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Extract from the Register of European Patents

EP About this file: EP1182474

EP1182474 - Optical waveguide and fabricating method thereof, and optical waveguide circuit [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  20.01.2017
Database last updated on 16.11.2024
Most recent event   Tooltip20.01.2017No opposition filed within time limitpublished on 22.02.2017  [2017/08]
Applicant(s)For all designated states
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
3-1, Otemachi 2-chome, Chiyoda-ku
Tokyo / JP
[2016/11]
Former [2002/09]For all designated states
Nippon Telegraph and Telephone Corporation
3-1, Otemachi 2-chome, Chiyoda-ku
Tokyo / JP
Inventor(s)01 / Itoh, Mikitaka
c/o NTT INTELLECTUAL PROPERTY CENTER
9-11, Midori-cho 3-chome
Musashino-shi, Tokyo / JP
02 / Kasahara, Ryoichi
c/o NTT INTELLECTUAL PROPERTY CENTER
9-11, Midori-cho 3-chome
Musashino-shi, Tokyo / JP
03 / Saida, Takashi
c/o NTT INTELLECTUAL PROPERTY CENTER
9-11, Midori-cho 3-chome
Musashino-shi, Tokyo / JP
04 / Hida, Yasuhiro
c/o NTT INTELLECTUAL PROPERTY CENTER
9-11, Midori-cho 3-chome
Musashino-shi, Tokyo / JP
 [2016/11]
Former [2002/09]01 / Itoh, Mikitaka, c/o NTT Intell. Property Center
9-11, Midori-cho, 3-chome
Musashino-shi, Tokyo / JP
02 / Kasahara, Ryoichi, c/o NTT Intell. Property Center
9-11, Midori-cho, 3-chome
Musashino-shi, Tokyo / JP
03 / Saida, Takashi, c/o NTT Intell. Property Center
9-11, Midori-cho, 3-chome
Musashino-shi, Tokyo / JP
04 / Hida, Yasuhiro, c/o NTT Intell. Property Center
9-11, Midori-cho, 3-chome
Musashino-shi, Tokyo / JP
Representative(s)Ilgart, Jean-Christophe, et al
BREVALEX
95, Rue d'Amsterdam
75378 Paris Cedex 8 / FR
[N/P]
Former [2016/11]Ilgart, Jean-Christophe, et al
BREVALEX
95, rue d'Amsterdam
75378 Paris Cedex 8 / FR
Former [2002/09]Ilgart, Jean-Christophe, et al
BREVALEX 3, rue du Docteur Lanceraux
75008 Paris / FR
Application number, filing date01402201.621.08.2001
[2002/09]
Priority number, dateJP2000025077022.08.2000         Original published format: JP 2000250770
[2002/09]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP1182474
Date:27.02.2002
Language:EN
[2002/09]
Type: A3 Search report 
No.:EP1182474
Date:10.11.2004
[2004/46]
Type: B1 Patent specification 
No.:EP1182474
Date:16.03.2016
Language:EN
[2016/11]
Search report(s)(Supplementary) European search report - dispatched on:EP24.09.2004
ClassificationIPC:G02B6/122, G02B6/132, G02B6/136, G02B6/12
[2015/43]
CPC:
G02B6/136 (EP,US); G02B6/122 (EP,US); G02B6/132 (EP,US);
G02B2006/12061 (EP,US); G02B2006/12097 (EP,US); G02B2006/121 (EP,US);
G02B2006/12176 (EP,US) (-)
Former IPC [2004/45]G02B6/12, G02B6/10
Former IPC [2002/09]G02B6/126
Designated contracting statesDE,   FR,   GB [2016/11]
Former [2005/30]DE,  FR,  GB 
Former [2002/09]AT,  BE,  CH,  CY,  DE,  DK,  ES,  FI,  FR,  GB,  GR,  IE,  IT,  LI,  LU,  MC,  NL,  PT,  SE,  TR 
TitleGerman:Optischer Wellenleiter und sein Herstellungsverfahren, sowie optische Wellenleiterschaltung[2002/09]
English:Optical waveguide and fabricating method thereof, and optical waveguide circuit[2002/09]
French:Guide d'ondes optique et son procédé de fabrication, et circuit de guide d'ondes optique[2015/43]
Former [2002/09]Guide d'ondes optique et son procédé de fabrication, et circuit de guide d'onde optique
Examination procedure15.02.2005Examination requested  [2005/15]
11.05.2005Loss of particular rights, legal effect: designated state(s)
