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The patent EP3423591 was granted to Abbott on Nov 1, 2023. The application was filed on Mar 2, 2017 under application number EP17760843A. 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 |
|---|---|---|---|
| DEXCOM | Jul 31, 2024 | HOFFMANN EITLE | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US20130620678 |
| DESCRIPTION | US2007095661 |
| DESCRIPTION | US2010198034 |
| DESCRIPTION | US2010213057 |
| DESCRIPTION | US2010324392 |
| DESCRIPTION | US2010326842 |
| DESCRIPTION | US2011039165 |
| DESCRIPTION | US2011120865 |
| DESCRIPTION | US2011124993 |
| DESCRIPTION | US2011124994 |
| DESCRIPTION | US2011126188 |
| DESCRIPTION | US2011213225 |
| DESCRIPTION | US2011256024 |
| DESCRIPTION | US2011257495 |
| DESCRIPTION | US2012150005 |
| DESCRIPTION | US2012157801 |
| DESCRIPTION | US2012245447 |
| DESCRIPTION | US2012296186 |
| DESCRIPTION | US2012323098 |
| DESCRIPTION | US2013116524 |
| DESCRIPTION | US5262035 |
| DESCRIPTION | US5356786 |
| DESCRIPTION | US5593852 |
| DESCRIPTION | US5820551 |
| DESCRIPTION | US6071391 |
| DESCRIPTION | US6121009 |
| DESCRIPTION | US6134461 |
| DESCRIPTION | US6175752 |
| DESCRIPTION | US6284478 |
| DESCRIPTION | US6377894 |
| DESCRIPTION | US6503381 |
| DESCRIPTION | US6514460 |
| DESCRIPTION | US6514718 |
| DESCRIPTION | US6560471 |
| DESCRIPTION | US6579690 |
| DESCRIPTION | US6600997 |
| DESCRIPTION | US6605200 |
| DESCRIPTION | US6605201 |
| DESCRIPTION | US6654625 |
| DESCRIPTION | US6676816 |
| DESCRIPTION | US6736957 |
| DESCRIPTION | US6746582 |
| DESCRIPTION | US6881551 |
| DESCRIPTION | US6932894 |
| DESCRIPTION | US7090756 |
| DESCRIPTION | US7299082 |
| DESCRIPTION | US7501053 |
| DESCRIPTION | US7754093 |
| DESCRIPTION | US7811231 |
| DESCRIPTION | US7822557 |
| DESCRIPTION | US8106780 |
| DESCRIPTION | US8435682 |
| DESCRIPTION | US8911908 |
| EXAMINATION | WO2010030912 |
| INTERNATIONAL-SEARCH-REPORT | US2012138484 |
| INTERNATIONAL-SEARCH-REPORT | US2012186997 |
| INTERNATIONAL-SEARCH-REPORT | US2012296186 |
| INTERNATIONAL-SEARCH-REPORT | US4321123 |
| INTERNATIONAL-SEARCH-REPORT | WO2015195352 |
| INTERNATIONAL-SEARCH-REPORT | WO2016025064 |
| OPPOSITION | JP2007225305 |
| OPPOSITION | US2007131547 |
| OPPOSITION | US2008248354 |
| OPPOSITION | US2010206748 |
| OPPOSITION | US2010270175 |
| OPPOSITION | US2013059212 |
| OPPOSITION | US2014054171 |
| OPPOSITION | US2015313520 |
| OPPOSITION | US6541216 |
| OPPOSITION | US8262874 |
| OPPOSITION | US8268143 |
| OPPOSITION | US8920628 |
| OPPOSITION | WO0146457 |
| OPPOSITION | WO2010097619 |
| OPPOSITION | WO2015150263 |
| OPPOSITION | WO2015195352 |
| OPPOSITION | WO2016174459 |
| OPPOSITION | WO2017151952 |
| SEARCH | US2007131547 |
| SEARCH | US2011039165 |
| SEARCH | US2013059212 |
| SEARCH | US7520970 |
| SEARCH | US8911908 |
| SEARCH | WO2015150263 |
| SEARCH | WO2015195352 |
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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Nov 14, 2023
Oct 6, 2023
Decision to grant a European patent
Search/Exam
Sep 20, 2023
(Electronic) Receipt
Search/Exam
Sep 20, 2023
Filing of the translations of the claims
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Sep 20, 2023
French translation of claims
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Sep 20, 2023
German translation of the claims
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Sep 20, 2023
Letter accompanying subsequently filed items
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May 15, 2023
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Intention to grant (signatures)
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May 15, 2023
Text intended for grant (clean copy)
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May 15, 2023
Jan 20, 2023
(Electronic) Receipt
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Jan 20, 2023
Amended claims with annotations
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Jan 20, 2023
Amended description with annotations
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Jan 20, 2023
Claims
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Jan 20, 2023
Description
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Jan 20, 2023
Letter accompanying subsequently filed items
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Jan 20, 2023
Nov 28, 2022
Nov 23, 2022
(Electronic) Receipt
Search/Exam
Nov 23, 2022
Letter accompanying subsequently filed items
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Nov 23, 2022
Sep 13, 2022
Annex to the communication
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Sep 13, 2022
Communication from the Examining Division
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Sep 7, 2021
(Electronic) Receipt
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Sep 7, 2021
Letter accompanying subsequently filed items
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Sep 7, 2021
Jul 26, 2021
Jul 20, 2021
(Electronic) Receipt
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Jul 20, 2021
Letter accompanying subsequently filed items
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Jul 20, 2021
Mar 10, 2021
Annex to the communication
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Mar 10, 2021
Communication from the Examining Division
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Feb 23, 2021
Examination started
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Jan 21, 2021
Document concerning representation
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Jan 21, 2021
Document concerning representation
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Jan 21, 2021
Letter accompanying subsequently filed items
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May 7, 2020
(Electronic) Receipt
Search/Exam
May 7, 2020
May 7, 2020
Amended claims with annotations
Search/Exam
May 7, 2020
Amendments received before examination
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May 7, 2020
Letter accompanying subsequently filed items
Search/Exam
Mar 5, 2020
Mar 5, 2020
European search report
Search/Exam
Mar 5, 2020
Information on Search Strategy
Search/Exam
Feb 17, 2020
(Electronic) Receipt
Search/Exam
Feb 17, 2020
Letter accompanying subsequently filed items
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Feb 17, 2020
Letter concerning search matters
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Nov 12, 2019
Oct 24, 2019
Oct 24, 2019
European search opinion
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Oct 24, 2019
Information on Search Strategy
Search/Exam
Oct 24, 2019
Supplementary European search report
Search/Exam
Sep 30, 2019
Search started
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Mar 26, 2019
(Electronic) Receipt
Search/Exam
Mar 26, 2019
Mar 26, 2019
Amended claims with annotations
Search/Exam
Mar 26, 2019
Amendments received before examination
Search/Exam
Mar 26, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 12, 2018
Oct 26, 2018
Oct 24, 2018
Communication to designated inventor
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Oct 24, 2018
Communication to designated inventor
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Oct 4, 2018
(Electronic) Receipt
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Oct 4, 2018
Request for entry into the European phase
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Oct 4, 2018
Submission concerning representation
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Sep 19, 2018
Jul 13, 2018
Information on entry into European phase
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Sep 25, 2017
Sep 8, 2017
Copy of the international search report
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Sep 8, 2017
Published international application - A1
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