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The patent EP3586523 was granted to Bose on Mar 9, 2022. The application was filed on Jan 12, 2018 under application number EP18701656A. 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 |
|---|---|---|---|
| KS HIMPP | Dec 9, 2022 | MEISSNER BOLTE PARTNERSCHAFT MBB | ADMISSIBLE |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US9560451 |
| INTERNATIONAL-SEARCH-REPORT | EP2613566 |
| INTERNATIONAL-SEARCH-REPORT | US2010246847 |
| INTERNATIONAL-SEARCH-REPORT | US2013121494 |
| OPPOSITION | DE3742529 |
| OPPOSITION | EP2613566 |
| OPPOSITION | US2007019817 |
| OPPOSITION | US2007036377 |
| OPPOSITION | US2010166198 |
| OPPOSITION | US2010246836 |
| OPPOSITION | US2010246847 |
| OPPOSITION | US2010322430 |
| OPPOSITION | US2012207319 |
| OPPOSITION | US2013121494 |
| OPPOSITION | US2013170660 |
| OPPOSITION | US2014037099 |
| OPPOSITION | US2014037101 |
| OPPOSITION | US2015010158 |
| OPPOSITION | US2015063587 |
| OPPOSITION | US2015078572 |
| OPPOSITION | US2015161981 |
| OPPOSITION | US2015310846 |
| OPPOSITION | US2016150335 |
| OPPOSITION | US2016183012 |
| OPPOSITION | US2016309266 |
| OPPOSITION | US4955729 |
| OPPOSITION | US5584869 |
| OPPOSITION | US9578432 |
| OPPOSITION | WO0028784 |
| OPPOSITION | WO2007045271 |
| OPPOSITION | WO2010014561 |
| OPPOSITION | WO2010049543 |
| OPPOSITION | WO2012107100 |
| OPPOSITION | WO2014032726 |
| OPPOSITION | WO2015028617 |
| OPPOSITION | WO2016202405 |
| OPPOSITION | WO2018085025 |
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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Jan 13, 2026
Jan 8, 2026
(Electronic) Receipt
Appeal
Jan 8, 2026
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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Reply to appeal
Appeal
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(Electronic) Receipt
Appeal
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Appeal
Apr 19, 2024
Notice of appeal
Appeal
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Notice of appeal
Appeal
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Mar 22, 2022
Feb 10, 2022
Decision to grant a European patent
Search/Exam
Dec 7, 2021
(Electronic) Receipt
Search/Exam
Dec 7, 2021
Filing of the translations of the claims
Search/Exam
Dec 7, 2021
French translation of claims
Search/Exam
Dec 7, 2021
German translation of the claims
Search/Exam
Dec 7, 2021
Letter accompanying subsequently filed items
Search/Exam
Sep 29, 2021
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Intention to grant (signatures)
Search/Exam
Sep 29, 2021
Text intended for grant (clean copy)
Search/Exam
Sep 29, 2021
Aug 23, 2021
Examination started
Search/Exam
Feb 17, 2020
(Electronic) Receipt
Search/Exam
Feb 17, 2020
Letter accompanying subsequently filed items
Search/Exam
Feb 17, 2020
Letter concerning the inventor
Search/Exam
Feb 5, 2020
Jan 30, 2020
Letter which had not been notified
Search/Exam
Jan 27, 2020
(Electronic) Receipt
Search/Exam
Jan 27, 2020
Jan 27, 2020
Amended claims with annotations
Search/Exam
Jan 27, 2020
Amendments received before examination
Search/Exam
Jan 27, 2020
Letter accompanying subsequently filed items
Search/Exam
Jan 7, 2020
Communication to designated inventor
Search/Exam
Jan 7, 2020
Communication to designated inventor
Search/Exam
Dec 18, 2019
Letter concerning the inventor
Search/Exam
Dec 11, 2019
Dec 4, 2019
Letter which had not been notified
Search/Exam
Dec 4, 2019
Nov 15, 2019
Nov 8, 2019
Letter which had not been notified
Search/Exam
Oct 1, 2019
Sep 27, 2019
Communication to designated inventor
Search/Exam
Sep 27, 2019
Communication to designated inventor
Search/Exam
Sep 27, 2019
Communication to designated inventor
Search/Exam
Sep 27, 2019
Communication to designated inventor
Search/Exam
Sep 10, 2019
Aug 26, 2019
(Electronic) Receipt
Search/Exam
Aug 26, 2019
Aug 26, 2019
Amended claims with annotations
Search/Exam
Aug 26, 2019
Request for entry into the European phase
Search/Exam
Jul 5, 2019
Information on entry into European phase
Search/Exam
Sep 19, 2018
Sep 19, 2018
Aug 30, 2018
Copy of the international search report
Search/Exam
Aug 30, 2018
Published international application - A1
Search/Exam
Jun 6, 2018
ISR: cited documents
PCTISA
Jun 4, 2018
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Apr 13, 2018
Apr 13, 2018
Mar 1, 2018
Annex
PCTISA
Mar 1, 2018
Mar 1, 2018
Feb 9, 2018
Jan 29, 2018
Abstract
PCTISA
Jan 29, 2018
Annex
PCTISA
Jan 29, 2018
Claims
PCTISA
Jan 29, 2018
Description
PCTISA
Jan 29, 2018
Drawings
PCTISA
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