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Extract from the Register of European Patents

EP About this file: EP1438877

EP1438877 - PWM CONTROL OF LED BASED ARRAYS [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  16.03.2007
Database last updated on 06.07.2024
Most recent event   Tooltip12.12.2008Lapse of the patent in a contracting state
New state(s): CY
published on 14.01.2009  [2009/03]
Applicant(s)For all designated states
Koninklijke Philips Electronics N.V.
Groenewoudseweg 1
5621 BA Eindhoven / NL
[N/P]
Former [2006/19]For all designated states
Koninklijke Philips Electronics N.V.
Groenewoudseweg 1
5621 BA Eindhoven / NL
Former [2004/30]For all designated states
Koninklijke Philips Electronics N.V.
Groenewoudseweg 1
5621 BA Eindhoven / NL
Inventor(s)01 / MUTHU, Subramanian
Prof. Holstlaan 6
NL-5656 AA Eindhoven / NL
02 / SCHUURMANS, Frank, J., P.
Prof. Holstlaan 6
NL-5656 AA Eindhoven / NL
 [2004/30]
Representative(s)Dusseldorp, Jan Charles, et al
Philips Intellectual Property & Standards P.O. Box 220
5600 AE Eindhoven / NL
[N/P]
Former [2004/30]Dusseldorp, Jan Charles, et al
Philips Intellectual Property & Standards P.O. Box 220
5600 AE Eindhoven / NL
Application number, filing date02800685.630.09.2002
[2004/30]
WO2002IB04027
Priority number, dateUS2001097211105.10.2001         Original published format: US 972111
[2004/30]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO03032689
Date:17.04.2003
Language:EN
[2003/16]
Type: A1 Application with search report 
No.:EP1438877
Date:21.07.2004
Language:EN
The application published by WIPO in one of the EPO official languages on 17.04.2003 takes the place of the publication of the European patent application.
[2004/30]
Type: B1 Patent specification 
No.:EP1438877
Date:10.05.2006
Language:EN
[2006/19]
Search report(s)International search report - published on:EP17.04.2003
ClassificationIPC:H05B33/08
[2004/30]
CPC:
H05B45/22 (EP,US); H05B45/28 (EP,US)
Designated contracting statesAT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   IE,   IT,   LI,   LU,   MC,   NL,   PT,   SE,   SK,   TR [2004/30]
Extension statesALNot yet paid
LTNot yet paid
LVNot yet paid
MKNot yet paid
RONot yet paid
SINot yet paid
TitleGerman:PWM-STEUERUNG VON ARRAYS AUF LED-BASIS[2004/30]
English:PWM CONTROL OF LED BASED ARRAYS[2004/30]
French:COMMANDE PWM D'ENSEMBLES A LED[2004/30]
Entry into regional phase06.05.2004National basic fee paid 
06.05.2004Designation fee(s) paid 
06.05.2004Examination fee paid 
Examination procedure06.05.2004Examination requested  [2004/30]
02.11.2005Communication of intention to grant the patent
13.03.2006Fee for grant paid
13.03.2006Fee for publishing/printing paid
Opposition(s)13.02.2007No opposition filed within time limit [2007/16]
Fees paidRenewal fee
30.09.2004Renewal fee patent year 03
30.09.2005Renewal fee patent year 04
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competence of the Unified
Patent Court
See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition  TooltipAT10.05.2006
