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The patent EP3443124 was granted to T Biosystems on Sep 3, 2025. The application was filed on Apr 12, 2017 under application number EP17783057A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

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 |
|---|---|---|---|
| ROTH | May 17, 2023 | KONIG SZYNKA TILMANN VON RENESSE PATENTANWALTE PARTNERSCHAFT MBB DUSSELDORF | ADMISSIBLE |
| BIOMERIEUX | May 16, 2023 | ATOUT PI LAPLACE | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2006160084 |
| DESCRIPTION | US2007190531 |
| DESCRIPTION | US2009042197 |
| DESCRIPTION | US4889818 |
| DESCRIPTION | US5130238 |
| DESCRIPTION | US5192674 |
| DESCRIPTION | US5242818 |
| DESCRIPTION | US5332785 |
| DESCRIPTION | US5405774 |
| DESCRIPTION | US5413926 |
| DESCRIPTION | US5455166 |
| DESCRIPTION | US5457027 |
| DESCRIPTION | US5747298 |
| DESCRIPTION | US5948663 |
| DESCRIPTION | US6033859 |
| DESCRIPTION | US6410278 |
| DESCRIPTION | US6951722 |
| DESCRIPTION | US6974670 |
| DESCRIPTION | US7175985 |
| DESCRIPTION | WO2012054639 |
| INTERNATIONAL-SEARCH-REPORT | US2011294128 |
| INTERNATIONAL-SEARCH-REPORT | US2014295419 |
| INTERNATIONAL-SEARCH-REPORT | US2015354015 |
| OPPOSITION | EP3405479 |
| OPPOSITION | US2002115077 |
| OPPOSITION | US2009155777 |
| OPPOSITION | US2011294128 |
| OPPOSITION | US2013280708 |
| OPPOSITION | US2014295419 |
| OPPOSITION | US4965188 |
| OPPOSITION | US5702884 |
| OPPOSITION | US8409807 |
| OPPOSITION | WO0236813 |
| OPPOSITION | WO03064605 |
| OPPOSITION | WO2012054638 |
| OPPOSITION | WO2012054639 |
| OPPOSITION | WO2013068107 |
| OPPOSITION | WO2013158281 |
| OPPOSITION | WO2014072366 |
| OPPOSITION | WO2017127731 |
| SEARCH | EP0751226 |
| SEARCH | EP2261371 |
| SEARCH | US2002115077 |
| SEARCH | US2009155777 |
| SEARCH | US2009286251 |
| SEARCH | US2013171615 |
| SEARCH | US2013280708 |
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.
Date
Description
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Nov 30, 2022
Document concerning representation
Search/Exam
Aug 30, 2022
Jul 21, 2022
Decision to grant a European patent
Search/Exam
Jul 6, 2022
(Electronic) Receipt
Search/Exam
Jul 6, 2022
Filing of the translations of the claims
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Jul 6, 2022
French translation of claims
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Jul 6, 2022
German translation of the claims
Search/Exam
Feb 28, 2022
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Intention to grant (signatures)
Search/Exam
Feb 28, 2022
Text intended for grant (clean copy)
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Feb 28, 2022
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Oct 28, 2021
Amended claims with annotations
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Oct 28, 2021
Claims
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Oct 28, 2021
Letter accompanying subsequently filed items
Search/Exam
Oct 28, 2021
Aug 24, 2021
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(Electronic) Receipt
Search/Exam
Aug 19, 2021
Letter accompanying subsequently filed items
Search/Exam
Aug 19, 2021
Apr 20, 2021
Annex to the communication
Search/Exam
Apr 20, 2021
Communication from the Examining Division
Search/Exam
Apr 15, 2021
Examination started
Search/Exam
Jan 11, 2021
Decision to allow further processing
Search/Exam
Dec 15, 2020
(Electronic) Receipt
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Dec 15, 2020
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Amended claims with annotations
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Dec 15, 2020
Letter accompanying subsequently filed items
Search/Exam
Dec 15, 2020
Request for further processing
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Oct 8, 2020
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(Electronic) Receipt
Search/Exam
Aug 28, 2020
Letter accompanying subsequently filed items
Search/Exam
Aug 28, 2020
Feb 27, 2020
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European search opinion
Search/Exam
Feb 10, 2020
Information on Search Strategy
Search/Exam
Feb 10, 2020
Supplementary European search report
Search/Exam
Dec 20, 2019
(Electronic) Receipt
Search/Exam
Dec 20, 2019
Letter accompanying subsequently filed items
Search/Exam
Dec 20, 2019
Letter concerning search matters
Search/Exam
Oct 11, 2019
Oct 11, 2019
Information on Search Strategy
Search/Exam
Oct 11, 2019
Partial European search report
Search/Exam
Oct 11, 2019
May 31, 2019
(Electronic) Receipt
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May 31, 2019
May 31, 2019
Amended claims with annotations
Search/Exam
May 31, 2019
Amendments received before examination
Search/Exam
May 31, 2019
Letter accompanying subsequently filed items
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May 22, 2019
Communication to designated inventor
Search/Exam
May 9, 2019
(Electronic) Receipt
Search/Exam
May 9, 2019
Letter accompanying subsequently filed items
Search/Exam
May 9, 2019
Letter concerning the inventor
Search/Exam
Jan 23, 2019
Jan 21, 2019
Dec 28, 2018
Submission concerning representation
Search/Exam
Dec 24, 2018
Letter which had not been notified
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Dec 21, 2018
Submission concerning representation
Search/Exam
Nov 21, 2018
Nov 19, 2018
Communication to designated inventor
Search/Exam
Nov 19, 2018
Communication to designated inventor
Search/Exam
Nov 19, 2018
Communication to designated inventor
Search/Exam
Oct 29, 2018
(Electronic) Receipt
Search/Exam
Oct 29, 2018
Oct 29, 2018
Request for entry into the European phase
Search/Exam
Aug 24, 2018
Information on entry into European phase
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Nov 7, 2017
Oct 19, 2017
Copy of the international search report
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Oct 19, 2017
Published international application - A1
Search/Exam