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The patent EP3730045 was granted to Abbott on Mar 23, 2022. The application was filed on Feb 2, 2010 under application number EP20177712A. The patent is currently recorded with a legal status of "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.
| Company | Opposition Date | Representative | Opposition Status |
|---|---|---|---|
| DEXCOM DEUTSCHLAND | Jun 23, 2023 | HOFFMANN EITLE | INTERVENTION WITHDRAWN |
| GULDE & PARTNER PATENT UND RECHTSANWALTSKANZLEI MBB | Dec 22, 2022 | - | ADMISSIBLE |
| DEXCOM | Dec 22, 2022 | HOFFMANN EITLE | WITHDRAWN |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US19350612495 |
| DESCRIPTION | US19390611496 |
| DESCRIPTION | US19460612386 |
| DESCRIPTION | US19590612381 |
| DESCRIPTION | US19610612384 |
| DESCRIPTION | US19670612279 |
| DESCRIPTION | US19810612385 |
| DESCRIPTION | US19830612384 |
| DESCRIPTION | US19890611558 |
| DESCRIPTION | US19910611558 |
| DESCRIPTION | US19930611558 |
| DESCRIPTION | US19940612384 |
| DESCRIPTION | US19990611654 |
| DESCRIPTION | US20060611630 |
| DESCRIPTION | US20080114359 |
| DESCRIPTION | US20080183602 |
| DESCRIPTION | US20080211014 |
| DESCRIPTION | US20080242780 |
| DESCRIPTION | US20080612475 |
| DESCRIPTION | US20090393921 |
| DESCRIPTION | US20090495709 |
| DESCRIPTION | US20090495712 |
| DESCRIPTION | US20090495730 |
| DESCRIPTION | US20090544061 |
| DESCRIPTION | US20140612475 |
| DESCRIPTION | US20160612475 |
| DESCRIPTION | US20190612475 |
| DESCRIPTION | US20250612569 |
| DESCRIPTION | US2004186365 |
| DESCRIPTION | US2007149873 |
| DESCRIPTION | US2007149875 |
| DESCRIPTION | US2008058625 |
| DESCRIPTION | US2008064937 |
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| DESCRIPTION | US2008179187 |
| DESCRIPTION | US2008319295 |
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| DESCRIPTION | US2009018425 |
| DESCRIPTION | US2009054749 |
| DESCRIPTION | US2009257911 |
| DESCRIPTION | US2009281406 |
| DESCRIPTION | US2009294277 |
| DESCRIPTION | US3320725 |
| DESCRIPTION | US4545382 |
| DESCRIPTION | US4711245 |
| DESCRIPTION | US5262035 |
| DESCRIPTION | US5262305 |
| DESCRIPTION | US5264014 |
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| DESCRIPTION | US5320715 |
| DESCRIPTION | US5356786 |
| DESCRIPTION | US5509410 |
| DESCRIPTION | US5593852 |
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| DESCRIPTION | US6071391 |
| DESCRIPTION | US6103033 |
| DESCRIPTION | US6120676 |
| DESCRIPTION | US6121009 |
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| DESCRIPTION | US6161095 |
| DESCRIPTION | US6175572 |
| DESCRIPTION | US6175752 |
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| DESCRIPTION | US6592745 |
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| DESCRIPTION | US6881551 |
| DESCRIPTION | US6893545 |
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| DESCRIPTION | US6990366 |
| DESCRIPTION | US7041468 |
| DESCRIPTION | US7167818 |
| DESCRIPTION | US7299082 |
| DESCRIPTION | US7620438 |
| OPPOSITION | US2005283114 |
| OPPOSITION | US2006081469 |
| OPPOSITION | US2007038044 |
| OPPOSITION | US2007060801 |
| OPPOSITION | US2007073129 |
| OPPOSITION | US2007173710 |
| OPPOSITION | US2007219480 |
| OPPOSITION | US2008009805 |
| OPPOSITION | US2008097246 |
| OPPOSITION | US2008129486 |
| OPPOSITION | US2008269687 |
| OPPOSITION | US2008275313 |
| OPPOSITION | US2008319414 |
| OPPOSITION | US6159181 |
| OPPOSITION | US6175752 |
| OPPOSITION | US6293925 |
| OPPOSITION | US6560471 |
| OPPOSITION | US6565509 |
| OPPOSITION | US6695860 |
| OPPOSITION | US7344500 |
| OPPOSITION | WO2004006982 |
| OPPOSITION | WO2005046780 |
| OPPOSITION | WO2008065646 |
| OPPOSITION | WO2008073813 |
| OPPOSITION | WO2008114223 |
| OPPOSITION | WO2008115409 |
| OPPOSITION | WO2008157821 |
| OPPOSITION | WO2009007287 |
| OPPOSITION | WO2009035773 |
| OPPOSITION | WO2009039013 |
| SEARCH | US2008300476 |
| SEARCH | US2008319414 |
| SEARCH | WO03026728 |
| SEARCH | WO2006121921 |
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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Decision to grant a European patent
Search/Exam
Feb 2, 2022
(Electronic) Receipt
Search/Exam
Feb 2, 2022
Filing of the translations of the claims
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Feb 2, 2022
French translation of claims
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Feb 2, 2022
German translation of the claims
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Feb 2, 2022
Letter accompanying subsequently filed items
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Jan 25, 2022
Registration under Rule 23 EPC
Search/Exam
Jan 24, 2022
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Intention to grant (signatures)
Search/Exam
Jan 24, 2022
Text intended for grant (clean copy)
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Jan 24, 2022
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Registration under Rule 23 EPC
Search/Exam
Jan 21, 2022
Registration under Rule 23 EPC
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Jan 21, 2022
Registration under Rule 23 EPC
Search/Exam
Jan 21, 2022
Registration under Rule 23 EPC
Search/Exam
Jan 21, 2022
Registration under Rule 23 EPC
Search/Exam
Jan 19, 2022
(Electronic) Receipt
Search/Exam
Jan 19, 2022
Annex
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Jan 19, 2022
Annex
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Annex
