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The patent EP3196304 was granted to Daiichi Sankyo on Oct 6, 2021. The application was filed on Jul 29, 2015 under application number EP15826531A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

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 |
|---|---|---|---|
| JAMES POOLE | Jul 6, 2022 | CARPMAELS & RANSFORD | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | JP2000078978 |
| INTERNATIONAL-SEARCH-REPORT | JPS62104585 |
| INTERNATIONAL-SEARCH-REPORT | WO03091431 |
| INTERNATIONAL-SEARCH-REPORT | WO2009057813 |
| SEARCH | US5612198 |
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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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
Jul 3, 2024
Jun 27, 2024
(Electronic) Receipt
Appeal
Jun 27, 2024
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Notice of appeal
Appeal
Feb 27, 2024
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Means of redress
OPPO
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Oct 19, 2021
Sep 9, 2021
Decision to grant a European patent
Search/Exam
Aug 31, 2021
(Electronic) Receipt
Search/Exam
Aug 31, 2021
Filing of the translations of the claims
Search/Exam
Aug 31, 2021
French translation of claims
Search/Exam
Aug 31, 2021
German translation of the claims
Search/Exam
Aug 31, 2021
Letter accompanying subsequently filed items
Search/Exam
Jun 22, 2021
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Intention to grant (signatures)
Search/Exam
Jun 22, 2021
Text intended for grant (clean copy)
Search/Exam
Jun 22, 2021
Text intended for grant (sequence listing)
Search/Exam
Jun 22, 2021
Nov 17, 2020
(Electronic) Receipt
Search/Exam
Nov 17, 2020
Description
Search/Exam
Nov 17, 2020
Letter accompanying subsequently filed items
Search/Exam
Nov 17, 2020
Sep 18, 2020
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Intention to grant (signatures)
Search/Exam
Sep 18, 2020
Text intended for grant (clean copy)
Search/Exam
Sep 18, 2020
Text intended for grant (sequence listing)
Search/Exam
Sep 18, 2020
Mar 28, 2019
Description
Search/Exam
Mar 28, 2019
Feb 8, 2019
Annex to the communication
Search/Exam
Feb 8, 2019
Communication from the Examining Division
Search/Exam
Feb 4, 2019
Examination started
Search/Exam
Jun 18, 2018
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Amended claims with annotations
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Jun 18, 2018
Amendments received before examination
Search/Exam
Jan 22, 2018
Jan 5, 2018
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Dec 11, 2017
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European search opinion
Search/Exam
Dec 11, 2017
Information on Search Strategy
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Dec 11, 2017
Supplementary European search report
Search/Exam
Nov 29, 2017
Search started
Search/Exam
Aug 29, 2017
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Amended claims with annotations
Search/Exam
Aug 29, 2017
Amendments received before examination
Search/Exam
Jun 28, 2017
Notification of forthcoming publication
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Mar 8, 2017
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Mar 6, 2017
Communication to designated inventor
Search/Exam
Mar 6, 2017
Communication to designated inventor
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Mar 6, 2017
Communication to designated inventor
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Mar 6, 2017
Communication to designated inventor
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Mar 6, 2017
Communication to designated inventor
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Mar 6, 2017
Communication to designated inventor
Search/Exam
Mar 6, 2017
Communication to designated inventor
Search/Exam
Mar 6, 2017
Communication to designated inventor
Search/Exam
Feb 17, 2017
(Electronic) Receipt
Search/Exam
Feb 17, 2017
Abstract
Search/Exam
Feb 17, 2017
Feb 17, 2017
Amended claims with annotations
Search/Exam
Feb 17, 2017
Amendments received before examination
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Feb 17, 2017
Claims
Search/Exam
Feb 17, 2017
Converted Sequence Listing
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Feb 17, 2017
Description
Search/Exam
Feb 17, 2017
Drawings
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Feb 17, 2017
Request for entry into the European phase
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Feb 15, 2017
Feb 15, 2017
Dec 9, 2016
Information on entry into European phase
Search/Exam
Oct 20, 2016
Notification of the recording of a change
Search/Exam
Feb 22, 2016
Feb 4, 2016
Converted Sequence Listing
Search/Exam
Feb 4, 2016
Copy of the international search report
Search/Exam
Feb 4, 2016
Feb 4, 2016
International publication pamphlet
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