The patent EP1966738 was granted to Koninklijke Philips on Mar 7, 2018. The application was originally filed on Dec 5, 2006 under application number EP06832089A. 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.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number | 
|---|---|
| EXAMINATION | US2004212480 | 
| EXAMINATION | WO9852142 | 
| INTERNATIONAL-SEARCH-REPORT | EP1017005 | 
| INTERNATIONAL-SEARCH-REPORT | US2005061875 | 
| INTERNATIONAL-SEARCH-REPORT | WO03098851 | 
| OPPOSITION | EP1017005 | 
| OPPOSITION | US2003093693 | 
| OPPOSITION | US2004212480 | 
| OPPOSITION | US2004246103 | 
| OPPOSITION | US2005061875 | 
| OPPOSITION | US2005099268 | 
| OPPOSITION | US2005237270 | 
| OPPOSITION | US5719387 | 
| OPPOSITION | US5763862 | 
| OPPOSITION | WO0221429 | 
| OPPOSITION | WO03098851 | 
| OPPOSITION | WO9852142 | 
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Date
Description
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Means of redress
OPPO
Jan 10, 2022
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Oct 28, 2021
Document concerning representation
Search/Exam
Oct 28, 2021
Letter accompanying subsequently filed items
Search/Exam
Sep 17, 2021
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Sep 14, 2021
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Annex
OPPO
Dec 23, 2020
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Mar 19, 2018
Feb 8, 2018
Decision to grant a European patent
Search/Exam
Jan 19, 2018
(Electronic) Receipt
Search/Exam
Jan 19, 2018
French translation of claims
Search/Exam
Jan 19, 2018
German translation of the claims
Search/Exam
Jan 19, 2018
Letter accompanying subsequently filed items
Search/Exam
Sep 20, 2017
Sep 20, 2017
Sep 20, 2017
Intention to grant (signatures)
Search/Exam
Sep 20, 2017
Text intended for grant (clean copy)
Search/Exam
Sep 20, 2017
May 26, 2017
(Electronic) Receipt
Search/Exam
May 26, 2017
Amended claims with annotations
Search/Exam
May 26, 2017
Amended description with annotations
Search/Exam
May 26, 2017
Claims
Search/Exam
May 26, 2017
Description
Search/Exam
May 26, 2017
Letter accompanying subsequently filed items
Search/Exam
May 26, 2017
Jan 16, 2017
Annex to a communication
Search/Exam
Jan 16, 2017
Annex to a communication
Search/Exam
Jan 16, 2017
Annex to the communication
Search/Exam
Jan 16, 2017
Communication from the Examining Division
Search/Exam
Sep 26, 2016
Dec 7, 2015
Dec 3, 2015
Submission concerning representation
Search/Exam
Nov 14, 2013
Submission concerning representation
Search/Exam
Aug 22, 2013
Aug 14, 2013
Annexes in respect of a client data request
Search/Exam
Aug 13, 2013
Aug 13, 2008
Aug 8, 2008
Aug 4, 2008
Communication to designated inventor
Search/Exam
Aug 4, 2008
Communication to designated inventor
Search/Exam
Jul 7, 2008
May 13, 2008
(Electronic) Receipt
Search/Exam
May 13, 2008
May 13, 2008
Amendments received before examination
Search/Exam
May 13, 2008
Request for entry into the European phase
Search/Exam
May 7, 2008
Information on entry into European phase
Search/Exam
Oct 11, 2007
Copy of the international search report
Search/Exam
Oct 11, 2007
Jul 16, 2007
Jun 28, 2007
Jun 28, 2007
Published international application - A2
Search/Exam
Mar 6, 2007
Abstract
PCTISA
Mar 6, 2007
Claims
PCTISA
Mar 6, 2007
Description
PCTISA
Mar 6, 2007
Drawings
PCTISA