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The patent EP3821803B1 was granted to Dexcom on Sep 1, 2021 following the initial filing on Mar 10, 2006 under the application number EP20210129A . 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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Sep 14, 2021
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Decision to grant a European patent
Search/Exam
Jul 26, 2021
(Electronic) Receipt
Search/Exam
Jul 26, 2021
Filing of the translations of the claims
Search/Exam
Jul 26, 2021
French translation of claims
Search/Exam
Jul 26, 2021
German translation of the claims
Search/Exam
Jul 26, 2021
Letter accompanying subsequently filed items
Search/Exam
Jul 20, 2021
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Intention to grant (signatures)
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Jul 20, 2021
Text intended for grant (clean copy)
Search/Exam
Jul 20, 2021
Jun 28, 2021
(Electronic) Receipt
Search/Exam
Jun 28, 2021
Enquiry as to the processing of the file
Search/Exam
Jun 28, 2021
Letter accompanying subsequently filed items
Search/Exam
Jun 10, 2021
Examination started
Search/Exam
May 25, 2021
May 6, 2021
Refund of fees
Search/Exam
May 6, 2021
Refund of fees
Search/Exam
Apr 22, 2021
(Electronic) Receipt
Search/Exam
Apr 22, 2021
Apr 22, 2021
Amended claims with annotations
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Apr 22, 2021
Apr 22, 2021
Amended description with annotations
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Apr 22, 2021
Amendments received before examination
Search/Exam
Apr 22, 2021
Deficiencies in an enquiry
Search/Exam
Apr 22, 2021
Letter accompanying subsequently filed items
Search/Exam
Apr 21, 2021
Notification of forthcoming publication
Search/Exam
Apr 13, 2021
(Electronic) Receipt
Search/Exam
Apr 13, 2021
Enquiry as to the processing of the file
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Apr 13, 2021
Letter accompanying subsequently filed items
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Mar 3, 2021
Refund of fees
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Mar 1, 2021
Mar 1, 2021
European search opinion
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Mar 1, 2021
European search report
Search/Exam
Mar 1, 2021
Information on Search Strategy
Search/Exam
Feb 18, 2021
Search started
Search/Exam
Feb 2, 2021
Communication to designated inventor
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Feb 2, 2021
Communication to designated inventor
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Feb 2, 2021
Communication to designated inventor
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Feb 2, 2021
Communication to designated inventor
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Dec 21, 2020
Notice on debiting of fees
Search/Exam
Dec 10, 2020
(Electronic) Receipt
Search/Exam
Dec 10, 2020
Claims
Search/Exam
Dec 10, 2020
Letter accompanying subsequently filed items
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Dec 10, 2020
Matter concerning the application
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Dec 8, 2020
Invitation to file claims
Search/Exam
Nov 26, 2020
Abstract
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Nov 26, 2020
Nov 26, 2020
Description
Search/Exam
Nov 26, 2020
Designation of inventor
Search/Exam
Nov 26, 2020
Drawings
Search/Exam
Nov 26, 2020
Request for grant of a European patent
Search/Exam
Oct 9, 2006