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The patent EP3282714 was granted to Blueprint Acoustics on Feb 22, 2023. The application was filed on Oct 22, 2010 under application number EP17193611A. 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 |
|---|---|---|---|
| RENAULT | Nov 22, 2023 | EX MATERIA | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | JPH05199595 |
| OPPOSITION | DE102004020999 |
| OPPOSITION | EP1679936 |
| OPPOSITION | EP2077680 |
| OPPOSITION | EP3282714 |
| OPPOSITION | JP2001112078 |
| OPPOSITION | US2001024508 |
| OPPOSITION | US2006050915 |
| OPPOSITION | US4875546 |
| OPPOSITION | US5010977 |
| OPPOSITION | US5218175 |
| OPPOSITION | US5394478 |
| OPPOSITION | US7103193 |
| OPPOSITION | WO2011047435 |
| SEARCH | EP0904985 |
| SEARCH | US2005111673 |
| SEARCH | US2006050915 |
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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Dec 10, 2025
Dec 5, 2025
(Electronic) Receipt
Appeal
Dec 5, 2025
Dec 5, 2025
Reply to appeal
Appeal
Aug 6, 2025
Jul 31, 2025
(Electronic) Receipt
Appeal
Jul 31, 2025
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Claims
Appeal
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Claims
Appeal
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Claims
Appeal
Jul 31, 2025
Claims
Appeal
Jul 31, 2025
Claims
Appeal
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Apr 28, 2025
(Electronic) Receipt
Appeal
Apr 28, 2025
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Notice of appeal
Appeal
Apr 3, 2025
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Means of redress
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Decision to grant a European patent
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Jan 11, 2023
(Electronic) Receipt
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Jan 11, 2023
Filing of the translations of the claims
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Jan 11, 2023
French translation of claims
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Jan 11, 2023
German translation of the claims
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Jan 11, 2023
Letter accompanying subsequently filed items
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Sep 14, 2022
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Intention to grant (signatures)
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Sep 14, 2022
Text intended for grant (clean copy)
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Sep 14, 2022
Jul 19, 2022
(Electronic) Receipt
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Jul 19, 2022
Amended claims with annotations
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Jul 19, 2022
Claims
Search/Exam
Jul 19, 2022
Letter accompanying subsequently filed items
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Jul 19, 2022
Jun 15, 2022
(Electronic) Receipt
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Jun 15, 2022
Amended claims with annotations
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Jun 15, 2022
Amended claims with annotations
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Jun 15, 2022
Amended claims with annotations
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Jun 15, 2022
Amended claims with annotations
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Jun 15, 2022
Amended claims with annotations
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Amended claims with annotations
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Jun 15, 2022
Amended claims with annotations
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Jun 15, 2022
Amended claims with annotations
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Jun 15, 2022
Claims
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Jun 15, 2022
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Jun 15, 2022
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Jun 15, 2022
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Jun 15, 2022
Letter accompanying subsequently filed items
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Jun 15, 2022
Mar 30, 2022
Annex to a communication
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Mar 30, 2022
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Mar 30, 2022
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Mar 30, 2022
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Mar 30, 2022
Consultation by telephone/in person
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Mar 30, 2022
Jan 24, 2022
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Annex to the communication
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Jan 20, 2022
Summons to attend oral proceedings
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Jan 10, 2022
(Electronic) Receipt
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Jan 10, 2022
Enquiry as to the processing of the file
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Jan 10, 2022
Letter accompanying subsequently filed items
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Mar 9, 2021
(Electronic) Receipt
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Mar 9, 2021
Amended claims with annotations
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Mar 9, 2021
Claims
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Mar 9, 2021
Letter accompanying subsequently filed items
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Mar 9, 2021
Nov 10, 2020
Annex to the communication
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Nov 10, 2020
Communication from the Examining Division
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Dec 19, 2019
(Electronic) Receipt
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Dec 19, 2019
Letter accompanying subsequently filed items
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Dec 19, 2019
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Aug 29, 2019
Annex to the communication
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Aug 29, 2019
Communication from the Examining Division
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Aug 19, 2019
Examination started
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Nov 28, 2018
Submission concerning representation
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Sep 12, 2018
(Electronic) Receipt
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Sep 12, 2018
Letter accompanying subsequently filed items
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Sep 12, 2018
Aug 30, 2018
Aug 9, 2018
(Electronic) Receipt
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Aug 9, 2018
Letter accompanying subsequently filed items
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Aug 9, 2018
Letter concerning fees and payments
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Jul 2, 2018
(Electronic) Receipt
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Jul 2, 2018
Jul 2, 2018
Amended description with annotations
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Jul 2, 2018
Amendments received before examination
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Jul 2, 2018
Letter accompanying subsequently filed items
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Feb 19, 2018
Jan 24, 2018
Refund of fees
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Jan 17, 2018
Jan 17, 2018
European search opinion
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Jan 17, 2018
European search report
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Jan 17, 2018
Information on Search Strategy
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Jan 17, 2018
Notification of forthcoming publication
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Jan 3, 2018
Search started
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Nov 21, 2017
Communication to designated inventor
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Sep 28, 2017
Abstract
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Sep 28, 2017
Sep 28, 2017
Claims
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Sep 28, 2017
Description
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Sep 28, 2017
Designation of inventor
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Sep 28, 2017
Drawings
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Sep 28, 2017
Request for grant of a European patent
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May 20, 2011