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The patent EP4111949B1 was granted to Dexcom on Jul 26, 2023 following the initial filing on Jun 22, 2018 under the application number EP22175672A . The current legal status of the patent is 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.
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 21, 2025
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OPPO
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Aug 8, 2023
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Decision to grant a European patent
Search/Exam
Jun 13, 2023
May 18, 2023
(Electronic) Receipt
Search/Exam
May 18, 2023
Filing of the translations of the claims
Search/Exam
May 18, 2023
French translation of claims
Search/Exam
May 18, 2023
German translation of the claims
Search/Exam
May 18, 2023
Letter accompanying subsequently filed items
Search/Exam
Mar 24, 2023
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Intention to grant (signatures)
Search/Exam
Mar 24, 2023
Text intended for grant (clean copy)
Search/Exam
Mar 24, 2023
Feb 17, 2023
Examination started
Search/Exam
Jan 10, 2023
Dec 7, 2022
Notification of forthcoming publication
Search/Exam
Nov 24, 2022
(Electronic) Receipt
Search/Exam
Nov 24, 2022
Nov 24, 2022
Amended claims with annotations
Search/Exam
Nov 24, 2022
Amendments received before examination
Search/Exam
Nov 24, 2022
Letter accompanying subsequently filed items
Search/Exam
Nov 21, 2022
Refund of fees
Search/Exam
Nov 16, 2022
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European search opinion
Search/Exam
Nov 16, 2022
European search report
Search/Exam
Nov 16, 2022
Information on Search Strategy
Search/Exam
Aug 24, 2022
(Electronic) Receipt
Search/Exam
Aug 24, 2022
Letter concerning fees and payments
Search/Exam
Aug 17, 2022
(Electronic) Receipt
Search/Exam
Aug 17, 2022
Annex
Search/Exam
Aug 17, 2022
Claims
Search/Exam
Aug 17, 2022
Letter accompanying subsequently filed items
Search/Exam
Aug 17, 2022
Matter concerning the application
Search/Exam
Jun 21, 2022
Payment submission rejected
Search/Exam
Jun 7, 2022
Invitation to file claims
Search/Exam
May 26, 2022
Abstract
Search/Exam
May 26, 2022
May 26, 2022
Description
Search/Exam
May 26, 2022
Designation of inventor
Search/Exam
May 26, 2022
Drawings
Search/Exam
May 26, 2022
Request for grant of a European patent
Search/Exam
Feb 4, 2019
Feb 4, 2019