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The patent EP3231805 was granted to Crystal Pharmatech on Mar 4, 2020. The application was filed on Dec 11, 2015 under application number EP15867450A. 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 |
|---|---|---|---|
| SCORPIO | Dec 4, 2020 | SAGITTARIUS | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | CN102186856 |
| INTERNATIONAL-SEARCH-REPORT | CN103201275 |
| INTERNATIONAL-SEARCH-REPORT | CN105085533 |
| INTERNATIONAL-SEARCH-REPORT | CN105111215 |
| OPPOSITION | CN110156793 |
| OPPOSITION | CN110964017 |
| OPPOSITION | WO2010020675 |
| OPPOSITION | WO2012064805 |
| OPPOSITION | WO2019019959 |
| OPPOSITION | WO2019040567 |
| OPPOSITION | WO2019111160 |
| OPPOSITION | WO2019142206 |
| OPPOSITION | WO2020225827 |
| SEARCH | WO2010020675 |
| SEARCH | WO2012064805 |
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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Means of redress
OPPO
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Authorisation
OPPO
Apr 14, 2021
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Authorisation
OPPO
Apr 7, 2021
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Mar 16, 2020
Feb 6, 2020
Decision to grant a European patent
Search/Exam
Feb 4, 2020
(Electronic) Receipt
Search/Exam
Feb 4, 2020
French translation of claims
Search/Exam
Feb 4, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 4, 2020
Matter concerning the application
Search/Exam
Feb 4, 2020
Jan 22, 2020
(Electronic) Receipt
Search/Exam
Jan 22, 2020
Filing of the translations of the claims
Search/Exam
Jan 22, 2020
German translation of the claims
Search/Exam
Jan 22, 2020
Translation of the claims
Search/Exam
Dec 5, 2019
Dec 5, 2019
Dec 5, 2019
Intention to grant (signatures)
Search/Exam
Dec 5, 2019
Text intended for grant (clean copy)
Search/Exam
Dec 5, 2019
Nov 13, 2019
Examination started
Search/Exam
Oct 29, 2019
Oct 29, 2019
Priority search results
Search/Exam
Sep 10, 2019
Apr 29, 2019
Final instructions (loss of partial rights)
Search/Exam
Jan 17, 2019
Dec 7, 2018
Dec 7, 2018
Dec 7, 2018
Amended description with annotations
Search/Exam
Dec 7, 2018
Amendments received before examination
Search/Exam
Dec 7, 2018
Translation of priority document
Search/Exam
Dec 7, 2018
Translation of priority document
Search/Exam
May 29, 2018
May 29, 2018
May 11, 2018
May 11, 2018
European search opinion
Search/Exam
May 11, 2018
Information on Search Strategy
Search/Exam
May 11, 2018
Supplementary European search report
Search/Exam
Apr 25, 2018
Search started
Search/Exam
Oct 9, 2017
Oct 9, 2017
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Oct 9, 2017
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Oct 2, 2017
Letter which had not been notified
Search/Exam
Oct 2, 2017
Letter which had not been notified
Search/Exam
Oct 2, 2017
Letter which had not been notified
Search/Exam
Oct 2, 2017
Letter which had not been notified
Search/Exam
Oct 2, 2017
Letter which had not been notified
Search/Exam
Sep 20, 2017
Notification of forthcoming publication
Search/Exam
Aug 18, 2017
Aug 16, 2017
Communication to designated inventor
Search/Exam
Aug 16, 2017
Communication to designated inventor
Search/Exam
Aug 16, 2017
Communication to designated inventor
Search/Exam
Aug 16, 2017
Communication to designated inventor
Search/Exam
Aug 16, 2017
Communication to designated inventor
Search/Exam
Jul 10, 2017
(Electronic) Receipt
Search/Exam
Jul 10, 2017
Abstract
Search/Exam
Jul 10, 2017
Jul 10, 2017
Claims
Search/Exam
Jul 10, 2017
Description
Search/Exam
Jul 10, 2017
Drawings
Search/Exam
Jul 10, 2017
Request for entry into the European phase
Search/Exam
Jun 27, 2017
Jun 27, 2017
Apr 21, 2017
Information on entry into European phase
Search/Exam
Jul 5, 2016
Jul 5, 2016
Jul 5, 2016
Jun 16, 2016
Copy of the international search report
Search/Exam
Jun 16, 2016