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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EP20163993: (Electronic) Receipt
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Apr 19, 2022
EP20163993: French translation of claims
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Apr 19, 2022
EP20163993: German translation of the claims
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Apr 19, 2022
Dec 16, 2021
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EP20163993: Intention to grant (signatures)
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EP20163993: Examination started
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Apr 19, 2021
EP20163993: (Electronic) Receipt
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Apr 19, 2021
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EP20163993: Amended claims with annotations
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Dec 15, 2020
EP20163993: Refund of fees
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Oct 26, 2020
Sep 23, 2020
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EP20163993: European search opinion
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Sep 23, 2020
EP20163993: European search report
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Sep 23, 2020
EP20163993: Information on Search Strategy
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Sep 23, 2020
Jun 9, 2020
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Jun 4, 2020
EP20163993: (Electronic) Receipt
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Jun 4, 2020
EP20163993: Claims
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Jun 4, 2020
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Apr 7, 2020
EP20163993: Invitation to file claims
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Mar 31, 2020
Mar 18, 2020
EP20163993: Abstract
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EP20163993: Converted Sequence Listing
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Mar 18, 2020
EP20163993: Description
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Mar 18, 2020
EP20163993: Designation of inventor
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Mar 18, 2020
EP20163993: Drawings
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Mar 18, 2020
Dec 19, 2013