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The patent EP3733115 was granted to Kuraray Noritake Dental on Apr 19, 2023. The application was filed on Dec 26, 2018 under application number EP18893985A. 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 |
|---|---|---|---|
| DEGUDENT | Jan 19, 2024 | PICHOVA | ADMISSIBLE |
| DEGUDENT | Jan 19, 2024 | WACHTERSHAUSER & HARTZ PATENTANWALTSPARTNERSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JP2014534018 |
| DESCRIPTION | JP2016535610 |
| INTERNATIONAL-SEARCH-REPORT | EP0850601 |
| INTERNATIONAL-SEARCH-REPORT | JP2014534018 |
| INTERNATIONAL-SEARCH-REPORT | JPH04505113 |
| INTERNATIONAL-SEARCH-REPORT | US2013069264 |
| INTERNATIONAL-SEARCH-REPORT | US2014255875 |
| INTERNATIONAL-SEARCH-REPORT | WO2016104724 |
| OPPOSITION | US2016228222 |
| OPPOSITION | WO2017114776 |
| OTHER | DE102015122861 |
| SEARCH | US2016228222 |
| SEARCH | WO0209612 |
| SEARCH | WO2009070470 |
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.
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Observations by third parties
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(Electronic) Receipt
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Filing of the translations of the claims
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French translation of claims
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German translation of the claims
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Letter accompanying subsequently filed items
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Observations by third parties
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Patent document filed by a Third party
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Intention to grant (signatures)
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Text intended for grant (clean copy)
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Examination started
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(Electronic) Receipt
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Amended claims with annotations
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Letter accompanying subsequently filed items
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European search opinion
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Information on Search Strategy
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Supplementary European search report
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Search started
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(Electronic) Receipt
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Amended claims with annotations
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Amendments received before examination
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Letter accompanying subsequently filed items
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Notification of forthcoming publication
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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(Electronic) Receipt
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Abstract
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Claims
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Description
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Drawings
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Request for entry into the European phase
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Information on entry into European phase
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Copy of the international search report
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International publication pamphlet
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