Search/Exam
Jan 19, 2022
Annex
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Jan 19, 2022
Annex
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Jan 19, 2022
Letter accompanying subsequently filed items
Search/Exam
Jan 19, 2022
Letter to the Legal Division
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Jan 14, 2022
Annex
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Jan 14, 2022
Annex
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Annex
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Annex
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Annex
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Annex
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Annex
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Jan 14, 2022
Annex
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Jan 14, 2022
Annex
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Jan 14, 2022
Letter to the Legal Division
Search/Exam
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Dec 3, 2021
Nov 1, 2021
(Electronic) Receipt
Search/Exam
Nov 1, 2021
Amended claims with annotations
Search/Exam
Nov 1, 2021
Amended description with annotations
Search/Exam
Nov 1, 2021
Claims
Search/Exam
Nov 1, 2021
Description
Search/Exam
Nov 1, 2021
Letter accompanying subsequently filed items
Search/Exam
Nov 1, 2021
Oct 29, 2021
Annex to the communication
Search/Exam
Oct 29, 2021
Communication from the Examining Division
Search/Exam
Oct 5, 2021
Deficiencies as to Rule 23 EPC
Search/Exam
Oct 5, 2021
Deficiencies as to Rule 23 EPC
Search/Exam
Oct 5, 2021
Deficiencies as to Rule 23 EPC
Search/Exam
Oct 5, 2021
Deficiencies as to Rule 23 EPC
Search/Exam
Oct 5, 2021
Deficiencies as to Rule 23 EPC
Search/Exam
Sep 29, 2021
(Electronic) Receipt
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Sep 29, 2021
Annex
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Sep 29, 2021
Annex
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Sep 29, 2021
Annex
Search/Exam
Sep 29, 2021
Annex
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Sep 29, 2021
Annex
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Sep 29, 2021
Letter accompanying subsequently filed items
Search/Exam
Sep 29, 2021
Letter to the Legal Division
Search/Exam
Aug 31, 2021
(Electronic) Receipt
Search/Exam
Aug 31, 2021
Amended claims with annotations
Search/Exam
Aug 31, 2021
Claims
Search/Exam
Aug 31, 2021
Letter accompanying subsequently filed items
Search/Exam
Aug 31, 2021
Jun 30, 2021
Annex to the communication
Search/Exam
Jun 30, 2021
Communication from the Examining Division
Search/Exam
Jun 22, 2021
Examination started
Search/Exam
Apr 6, 2021
(Electronic) Receipt
Search/Exam
Apr 6, 2021
Apr 6, 2021
Amended claims with annotations
Search/Exam
Apr 6, 2021
Apr 6, 2021
Amended description with annotations
Search/Exam
Apr 6, 2021
Amendments received before examination
Search/Exam
Apr 6, 2021
Letter accompanying subsequently filed items
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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
Search/Exam
Nov 4, 2020
Nov 4, 2020
Nov 4, 2020
Nov 4, 2020
Nov 4, 2020
Nov 4, 2020
Nov 4, 2020
Nov 4, 2020
Nov 2, 2020
Oct 5, 2020
Refund of fees
Search/Exam
Sep 30, 2020
Sep 30, 2020
European search opinion
Search/Exam
Sep 30, 2020
European search report
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Sep 30, 2020
Information on Search Strategy
Search/Exam
Sep 30, 2020
Notification of forthcoming publication
Search/Exam
Sep 17, 2020
Search started
Search/Exam
Sep 9, 2020
Communication to designated inventor
Search/Exam
Sep 4, 2020
(Electronic) Receipt
Search/Exam
Sep 4, 2020
Letter accompanying subsequently filed items
Search/Exam
Sep 4, 2020
Letter concerning the inventor
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Sep 2, 2020
Sep 2, 2020
Refund of fees
Search/Exam
Aug 28, 2020
Letter which had not been notified
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Jul 24, 2020
Communication to designated inventor
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Jul 24, 2020
Communication to designated inventor
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Jul 24, 2020
Communication to designated inventor
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Jul 24, 2020
Communication to designated inventor
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Jul 24, 2020
Communication to designated inventor
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Jun 1, 2020
Abstract
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Jun 1, 2020
Jun 1, 2020
Annex
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Jun 1, 2020
Annex
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Jun 1, 2020
Annex
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Jun 1, 2020
Claims
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Jun 1, 2020
Description
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Jun 1, 2020
Designation of inventor
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Jun 1, 2020
Drawings
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Jun 1, 2020
Matter concerning the application
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Jun 1, 2020
Request for grant of a European patent
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Jun 1, 2020
Submission concerning representation
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Sep 1, 2010
Sep 1, 2010
Sep 1, 2010