The patent EP2834858 was granted to Koninklijke Philips on Sep 27, 2017. The application was originally filed on Apr 3, 2013 under application number EP13722847A. The patent is currently recorded with a legal status of "Opposition Rejected".

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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | US2005135079 |
| INTERNATIONAL-SEARCH-REPORT | US2013001597 |
| INTERNATIONAL-SEARCH-REPORT | WO2011109097 |
| INTERNATIONAL-SEARCH-REPORT | WO2011147521 |
| OPPOSITION | JP2011233269 |
| OPPOSITION | US2005135079 |
| OPPOSITION | US2006066210 |
| OPPOSITION | US2012032578 |
| OPPOSITION | WO2007002234 |
| OPPOSITION | WO2011147521 |
NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.
| Citation Phase | Reference Text |
|---|---|
| OPPOSITION | - "Liquid-crystal", Wikipedia, (20120328), XP055511483 |
Get a free citation report including examiner, opposition, and international search citations.
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Date
Description
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Apr 3, 2020
Apr 3, 2020
Mar 27, 2020
Dec 23, 2019
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Means of redress
OPPO
Dec 16, 2019
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Claims
OPPO
Aug 13, 2019
Claims
OPPO
Aug 13, 2019
Claims
OPPO
Aug 13, 2019
Claims
OPPO
Aug 13, 2019
Claims
OPPO
Aug 13, 2019
Claims
OPPO
Aug 13, 2019
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Jun 27, 2018
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Annexes in respect of a client data request
Search/Exam
Jun 27, 2018
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Jun 11, 2018
Letter to the Legal Division
Search/Exam
May 7, 2018
May 4, 2018
Oct 31, 2017
Annexes in respect of a client data request
Search/Exam
Oct 31, 2017
Annexes in respect of a client data request
Search/Exam
Oct 31, 2017
Oct 5, 2017
Aug 31, 2017
Decision to grant a European patent
Search/Exam
Aug 8, 2017
(Electronic) Receipt
Search/Exam
Aug 8, 2017
French translation of claims
Search/Exam
Aug 8, 2017
German translation of the claims
Search/Exam
Aug 8, 2017
Letter accompanying subsequently filed items
Search/Exam
Jul 25, 2017
Jul 25, 2017
Jul 25, 2017
Intention to grant (signatures)
Search/Exam
Jul 25, 2017
Text intended for grant (clean copy)
Search/Exam
Jul 25, 2017
Jan 31, 2017
(Electronic) Receipt
Search/Exam
Jan 31, 2017
Amended claims with annotations
Search/Exam
Jan 31, 2017
Claims
Search/Exam
Jan 31, 2017
Letter accompanying subsequently filed items
Search/Exam
Jan 31, 2017
Oct 7, 2016
Annex to the communication
Search/Exam
Oct 7, 2016
Communication from the Examining Division
Search/Exam
Sep 30, 2016
Examination started
Search/Exam
Jul 5, 2016
Aug 14, 2015
Aug 13, 2015
Aug 10, 2015
Aug 3, 2015
Aug 3, 2015
Aug 3, 2015
Aug 3, 2015
Jun 12, 2015
CDS Clean up - amended applicant details
Search/Exam
Jan 14, 2015
Nov 12, 2014
Communication to designated inventor
Search/Exam
Nov 12, 2014
Communication to designated inventor
Search/Exam
Oct 22, 2014
Sep 28, 2014
(Electronic) Receipt
Search/Exam
Sep 28, 2014
Sep 28, 2014
Amended claims with annotations
Search/Exam
Sep 28, 2014
Sep 28, 2014
Amendments received before examination
Search/Exam
Sep 28, 2014
Annex
Search/Exam
Sep 28, 2014
Annex
Search/Exam
Sep 28, 2014
Request for entry into the European phase
Search/Exam
Aug 18, 2014
Information on entry into European phase
Search/Exam
Oct 31, 2013
Oct 10, 2013
Copy of the international search report
Search/Exam
Oct 10, 2013
Published international application - A1
Search/Exam
Aug 14, 2013
Aug 14, 2013
Aug 14, 2013
Jul 11, 2013
May 17, 2013
Abstract
PCTISA
May 17, 2013
Claims
PCTISA
May 17, 2013
Description
PCTISA
May 17, 2013
Drawings
PCTISA