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The patent EP2979267 was granted to Dolby Laboratories Licensing on Dec 18, 2019. The application was filed on Mar 25, 2014 under application number EP14719176A. 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 | Sep 18, 2020 | 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 | US2009097676 |
| DESCRIPTION | WO2007127023 |
| DESCRIPTION | WO2008106036 |
| DESCRIPTION | WO2009011827 |
| INTERNATIONAL-SEARCH-REPORT | US2008167863 |
| INTERNATIONAL-SEARCH-REPORT | US2009281800 |
| INTERNATIONAL-SEARCH-REPORT | US2010158261 |
| INTERNATIONAL-SEARCH-REPORT | US5806025 |
| OPPOSITION | CN101529929 |
| OPPOSITION | EP0976303 |
| OPPOSITION | EP1258865 |
| OPPOSITION | EP1522206 |
| OPPOSITION | EP1543673 |
| OPPOSITION | EP1691573 |
| OPPOSITION | EP1750483 |
| OPPOSITION | EP2541961 |
| OPPOSITION | GB2491000 |
| OPPOSITION | US2001044719 |
| OPPOSITION | US2003231775 |
| OPPOSITION | US2006245596 |
| OPPOSITION | US2008162121 |
| OPPOSITION | US2008167863 |
| OPPOSITION | US2009281800 |
| OPPOSITION | US2010138223 |
| OPPOSITION | US2010158261 |
| OPPOSITION | US2010179808 |
| OPPOSITION | US2010202631 |
| OPPOSITION | US2012143363 |
| OPPOSITION | US3150739 |
| OPPOSITION | US4887299 |
| OPPOSITION | US5459813 |
| OPPOSITION | US5806025 |
| OPPOSITION | US8195454 |
| OPPOSITION | WO0176321 |
| OPPOSITION | WO2004114722 |
| OPPOSITION | WO2005038774 |
| OPPOSITION | WO2005106843 |
| OPPOSITION | WO2006056910 |
| OPPOSITION | WO2007110073 |
| OPPOSITION | WO2008028484 |
| OPPOSITION | WO2008106036 |
| OPPOSITION | WO2009138936 |
| OPPOSITION | WO2011031273 |
| OPPOSITION | WO2011044064 |
| OPPOSITION | WO2011044153 |
| OPPOSITION | WO2012075246 |
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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Description
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(Electronic) Receipt
Appeal
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Appeal
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Appeal
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(Electronic) Receipt
Appeal
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Appeal
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Notice of appeal
Appeal
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Decision to grant a European patent
Search/Exam
Nov 7, 2019
(Electronic) Receipt
Search/Exam
Nov 7, 2019
Filing of the translations of the claims
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Nov 7, 2019
French translation of claims
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Nov 7, 2019
German translation of the claims
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Nov 7, 2019
Letter accompanying subsequently filed items
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Intention to grant (signatures)
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(Electronic) Receipt
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Jul 18, 2019
Amended claims with annotations
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Claims
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Jul 18, 2019
Letter accompanying subsequently filed items
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Jul 18, 2019
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Intention to grant (signatures)
Search/Exam
Mar 21, 2019
Text intended for grant (clean copy)
Search/Exam
Mar 21, 2019
Feb 6, 2019
Examination started
Search/Exam
Oct 6, 2016
Sep 27, 2016
Letter accompanying subsequently filed items
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Sep 27, 2016
Aug 30, 2016
Letter accompanying subsequently filed items
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(Electronic) Receipt
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Letter accompanying subsequently filed items
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(Electronic) Receipt
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Amended claims with annotations
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Amendments received before examination
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May 17, 2016
Letter accompanying subsequently filed items
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Apr 20, 2016
Refund of fees
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Jan 7, 2016
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Communication to designated inventor
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Communication to designated inventor
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Nov 3, 2015
Communication to designated inventor
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Oct 13, 2015
Sep 17, 2015
(Electronic) Receipt
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Sep 17, 2015
Request for entry into the European phase
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Aug 7, 2015
Information on entry into European phase
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Mar 5, 2015
Copy of the international search report
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Mar 5, 2015
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Published international application - A2
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Jun 2, 2014
Annex
PCTISA
Apr 22, 2014
Abstract
PCTISA
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Annex
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Apr 22, 2014
Claims
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Apr 22, 2014
Description
PCTISA
Apr 22, 2014
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PCTISA
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