The patent EP3725810B1 was granted to Astellas Pharma on Jul 6, 2022 following the initial filing on May 21, 2013 under the application number EP20163993A . The current legal status of the patent is 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.
The dossier documents provide a comprehensive record of the patent’s prosecution history, including filings, correspondence, and decisions made by patent offices. These documents are crucial for understanding the patent’s legal journey and any challenges it may have faced during examination. It also includes the oppositions documents filed against the patent.
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Jul 19, 2022
Jun 10, 2022
Decision to grant a European patent
Search/Exam
Apr 19, 2022
(Electronic) Receipt
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Apr 19, 2022
French translation of claims
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Apr 19, 2022
German translation of the claims
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Apr 19, 2022
Letter accompanying subsequently filed items
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Dec 16, 2021
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Intention to grant (signatures)
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Dec 16, 2021
Text intended for grant (clean copy)
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Dec 16, 2021
Text intended for grant (sequence listing)
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Dec 16, 2021
Nov 24, 2021
Examination started
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Apr 19, 2021
(Electronic) Receipt
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Apr 19, 2021
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Amended claims with annotations
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Apr 19, 2021
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Amended description with annotations
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Apr 19, 2021
Amendments received before examination
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Apr 19, 2021
Letter accompanying subsequently filed items
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Dec 15, 2020
Refund of fees
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Oct 26, 2020
Sep 23, 2020
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European search opinion
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Sep 23, 2020
European search report
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Sep 23, 2020
Information on Search Strategy
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Sep 23, 2020
Notification of forthcoming publication
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Jun 9, 2020
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Jun 4, 2020
(Electronic) Receipt
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Jun 4, 2020
Claims
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Jun 4, 2020
Letter concerning fees and payments
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Jun 2, 2020
Letter which had not been notified
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Jun 2, 2020
Letter which had not been notified
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May 11, 2020
Communication to designated inventor
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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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Communication to designated inventor
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Communication to designated inventor
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May 11, 2020
Communication to designated inventor
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Apr 7, 2020
Invitation to file claims
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Mar 31, 2020
Priority search results copy provided by EPO
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Mar 18, 2020
Abstract
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Converted Sequence Listing
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Mar 18, 2020
Description
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Mar 18, 2020
Designation of inventor
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Mar 18, 2020
Drawings
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Mar 18, 2020
Request for grant of a European patent
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Dec 19, 2013