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Extract from the Register of European Patents

EP About this file: EP3486714

EP3486714 - TRANSMITTER AND BIAS ADJUSTMENT METHOD [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  14.01.2022
Database last updated on 02.11.2024
FormerThe patent has been granted
Status updated on  05.02.2021
FormerGrant of patent is intended
Status updated on  04.11.2020
FormerRequest for examination was made
Status updated on  19.04.2019
FormerThe international publication has been made
Status updated on  20.01.2018
Most recent event   Tooltip13.09.2024Lapse of the patent in a contracting state
New state(s): MT
published on 16.10.2024  [2024/42]
Applicant(s)For all designated states
NEC Corporation
7-1, Shiba 5-chome Minato-ku
Tokyo 108-8001 / JP
[2019/21]
Inventor(s)01 / KOGA, Tadashi
c/o NEC Corporation
7-1 Shiba 5-chome
Minato-ku
Tokyo 108-8001 / JP
 [2019/21]
Representative(s)Betten & Resch
Patent- und Rechtsanwälte PartGmbB
Maximiliansplatz 14
80333 München / DE
[2019/21]
Application number, filing date17827188.803.04.2017
[2019/21]
WO2017JP13951
Priority number, dateJP2016014069815.07.2016         Original published format: JP 2016140698
[2019/21]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2018012054
Date:18.01.2018
Language:JA
[2018/03]
Type: A1 Application with search report 
No.:EP3486714
Date:22.05.2019
Language:EN
[2019/21]
Type: B1 Patent specification 
No.:EP3486714
Date:10.03.2021
Language:EN
[2021/10]
Search report(s)International search report - published on:JP18.01.2018
(Supplementary) European search report - dispatched on:EP26.06.2019
ClassificationIPC:G02F1/01, H04B10/516
[2019/21]
CPC:
G02F1/0123 (EP,US); H04B10/516 (EP,US); H04B10/5161 (US);
H04B10/541 (US); H04B10/564 (US)
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2019/21]
Extension statesBANot yet paid
MENot yet paid
Validation statesMANot yet paid
MDNot yet paid
TitleGerman:SENDER UND VORSPANNUNGSANPASSUNGSVERFAHREN[2019/21]
English:TRANSMITTER AND BIAS ADJUSTMENT METHOD[2019/21]
French:ÉMETTEUR ET PROCÉDÉ D'AJUSTEMENT DE POLARISATION[2019/21]
Entry into regional phase19.12.2018Translation filed 
15.02.2019National basic fee paid 
15.02.2019Search fee paid 
15.02.2019Designation fee(s) paid 
15.02.2019Examination fee paid 
Examination procedure15.02.2019Examination requested  [2019/21]
24.09.2019Amendment by applicant (claims and/or description)
05.11.2020Communication of intention to grant the patent
01.02.2021Fee for grant paid
01.02.2021Fee for publishing/printing paid
01.02.2021Receipt of the translation of the claim(s)
Opposition(s)13.12.2021No opposition filed within time limit [2022/07]
Fees paidRenewal fee
30.04.2019Renewal fee patent year 03
31.03.2020Renewal fee patent year 04
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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  TooltipHU03.04.2017
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[2024/42]
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Documents cited:Search[YA]US2016156418  (YAMANAKA SHINGO [JP], et al) [Y] 1-3,5-7 * paragraphs [0071] , [ 0074] * [A] 4;
 [YA]US2016173304  (LE TAILLANDIER DE GABORY EMMANUEL [JP], et al) [Y] 1-3,5-7 * abstract * * paragraphs [0018] - [0028] * * figure 18 * [A] 4;
 [A]  - PAK S. CHO ET AL, "Bias Control for Optical OFDM Transmitters", IEEE PHOTONICS TECHNOLOGY LETTERS., US, (20100701), vol. 22, no. 14, doi:10.1109/LPT.2010.2049198, ISSN 1041-1135, pages 1030 - 1032, XP055554798 [A] 1-7 * the whole document *

DOI:   http://dx.doi.org/10.1109/LPT.2010.2049198
 [A]  - MOHAMMAD SOTOODEH ET AL, "Modulator Bias and Optical Power Control of Optical Complex E-Field Modulators", JOURNAL OF LIGHTWAVE TECHNOLOGY, IEEE, USA, (20110801), vol. 29, no. 15, doi:10.1109/JLT.2011.2158291, ISSN 0733-8724, pages 2235 - 2248, XP011336451 [A] 1-7 * the whole document *

DOI:   http://dx.doi.org/10.1109/JLT.2011.2158291
International search[A]JP2008249848  (FUJITSU LTD) [A] 1-7 * , paragraphs [0040] to [0088]; all drawings & US 2008/0239448 A1 paragraphs [0060] to [0108]; all drawings & US 2011/0032594 A1 & EP 1975693 A1 *;
 [A]EP2782270  (XIEON NETWORKS S R L [LU]) [A] 1-7 * , fig. la, lb, 3 & US 2016/0282699 A1 & WO 2014/146887 A1 & CN 105075153 A *;
 [A]WO2015015533  (NEC CORP [JP]) [A] 1-7 * , fig. 1, 2 & JP 2016-527552 A & US 2016/0173304 A1 *;
 [A]  - CHO,P.S. et al., "Bias Control for Optical OFDM Transmitters", IEEE PHOTONICS TECHNOLOGY LETTERS, (20100715), vol. 22, no. 14, pages 1030 - 1032, XP055554798 [A] 1-7

DOI:   http://dx.doi.org/10.1109/LPT.2010.2049198
 [A]  - SOTOODEH,MOHAMMAD et al., "Modulator Bias and Optical Power Control of Optical Complex E- Field Modulators", JOURNAL OF LIGHTWAVE TECHNOLOGY, (20110801), vol. 29, no. 15, pages 2235 - 2248, XP011336451 [A] 1-7

DOI:   http://dx.doi.org/10.1109/JLT.2011.2158291
by applicantJP2008249848
 JP20160140698
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