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The patent EP3238749 was granted to D Matrix on Jun 4, 2025. The application was filed on Oct 6, 2009 under application number EP17152928A. 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 |
|---|---|---|---|
| POTTER CLARKSON | Jun 18, 2019 | POTTER CLARKSON | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | WO2006116524 |
| OPPOSITION | US2008032934 |
| OPPOSITION | WO2006116524 |
| OPPOSITION | WO2008039483 |
| OPPOSITION | WO2010041636 |
| SEARCH | US2008032934 |
| SEARCH | WO2008039483 |
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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May 9, 2025
May 9, 2025
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Refund of fees
Appeal
Dec 23, 2024
Dec 23, 2024
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Feb 21, 2024
Feb 20, 2024
Feb 13, 2024
Feb 8, 2024
(Electronic) Receipt
Appeal
Feb 8, 2024
Feb 8, 2024
Jan 29, 2024
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(Electronic) Receipt
Appeal
Jan 24, 2024
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Jan 15, 2024
(Electronic) Receipt
Appeal
Jan 15, 2024
Jan 15, 2024
Sep 21, 2023
Advice of delivery
Appeal
Sep 21, 2023
Sep 21, 2023
Sep 20, 2023
Sep 15, 2023
(Electronic) Receipt
Appeal
Sep 15, 2023
Sep 15, 2023
Sep 5, 2023
Sep 4, 2023
(Electronic) Receipt
Appeal
Sep 4, 2023
Sep 4, 2023
Aug 1, 2023
Advice of delivery
Appeal
Aug 1, 2023
Aug 1, 2023
Jul 27, 2023
Feb 21, 2023
Feb 15, 2023
Feb 14, 2023
Feb 7, 2023
(Electronic) Receipt
Search/Exam
Feb 7, 2023
Letter accompanying subsequently filed items
Search/Exam
Feb 7, 2023
Request for correction of client data
Search/Exam
Dec 20, 2022
Apr 8, 2022
Apr 5, 2022
(Electronic) Receipt
Appeal
Apr 5, 2022
Apr 5, 2022
Reply to appeal
Appeal
Apr 5, 2022
Reply to appeal
Appeal
Nov 25, 2021
Nov 22, 2021
(Electronic) Receipt
Appeal
Nov 22, 2021
Nov 22, 2021
Nov 22, 2021
Nov 22, 2021
Sep 21, 2021
Sep 21, 2021
Sep 9, 2021
(Electronic) Receipt
Appeal
Sep 9, 2021
(Electronic) Receipt
Appeal
Sep 9, 2021
Sep 9, 2021
Notice of appeal
Appeal
Aug 2, 2021
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Means of redress
OPPO
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Oct 1, 2018
Aug 23, 2018
Decision to grant a European patent
Search/Exam
Jul 30, 2018
(Electronic) Receipt
Search/Exam
Jul 30, 2018
Filing of the translations of the claims
Search/Exam
Jul 30, 2018
French translation of claims
Search/Exam
Jul 30, 2018
German translation of the claims
Search/Exam
Jul 30, 2018
Letter accompanying subsequently filed items
Search/Exam
Mar 28, 2018
Mar 28, 2018
Mar 28, 2018
Intention to grant (signatures)
Search/Exam
Mar 28, 2018
Text intended for grant (clean copy)
Search/Exam
Mar 28, 2018
Text intended for grant (sequence listing)
Search/Exam
Mar 28, 2018
Mar 1, 2018
Examination started
Search/Exam
Dec 22, 2017
(Electronic) Receipt
Search/Exam
Dec 22, 2017
Dec 22, 2017
Amended claims with annotations
Search/Exam
Dec 22, 2017
Dec 22, 2017
Amended description with annotations
Search/Exam
Dec 22, 2017
Amendments received before examination
Search/Exam
Dec 22, 2017
Letter accompanying subsequently filed items
Search/Exam
Nov 15, 2017
Refund of fees
Search/Exam
Nov 6, 2017
Oct 5, 2017
Notification of forthcoming publication
Search/Exam
Sep 26, 2017
Sep 26, 2017
European search opinion
Search/Exam
Sep 26, 2017
European search report
Search/Exam
Sep 26, 2017
Information on Search Strategy
Search/Exam
Sep 12, 2017
Search started
Search/Exam
Aug 18, 2017
Jul 31, 2017
Letter which had not been notified
Search/Exam
May 22, 2017
(Electronic) Receipt
Search/Exam
May 22, 2017
Claims
Search/Exam
May 22, 2017
Letter accompanying subsequently filed items
Search/Exam
May 22, 2017
Matter concerning the application
Search/Exam
Apr 20, 2017
Communication to designated inventor
Search/Exam
Apr 20, 2017
Communication to designated inventor
Search/Exam
Apr 20, 2017
Communication to designated inventor
Search/Exam
Mar 15, 2017
Invitation to file claims
Search/Exam
Jan 24, 2017
Abstract
Search/Exam
Jan 24, 2017
Jan 24, 2017
Description
Search/Exam
Jan 24, 2017
Designation of inventor
Search/Exam
Jan 24, 2017
Drawings
Search/Exam
Jan 24, 2017
Request for grant of a European patent
Search/Exam
Jan 24, 2017
Sequence listing
Search/Exam
Apr 18, 2011
Converted Sequence Listing
Search/Exam
May 6, 2010
May 6, 2010