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The patent EP3932297 was granted to Dexcom on May 3, 2023. The application was filed on Mar 10, 2006 under application number EP21175692A. The patent is currently recorded with a legal status of "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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| ABBOTT | Feb 2, 2024 | BOULT WADE TENNANT | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US19990447227 |
| DESCRIPTION | US20050201445 |
| DESCRIPTION | US20050280102 |
| DESCRIPTION | US20050280672 |
| DESCRIPTION | US20060333837 |
| DESCRIPTION | US20060334876 |
| DESCRIPTION | US20060335879 |
| DESCRIPTION | US2003032874 |
| DESCRIPTION | US2003217966 |
| DESCRIPTION | US2004045879 |
| DESCRIPTION | US2004186362 |
| DESCRIPTION | US2004199059 |
| DESCRIPTION | US2005027180 |
| DESCRIPTION | US2005027181 |
| DESCRIPTION | US2005027463 |
| DESCRIPTION | US2005031689 |
| DESCRIPTION | US2005033132 |
| DESCRIPTION | US2005043598 |
| DESCRIPTION | US2005051427 |
| DESCRIPTION | US2005051440 |
| DESCRIPTION | US2005054909 |
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| DESCRIPTION | US2005103625 |
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| DESCRIPTION | US2005242479 |
| DESCRIPTION | US2005245795 |
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| SEARCH | GB2230865 |
| SEARCH | US2002043651 |
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.
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May 16, 2023
Apr 6, 2023
Decision to grant a European patent
Search/Exam
Mar 24, 2023
(Electronic) Receipt
Search/Exam
Mar 24, 2023
(Electronic) Receipt
Search/Exam
Mar 24, 2023
Filing of the translations of the claims
Search/Exam
Mar 24, 2023
Letter accompanying subsequently filed items
Search/Exam
Mar 24, 2023
Letter accompanying subsequently filed items
Search/Exam
Mar 17, 2023
Mar 17, 2023
Mar 17, 2023
Mar 17, 2023
Intention to grant (signatures)
Search/Exam
Mar 17, 2023
Text intended for grant (clean copy)
Search/Exam
Mar 17, 2023
Feb 23, 2023
(Electronic) Receipt
Search/Exam
Feb 23, 2023
Filing of the translations of the claims
Search/Exam
Feb 23, 2023
French translation of claims
Search/Exam
Feb 23, 2023
German translation of the claims
Search/Exam
Feb 23, 2023
Letter accompanying subsequently filed items
Search/Exam
Feb 6, 2023
(Electronic) Receipt
Search/Exam
Feb 6, 2023
Letter accompanying subsequently filed items
Search/Exam
Feb 6, 2023
Feb 3, 2023
Annex to the communication
Search/Exam
Feb 3, 2023
Feb 3, 2023
Jan 27, 2023
(Electronic) Receipt
Search/Exam
Jan 27, 2023
Amended claims with annotations
Search/Exam
Jan 27, 2023
Claims
Search/Exam
Jan 27, 2023
Letter accompanying subsequently filed items
Search/Exam
Jan 27, 2023
Oct 24, 2022
Oct 24, 2022
Oct 24, 2022
Oct 24, 2022
Intention to grant (signatures)
Search/Exam
Oct 24, 2022
Text intended for grant (clean copy)
Search/Exam
Oct 24, 2022
Oct 4, 2022
Examination started
Search/Exam
Jul 5, 2022
(Electronic) Receipt
Search/Exam
Jul 5, 2022
Jul 5, 2022
Amendments received before examination
Search/Exam
Jul 5, 2022
Letter accompanying subsequently filed items
Search/Exam
Jan 11, 2022
Dec 8, 2021
Notification of forthcoming publication
Search/Exam
Dec 8, 2021
Refund of fees
Search/Exam
Dec 3, 2021
Dec 3, 2021
European search opinion
Search/Exam
Dec 3, 2021
European search report
Search/Exam
Dec 3, 2021
Information on Search Strategy
Search/Exam
Aug 17, 2021
(Electronic) Receipt
Search/Exam
Aug 17, 2021
Claims
Search/Exam
Aug 17, 2021
Letter accompanying subsequently filed items
Search/Exam
Aug 17, 2021
Matter concerning the application
Search/Exam
Jun 7, 2021
Invitation to file claims
Search/Exam
May 25, 2021
Abstract
Search/Exam
May 25, 2021
May 25, 2021
Description
Search/Exam
May 25, 2021
Designation of inventor
Search/Exam
May 25, 2021
Drawings
Search/Exam
May 25, 2021
Request for grant of a European patent
Search/Exam
Oct 9, 2006