03.06.2005Despatch of a communication from the examining division (Time limit: M04)
09.09.2005Despatch of communication of loss of particular rights: designated state(s) AT, BE, CH, CY, DK, ES, FI, GR, IE, IT, LU, MC, NL, PT, SE, TR
05.10.2005Reply to a communication from the examining division
12.01.2006Despatch of a communication from the examining division (Time limit: M04)
16.05.2006Reply to a communication from the examining division
03.09.2015Cancellation of oral proceeding that was planned for 17.09.2015
17.09.2015Date of oral proceedings (cancelled)
28.09.2015Communication of intention to grant the patent
13.01.2016Fee for grant paid
13.01.2016Fee for publishing/printing paid
13.01.2016Receipt of the translation of the claim(s)
Divisional application(s)The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued is  03.06.2005
Opposition(s)19.12.2016No opposition filed within time limit [2017/08]
Fees paidRenewal fee
20.08.2003Renewal fee patent year 03
18.08.2004Renewal fee patent year 04
18.08.2005Renewal fee patent year 05
21.08.2006Renewal fee patent year 06
20.08.2007Renewal fee patent year 07
07.03.2008Renewal fee patent year 08
24.08.2009Renewal fee patent year 09
25.08.2010Renewal fee patent year 10
24.08.2011Renewal fee patent year 11
19.07.2012Renewal fee patent year 12
22.07.2013Renewal fee patent year 13
25.07.2014Renewal fee patent year 14
24.07.2015Renewal fee patent year 15
Penalty fee
Penalty fee Rule 85a EPC 1973
22.06.2005AT   M01   Not yet paid
22.06.2005BE   M01   Not yet paid
22.06.2005CH   M01   Not yet paid
22.06.2005CY   M01   Not yet paid
22.06.2005DK   M01   Not yet paid
22.06.2005ES   M01   Not yet paid
22.06.2005FI   M01   Not yet paid
22.06.2005GR   M01   Not yet paid
22.06.2005IE   M01   Not yet paid
22.06.2005IT   M01   Not yet paid
22.06.2005LU   M01   Not yet paid
22.06.2005MC   M01   Not yet paid
22.06.2005NL   M01   Not yet paid
22.06.2005PT   M01   Not yet paid
22.06.2005SE   M01   Not yet paid
22.06.2005TR   M01   Not yet paid
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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.
Documents cited:Search[E]WO0214916  (ALCATEL OPTRONICS UK LTD [GB], et al) [E] 1-6,8,10-14,16-21,23 * page 1, line 16 - page 4, line 5 * * page 5, line 14 - page 8, line 2 * * page 11, line 1 - page 12, line 5 * * figures 1F,2,4 *;
 [E]EP1182473  (CIT ALCATEL [FR]) [E] 1-6,8,10-14,16-21,23 * paragraphs [0007] , [0009] - [0012] - [0019] - [0024] *;
 [A]US4851025  (SIEFERT WOLFGANG [DE], et al) [A] 1,3,5-8,12,16,18,20-23 * column 2, lines 27-43 *;
 [AD]JPH08160234  ;
 [X]JPH0588037  ;
 [A]JPH08292336
 [AD]  - PATENT ABSTRACTS OF JAPAN, (19961031), vol. 1996, no. 10, & JP08160234 A 19960621 (OKI ELECTRIC IND CO LTD) [AD] 1,2,12,16,17 * abstract * * paragraphs [0005] , [0018] , [0025] , [0026] , [0057] , [0058] *
 [A]  - KILIAN A ET AL, "BIREFRINGENCE FREE PLANAR OPTICAL WAVEGUIDE MADE BY FLAME HYDROLYSIS DEPOSITION (FHD) THROUGH TAILORING OF THE OVERCLADDING", JOURNAL OF LIGHTWAVE TECHNOLOGY, IEEE. NEW YORK, US, (20000201), vol. 18, no. 2, ISSN 0733-8724, pages 193 - 198, XP001001814 [A] 1,2,6,7,10-14,16,17,21,22 * abstract *

DOI:   http://dx.doi.org/10.1109/50.822792
 [X]  - PATENT ABSTRACTS OF JAPAN, (19930809), vol. 017, no. 428, Database accession no. (P - 1588), & JP05088037 A 19930409 (NIPPON TELEGR & TELEPH CORP ) [X] 16 * abstract *
 [A]  - PATENT ABSTRACTS OF JAPAN, (19970331), vol. 1997, no. 03, & JP08292336 A 19961105 (NEC CORP) [A] 9 * abstract *
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.