BE10.05.2006
CH10.05.2006
CY10.05.2006
CZ10.05.2006
EE10.05.2006
FI10.05.2006
IT10.05.2006
LI10.05.2006
NL10.05.2006
SK10.05.2006
TR10.05.2006
BG10.08.2006
DK10.08.2006
SE10.08.2006
GR11.08.2006
ES21.08.2006
LU30.09.2006
MC30.09.2006
IE02.10.2006
PT10.10.2006
[2009/03]
Former [2008/37]AT10.05.2006
BE10.05.2006
CH10.05.2006
CZ10.05.2006
EE10.05.2006
FI10.05.2006
IT10.05.2006
LI10.05.2006
NL10.05.2006
SK10.05.2006
TR10.05.2006
BG10.08.2006
DK10.08.2006
SE10.08.2006
GR11.08.2006
ES21.08.2006
LU30.09.2006
MC30.09.2006
IE02.10.2006
PT10.10.2006
Former [2008/31]AT10.05.2006
BE10.05.2006
CH10.05.2006
CZ10.05.2006
EE10.05.2006
FI10.05.2006
IT10.05.2006
LI10.05.2006
NL10.05.2006
SK10.05.2006
BG10.08.2006
DK10.08.2006
SE10.08.2006
GR11.08.2006
ES21.08.2006
MC30.09.2006
IE02.10.2006
PT10.10.2006
Former [2008/28]AT10.05.2006
BE10.05.2006
CH10.05.2006
CZ10.05.2006
EE10.05.2006
FI10.05.2006
IT10.05.2006
LI10.05.2006
NL10.05.2006
SK10.05.2006
DK10.08.2006
SE10.08.2006
GR11.08.2006
ES21.08.2006
MC30.09.2006
IE02.10.2006
PT10.10.2006
Former [2008/21]AT10.05.2006
BE10.05.2006
CH10.05.2006
CZ10.05.2006
FI10.05.2006
IT10.05.2006
LI10.05.2006
NL10.05.2006
SK10.05.2006
DK10.08.2006
SE10.08.2006
GR11.08.2006
ES21.08.2006
MC30.09.2006
IE02.10.2006
PT10.10.2006
Former [2007/49]AT10.05.2006
BE10.05.2006
CH10.05.2006
CZ10.05.2006
FI10.05.2006
IT10.05.2006
LI10.05.2006
NL10.05.2006
SK10.05.2006
DK10.08.2006
SE10.08.2006
ES21.08.2006
MC30.09.2006
IE02.10.2006
PT10.10.2006
Former [2007/39]AT10.05.2006
BE10.05.2006
CH10.05.2006
CZ10.05.2006
FI10.05.2006
IT10.05.2006
LI10.05.2006
NL10.05.2006
SK10.05.2006
DK10.08.2006
SE10.08.2006
ES21.08.2006
MC30.09.2006
PT10.10.2006
Former [2007/19]AT10.05.2006
BE10.05.2006
CH10.05.2006
CZ10.05.2006
FI10.05.2006
LI10.05.2006
NL10.05.2006
SK10.05.2006
DK10.08.2006
SE10.08.2006
ES21.08.2006
PT10.10.2006
Former [2007/13]AT10.05.2006
BE10.05.2006
CH10.05.2006
CZ10.05.2006
FI10.05.2006
LI10.05.2006
SK10.05.2006
DK10.08.2006
SE10.08.2006
ES21.08.2006
PT10.10.2006
Former [2007/12]AT10.05.2006
CH10.05.2006
CZ10.05.2006
FI10.05.2006
LI10.05.2006
SK10.05.2006
DK10.08.2006
SE10.08.2006
ES21.08.2006
PT10.10.2006
Former [2007/03]AT10.05.2006
CH10.05.2006
FI10.05.2006
LI10.05.2006
SE10.08.2006
ES21.08.2006
Former [2006/52]AT10.05.2006
FI10.05.2006
SE10.08.2006
ES21.08.2006
Former [2006/50]SE10.08.2006
ES21.08.2006
Former [2006/48]SE10.08.2006
Cited inInternational search[A]FR2714564  (ETAT FRANCAIS LABO CL PONTS CH [FR]) [A] 1 * page 7, line 8 - page 7, line 35; figure 1 *;
 [A]US5783909  (HOCHSTEIN PETER A [US]) [A] 1 * column 3, line 3 - column 3, line 22 * * column A; figures 3,5 *;
 [A]US6127783  (PASHLEY MICHAEL D [US], et al) [A] 1,5 * column 3, line 5 - column 3, line 18; figures 2-4 *;
 [A]WO0158218  (KONINKL PHILIPS ELECTRONICS NV [NL]) [A] 1* page 1, line 27 - page 1, line 29; figures 1,2 *;
 [A]DE10013208  (TRIDONIC BAUELEMENTE GMBH DORN [AT]) [A] 1 * column 3, line 6 - column 4, line 7; figures 1,2 *
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.