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Extract from the Register of European Patents

EP About this file: EP1434375

EP1434375 - Optical network unit, wavelength splitter, and optical wavelength-division multiplexing access system [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  20.05.2011
Database last updated on 28.05.2024
Most recent event   Tooltip20.05.2011No opposition filed within time limitpublished on 22.06.2011  [2011/25]
Applicant(s)For all designated states
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
3-1, Otemachi 2-chome, Chiyoda-ku
Tokyo / JP
[2010/28]
Former [2004/27]For all designated states
Nippon Telegraph and Telephone Corporation
3-1, Otemachi 2-chome, Chiyoda-ku
Tokyo / JP
Inventor(s)01 / Kani, Jun-ichi
c/o NTT Intellectual Property Center 9-11, Midori-cho 3-chome Musashino-shi
TOKYO / JP
02 / Iwatsuki, Katsumi
c/o NTT Intellectual Property Center 9-11, Midori-cho 3-chome Musashino-shi
TOKYO / JP
 [2010/10]
Former [2005/15]01 / Kani, Jun-ichi, c/o NTT Intellectual Prop. Ctr.
9-11, Midori-cho 3-chome Musashino-shi
TOKYO / JP
02 / Iwatsuki, Katsumi, c/o NTT Intellectual Prop. Ctr.
9-11, Midori-cho 3-chome Musashino-shi
TOKYO / JP
Former [2004/27]01 / Kani, Jun-ichi c/o NTT Intellectual property
9-11, Midori-cho 3-chome Musashino-shi
TOKYO / JP
02 / Iwatsuki, Katsumu NTT Intellectual property
9-11, Midori-cho 3-chome Musashino-shi
TOKYO / JP
Representative(s)Poulin, Gérard
BREVALEX
95, rue d'Amsterdam
75378 Paris Cedex 8 / FR
[N/P]
Former [2009/48]Poulin, Gérard
Brevalex 3, rue du Docteur Lancereaux
75008 Paris / FR
Former [2004/27]Poulin, Gérard
BREVALEX 3, rue du Docteur Lancereaux
75008 Paris / FR
Application number, filing date03104974.524.12.2003
[2004/27]
Priority number, dateJP2002037807926.12.2002         Original published format: JP 2002378079
[2004/27]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP1434375
Date:30.06.2004
Language:EN
[2004/27]
Type: A3 Search report 
No.:EP1434375
Date:03.05.2006
[2006/18]
Type: B1 Patent specification 
No.:EP1434375
Date:14.07.2010
Language:EN
[2010/28]
Search report(s)(Supplementary) European search report - dispatched on:EP16.03.2006
ClassificationIPC:H04J14/02
[2004/27]
CPC:
H04Q11/0067 (EP,US); H04J14/0226 (EP,US); H04J14/0246 (EP,US);
H04J14/025 (EP,US); H04J14/0282 (EP,US); H04J14/0227 (EP,US);
H04J2014/0253 (EP,US); H04Q2011/0016 (EP,US) (-)
Designated contracting statesDE,   FR,   GB,   IT [2007/02]
Former [2004/27]AT,  BE,  BG,  CH,  CY,  CZ,  DE,  DK,  EE,  ES,  FI,  FR,  GB,  GR,  HU,  IE,  IT,  LI,  LU,  MC,  NL,  PT,  RO,  SE,  SI,  SK,  TR 
TitleGerman:Optische Netzwerkeinheit, Wellenlängenteiler und optisches Wellenlängenmultiplex-Zugangsnetzwerk[2004/27]
English:Optical network unit, wavelength splitter, and optical wavelength-division multiplexing access system[2004/27]
French:Unité de réseau optique, séparateur optique et système d'accès optique à multiplexage de longueurs d'ondes[2004/27]
Examination procedure24.12.2003Examination requested  [2004/27]
08.08.2006Despatch of a communication from the examining division (Time limit: M04)
04.11.2006Loss of particular rights, legal effect: designated state(s)
22.11.2006Reply to a communication from the examining division
11.05.2007Despatch of communication of loss of particular rights: designated state(s) AT, BE, BG, CH, CY, CZ, DK, EE, ES, FI, GR, HU, IE, LU, MC, NL, PT, RO, SE, SI, SK, TR
16.07.2007Despatch of a communication from the examining division (Time limit: M06)
27.12.2007Reply to a communication from the examining division
16.12.2009Despatch of a communication from the examining division (Time limit: M04)
29.12.2009Reply to a communication from the examining division
19.02.2010Communication of intention to grant the patent
01.06.2010Fee for grant paid
01.06.2010Fee for publishing/printing paid
Divisional application(s)EP10162719.8  / EP2211490
EP10162728.9  / EP2211491
Opposition(s)15.04.2011No opposition filed within time limit [2011/25]
Fees paidRenewal fee
20.12.2005Renewal fee patent year 03
18.12.2006Renewal fee patent year 04
18.12.2007Renewal fee patent year 05
07.03.2008Renewal fee patent year 06
23.12.2009Renewal fee patent year 07
Penalty fee
Penalty fee Rule 85a EPC 1973
22.02.2007AT   M01   Not yet paid
22.02.2007BE   M01   Not yet paid
22.02.2007BG   M01   Not yet paid
22.02.2007CH   M01   Not yet paid
22.02.2007CY   M01   Not yet paid
22.02.2007CZ   M01   Not yet paid
22.02.2007DK   M01   Not yet paid
22.02.2007EE   M01   Not yet paid
22.02.2007ES   M01   Not yet paid
22.02.2007FI   M01   Not yet paid
22.02.2007GR   M01   Not yet paid
22.02.2007HU   M01   Not yet paid
22.02.2007IE   M01   Not yet paid
22.02.2007LU   M01   Not yet paid
22.02.2007MC   M01   Not yet paid
22.02.2007NL   M01   Not yet paid
22.02.2007PT   M01   Not yet paid
22.02.2007RO   M01   Not yet paid
22.02.2007SE   M01   Not yet paid
22.02.2007SI   M01   Not yet paid
22.02.2007SK   M01   Not yet paid
22.02.2007TR   M01   Not yet paid
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Documents cited:Search[AD]JP2000196536  ;
 [A]US5694234  (DARCIE THOMAS EDWARD [US], et al) [A] 1-25 * abstract * * column 1, line 38 - column 2, line 15 * * column 2, line 43 - column 5, line 28 * * figure 2 *;
 [A]US5864413  (FELDMAN ROBERT D [US], et al) [A] 1-25 * column 3, line 27 - column 4, line 47 * * column 5, line 3 - column 6, line 65 * * figure 2 *;
 [PX]US2002196491  (DENG KUNG LI [US], et al) [PX] 1-25 * abstract * * paragraphs [0008] - [0010] * * paragraphs [0012] - [0017] * * paragraphs [0025] - [0032] *;
 [AD]  - PATENT ABSTRACTS OF JAPAN, (20001117), vol. 2000, no. 10, & JP2000196536 A 20000714 (NIPPON TELEGR & TELEPH CORP ) [AD] 1-25 * abstract *
 [AD]  - AKIMOTO K ET AL, "Spectrum-sliced, 25-GHz spaced, 155 Mbpsx32 channel WDM access", LASERS AND ELECTRO-OPTICS, 2001. CLEO/PACIFIC RIM 2001. THE 4TH PACIFIC RIM CONFERENCE ON 15-19 JULY 2001, PISCATAWAY, NJ, USA,IEEE, (20010715), vol. 2, pages 556 - 557, XP010567431 [AD] 1-25 * the whole document *
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.