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The patent EP3709026 was granted to Douglas Scientific on Jul 17, 2024. The application was filed on Jul 28, 2015 under application number EP20173320A. 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 |
|---|---|---|---|
| CR BIOSCIENCE | Apr 17, 2025 | SCHLICH | ADMISSIBLE |
| HC SCIENTIFIC CHENGDU | Apr 17, 2025 | SNODIN | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2014179584 |
| OPPOSITION | EP1379332 |
| OPPOSITION | JP2008170332 |
| OPPOSITION | KR20100052816 |
| OPPOSITION | US2004071599 |
| OPPOSITION | US2006093530 |
| OPPOSITION | US2007053798 |
| OPPOSITION | US2009176661 |
| OPPOSITION | US2012132676 |
| OPPOSITION | US2013280145 |
| OPPOSITION | US3990312 |
| OPPOSITION | US5741554 |
| OPPOSITION | US5743960 |
| OPPOSITION | US6495369 |
| OPPOSITION | US6537505 |
| OPPOSITION | US6632653 |
| OPPOSITION | US7025933 |
| OPPOSITION | US7135146 |
| OPPOSITION | WO0026657 |
| OPPOSITION | WO2014110494 |
| SEARCH | DE3805808 |
| SEARCH | JP2008170332 |
| SEARCH | US2006093530 |
| SEARCH | US7025933 |
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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Jul 30, 2024
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Refund of fees
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Jun 20, 2024
Decision to grant a European patent
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Jun 7, 2024
(Electronic) Receipt
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Jun 7, 2024
Filing of the translations of the claims
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Jun 7, 2024
French translation of claims
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Jun 7, 2024
German translation of the claims
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Feb 7, 2024
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Intention to grant (signatures)
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Feb 7, 2024
Text intended for grant (clean copy)
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Feb 7, 2024
Mar 24, 2023
(Electronic) Receipt
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Mar 24, 2023
Amended claims with annotations
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Mar 24, 2023
Amended description with annotations
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Mar 24, 2023
Claims
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Mar 24, 2023
Description
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Mar 24, 2023
Letter accompanying subsequently filed items
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Mar 24, 2023
Feb 15, 2023
Annex to the communication
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Feb 15, 2023
Communication from the Examining Division
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Jan 16, 2023
Jan 9, 2023
(Electronic) Receipt
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Jan 9, 2023
Annexes in respect of a client data request
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Jan 9, 2023
Letter accompanying subsequently filed items
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Jan 9, 2023
Dec 20, 2022
Document concerning representation
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Feb 25, 2022
(Electronic) Receipt
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Feb 25, 2022
Amended claims with annotations
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Feb 25, 2022
Amended description with annotations
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Feb 25, 2022
Claims
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Feb 25, 2022
Description
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Feb 25, 2022
Letter accompanying subsequently filed items
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Feb 25, 2022
Dec 16, 2021
Dec 13, 2021
(Electronic) Receipt
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Dec 13, 2021
Letter accompanying subsequently filed items
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Dec 13, 2021
Sep 6, 2021
Aug 17, 2021
Annex to the communication
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Aug 17, 2021
Communication from the Examining Division
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Aug 4, 2021
Examination started
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Oct 28, 2020
(Electronic) Receipt
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Oct 28, 2020
Oct 28, 2020
Amended claims with annotations
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Oct 28, 2020
Oct 28, 2020
Amended description with annotations
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Oct 28, 2020
Amendments received before examination
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Oct 28, 2020
Letter accompanying subsequently filed items
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Sep 21, 2020
Aug 19, 2020
Communication to designated inventor
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Aug 19, 2020
Communication to designated inventor
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Aug 19, 2020
Communication to designated inventor
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Aug 19, 2020
Notification of forthcoming publication
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Aug 18, 2020
Change to the inventor details
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Aug 12, 2020
(Electronic) Receipt
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Aug 12, 2020
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Letter accompanying subsequently filed items
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Aug 12, 2020
Letter concerning the inventor
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Aug 11, 2020
Letter which had not been notified
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Aug 7, 2020
Letter which had not been notified
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Aug 6, 2020
Letter which had not been notified
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Aug 6, 2020
Letter which had not been notified
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Jul 22, 2020
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European search opinion
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Jul 22, 2020
European search report
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Jul 22, 2020
Information on Search Strategy
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Jul 13, 2020
Search started
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Jun 29, 2020
Communication to designated inventor
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Jun 29, 2020
Communication to designated inventor
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Jun 29, 2020
Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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Communication to designated inventor
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May 6, 2020
Abstract
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May 6, 2020
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Claims
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May 6, 2020
Description
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May 6, 2020
Designation of inventor
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May 6, 2020
Drawings
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May 6, 2020
Matter concerning the application
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May 6, 2020
Request for grant of a European patent
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