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The patent EP3287140 was granted to Beijing Staidson Medical Technology on Jun 2, 2021. The application was filed on Apr 18, 2016 under application number EP16782601A. 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 |
|---|---|---|---|
| DOMPE FARMACEUTICI | Mar 2, 2022 | FRAIRE | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | CN101461786 |
| INTERNATIONAL-SEARCH-REPORT | CN101972224 |
| INTERNATIONAL-SEARCH-REPORT | CN1133012 |
| INTERNATIONAL-SEARCH-REPORT | CN1552440 |
| INTERNATIONAL-SEARCH-REPORT | CN1824297 |
| INTERNATIONAL-SEARCH-REPORT | CN1857718 |
| INTERNATIONAL-SEARCH-REPORT | WO2007073035 |
| OPPOSITION | CN101972470 |
| OPPOSITION | CN1552440 |
| OPPOSITION | CN1843503 |
| OPPOSITION | US2008286280 |
| OPPOSITION | US6090781 |
| OPPOSITION | WO0048635 |
| OPPOSITION | WO03009817 |
| OPPOSITION | WO03092731 |
| OPPOSITION | WO2006014965 |
| OPPOSITION | WO2008045373 |
| OPPOSITION | WO2008143867 |
| OPPOSITION | WO9505845 |
| OPPOSITION | WO9704801 |
| SEARCH | CN101972470 |
| SEARCH | CN1552440 |
| SEARCH | WO9505845 |
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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Authorisation
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Decision to grant a European patent
Search/Exam
Apr 22, 2021
(Electronic) Receipt
Search/Exam
Apr 22, 2021
Filing of the translations of the claims
Search/Exam
Apr 22, 2021
French translation of claims
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Apr 22, 2021
German translation of the claims
Search/Exam
Apr 22, 2021
Letter accompanying subsequently filed items
Search/Exam
Jan 25, 2021
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Intention to grant (signatures)
Search/Exam
Jan 25, 2021
Text intended for grant (clean copy)
Search/Exam
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(Electronic) Receipt
Search/Exam
Dec 1, 2020
Amended description with annotations
Search/Exam
Dec 1, 2020
Description
Search/Exam
Dec 1, 2020
Letter accompanying subsequently filed items
Search/Exam
Dec 1, 2020
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Intention to grant (signatures)
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Aug 27, 2020
Text intended for grant (clean copy)
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Examination started
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Aug 1, 2019
(Electronic) Receipt
Search/Exam
Aug 1, 2019
Letter accompanying subsequently filed items
Search/Exam
Aug 1, 2019
Jul 17, 2019
Submission concerning representation
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Jul 1, 2019
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(Electronic) Receipt
Search/Exam
Jun 17, 2019
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Amended claims with annotations
Search/Exam
Jun 17, 2019
Amendments received before examination
Search/Exam
Jun 17, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 14, 2018
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European search opinion
Search/Exam
Nov 28, 2018
Information on Search Strategy
Search/Exam
Nov 28, 2018
Supplementary European search report
Search/Exam
Oct 17, 2018
Search started
Search/Exam
Jan 31, 2018
Notification of forthcoming publication
Search/Exam
Dec 8, 2017
Dec 6, 2017
Communication to designated inventor
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Dec 6, 2017
Communication to designated inventor
Search/Exam
Nov 20, 2017
(Electronic) Receipt
Search/Exam
Nov 20, 2017
Abstract
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Nov 20, 2017
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Amended claims with annotations
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Nov 20, 2017
Amendments received before examination
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Nov 20, 2017
Claims
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Nov 20, 2017
Description
Search/Exam
Nov 20, 2017
Drawings
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Nov 20, 2017
Request for entry into the European phase
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Nov 6, 2017
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Sep 1, 2017
Information on entry into European phase
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Aug 8, 2017
Notification of the recording of a change
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Nov 15, 2016
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Copy of the international search report
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Oct 27, 2016
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International publication pamphlet
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