 |
| INTERNATIONAL-SEARCH-REPORT | WO2019067995 |
| OPPOSITION | US2018028294 |
| OPPOSITION | WO2014040695 |
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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Jul 20, 2023
Jul 20, 2023
Jul 14, 2023
Jul 10, 2023
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Jun 19, 2023
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Jun 14, 2023
May 24, 2023
Refund of fees
Search/Exam
May 17, 2023
May 17, 2023
May 17, 2023
May 11, 2023
(Electronic) Receipt
Appeal
May 11, 2023
May 11, 2023
Withdrawal of an appeal
Appeal
Mar 17, 2023
Mar 17, 2023
Mar 13, 2023
(Electronic) Receipt
Appeal
Mar 13, 2023
Mar 13, 2023
Notice of appeal
Appeal
Jan 23, 2023
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Means of redress
OPPO
Jan 3, 2023
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Authorisation
OPPO
Dec 14, 2021
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Nov 2, 2020
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Sep 24, 2020
Decision to grant a European patent
Search/Exam
Sep 21, 2020
Communication to designated inventor
Search/Exam
Sep 21, 2020
Communication to designated inventor
Search/Exam
Sep 21, 2020
Communication to designated inventor
Search/Exam
Sep 11, 2020
(Electronic) Receipt
Search/Exam
Sep 11, 2020
English translation of the claims
Search/Exam
Sep 11, 2020
Filing of the translations of the claims
Search/Exam
Sep 11, 2020
French translation of claims
Search/Exam
Sep 11, 2020
Letter accompanying subsequently filed items
Search/Exam
May 27, 2020
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May 27, 2020
Intention to grant (signatures)
Search/Exam
May 27, 2020
Text intended for grant (clean copy)
Search/Exam
May 27, 2020
Apr 30, 2020
Apr 30, 2020
Notification of the recording of a change
Search/Exam
Apr 24, 2020
Examination started
Search/Exam
Apr 22, 2020
Apr 22, 2020
Apr 22, 2020
Notification of the recording of a change
Search/Exam
Apr 16, 2020
Apr 14, 2020
Apr 3, 2020
(Electronic) Receipt
PCTRO
Apr 3, 2020
Apr 3, 2020
Feb 25, 2020
(Electronic) Receipt
Search/Exam
Feb 25, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 25, 2020
Priority search results
Search/Exam
Feb 25, 2020
Feb 18, 2020
Feb 12, 2020
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Jan 7, 2020
Jan 2, 2020
Jan 2, 2020
Dec 26, 2019
Copy of the international search report
Search/Exam
Dec 26, 2019
Published international application - A1
Search/Exam
Dec 16, 2019
Dec 12, 2019
Dec 10, 2019
(Electronic) Receipt
Search/Exam
Dec 10, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 10, 2019
Dec 6, 2019
(Electronic) Receipt
Search/Exam
Dec 6, 2019
Dec 6, 2019
Amended claims with annotations
Search/Exam
Dec 6, 2019
Dec 6, 2019
Amended description with annotations
Search/Exam
Dec 6, 2019
Amendments received before examination
Search/Exam
Dec 6, 2019
Request for entry into the European phase
Search/Exam
Oct 1, 2019
Oct 1, 2019
Priority document
Search/Exam
Sep 25, 2019
Sep 25, 2019
Copy of the international search report
Search/Exam
Sep 25, 2019
ISR: cited documents
PCTISA
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Sep 25, 2019
Sep 24, 2019
Sep 24, 2019
Aug 23, 2019
Jul 8, 2019
Jul 8, 2019
Jul 2, 2019
Jul 1, 2019
Jun 26, 2019
Jun 21, 2019
(Electronic) Receipt
PCTRO
Jun 21, 2019
Jun 21, 2019
Jun 17, 2019
(Electronic) Receipt
PCTRO
Jun 17, 2019
Abstract
PCTRO
Jun 17, 2019
Claims
PCTRO
Jun 17, 2019
Description
PCTRO
Jun 17, 2019
Jun 17, 2019
Drawings
PCTRO
Jun 17, 2019
Drawings
PCTRO
Jun 17, 2019
Jun 17, 2019
International publication pamphlet
Search/Exam