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The patent EP3149730 was granted to Dolby Laboratories Licensing on Jun 26, 2019. The application was filed on May 22, 2015 under application number EP15727222A. The patent is currently recorded with a legal status of "Revoked".

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 | Mar 26, 2020 | BETTEN & RESCH | - |
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| INTERNATIONAL-SEARCH-REPORT | US2009304215 |
| INTERNATIONAL-SEARCH-REPORT | US2011054887 |
| INTERNATIONAL-SEARCH-REPORT | US2012123770 |
| INTERNATIONAL-SEARCH-REPORT | US7010133 |
| OPPOSITION | US2009304215 |
| OPPOSITION | US2011054887 |
| OPPOSITION | US2012123770 |
| OPPOSITION | US2013262101 |
| OPPOSITION | US6760435 |
| OPPOSITION | US7010133 |
| OPPOSITION | US8296136 |
| OPPOSITION | WO2004002028 |
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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Mar 14, 2025
Mar 14, 2025
Mar 14, 2025
Feb 14, 2025
Feb 14, 2025
Feb 14, 2025
Jan 15, 2025
Jan 10, 2025
(Electronic) Receipt
Appeal
Jan 10, 2025
Jan 10, 2025
Aug 1, 2024
Aug 1, 2024
Aug 1, 2024
Jul 29, 2024
Dec 4, 2023
Dec 4, 2023
Sep 20, 2023
Sep 15, 2023
(Electronic) Receipt
Appeal
Sep 15, 2023
Sep 15, 2023
May 15, 2023
Apr 27, 2023
(Electronic) Receipt
Appeal
Apr 27, 2023
Apr 27, 2023
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Apr 27, 2023
Reply to appeal
Appeal
Dec 19, 2022
Dec 13, 2022
(Electronic) Receipt
Appeal
Dec 13, 2022
Dec 13, 2022
Oct 12, 2022
Oct 12, 2022
Oct 4, 2022
Sep 30, 2022
(Electronic) Receipt
Appeal
Sep 30, 2022
Sep 30, 2022
Notice of appeal
Appeal
Sep 14, 2022
Sep 9, 2022
Aug 25, 2022
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Means of redress
OPPO
Aug 3, 2022
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Jul 8, 2019
May 31, 2019
Decision to grant a European patent
Search/Exam
May 14, 2019
May 7, 2019
May 7, 2019
May 7, 2019
Intention to grant (signatures)
Search/Exam
May 7, 2019
Text intended for grant (clean copy)
Search/Exam
May 7, 2019
Mar 26, 2019
(Electronic) Receipt
Search/Exam
Mar 26, 2019
Amended claims with annotations
Search/Exam
Mar 26, 2019
Claims
Search/Exam
Mar 26, 2019
French translation of claims
Search/Exam
Mar 26, 2019
German translation of the claims
Search/Exam
Mar 26, 2019
Letter accompanying subsequently filed items
Search/Exam
Mar 26, 2019
Nov 27, 2018
Nov 27, 2018
Nov 27, 2018
Intention to grant (signatures)
Search/Exam
Nov 27, 2018
Text intended for grant (clean copy)
Search/Exam
Nov 27, 2018
Nov 16, 2018
Oct 26, 2018
(Electronic) Receipt
Search/Exam
Oct 26, 2018
Amended description with annotations
Search/Exam
Oct 26, 2018
Description
Search/Exam
Oct 26, 2018
Letter accompanying subsequently filed items
Search/Exam
Oct 26, 2018
Jul 6, 2018
Jul 3, 2018
(Electronic) Receipt
Search/Exam
Jul 3, 2018
Letter accompanying subsequently filed items
Search/Exam
Jul 3, 2018
Jun 5, 2018
Annex to the communication
Search/Exam
Jun 5, 2018
Communication from the Examining Division
Search/Exam
May 28, 2018
Examination started
Search/Exam
Oct 2, 2017
(Electronic) Receipt
Search/Exam
Oct 2, 2017
Letter accompanying subsequently filed items
Search/Exam
Oct 2, 2017
Sep 5, 2017
Jul 12, 2017
(Electronic) Receipt
Search/Exam
Jul 12, 2017
Jul 12, 2017
Amended claims with annotations
Search/Exam
Jul 12, 2017
Amendments received before examination
Search/Exam
Jul 12, 2017
Letter accompanying subsequently filed items
Search/Exam
Mar 8, 2017
Jan 20, 2017
Jan 18, 2017
Communication to designated inventor
Search/Exam
Jan 18, 2017
Communication to designated inventor
Search/Exam
Jan 18, 2017
Communication to designated inventor
Search/Exam
Dec 12, 2016
Nov 21, 2016
(Electronic) Receipt
Search/Exam
Nov 21, 2016
Request for entry into the European phase
Search/Exam
Nov 17, 2016
Nov 17, 2016
Nov 17, 2016
Notification of the recording of a change
Search/Exam
Nov 17, 2016
Notification of the recording of a change
Search/Exam
Oct 7, 2016
Information on entry into European phase
Search/Exam
Apr 12, 2016
Apr 12, 2016
Apr 12, 2016
Notification of the recording of a change
Search/Exam
Apr 12, 2016
Notification of the recording of a change
Search/Exam
Jan 21, 2016
Copy of the international search report
Search/Exam
Jan 21, 2016
Dec 23, 2015
Dec 23, 2015
Dec 3, 2015
Published international application - A2
Search/Exam
Nov 26, 2015
ISR: cited documents
PCTISA
Nov 25, 2015
Nov 25, 2015
Nov 25, 2015
Sep 11, 2015
(Electronic) Receipt
PCTISA
Sep 11, 2015
Sep 11, 2015
Sep 11, 2015
Aug 19, 2015
Jun 8, 2015
Abstract
PCTISA
Jun 8, 2015
Annex
PCTISA
Jun 8, 2015
Claims
PCTISA
Jun 8, 2015
Description
PCTISA
Jun 8, 2015
Drawings
PCTISA
Jun 8, 2015