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Extract from the Register of European Patents

EP About this file: EP1998539

EP1998539 - Double talk detection method based on spectral acoustic properties [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  11.05.2012
Database last updated on 19.10.2024
Most recent event   Tooltip18.07.2014Lapse of the patent in a contracting state
New state(s): HU		published on 20.08.2014  [2014/34]
Applicant(s)For all designated states
Zarlink Semiconductor Inc.
400 March Road Kanata
Ontario K2K 3H4 / CA
[2008/49]
Inventor(s)01 / Rahbar, Kamran
465 Richmond Road - Apt. 910
Ottawa, Ontario K2A 1Z1 / CA
 [2008/49]
Representative(s)Harding, Richard Patrick
Marks & Clerk LLP
4220 Nash Court
Oxford Business Park South
Oxford
OX4 2RU / GB
[N/P]
Former [2008/49]Harding, Richard Patrick
Marks & Clerk 4220 Nash Court Oxford Business Park South Oxford
OX4 2RU / GB
Application number, filing date08156983.227.05.2008
[2008/49]
Priority number, dateUS20070941188P31.05.2007         Original published format: US 941188 P
GB2007001790714.09.2007         Original published format: GB 0717907
[2008/49]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP1998539
Date:03.12.2008
Language:EN
[2008/49]
Type: A3 Search report 
No.:EP1998539
Date:18.11.2009
[2009/47]
Type: B1 Patent specification 
No.:EP1998539
Date:06.07.2011
Language:EN
[2011/27]
Search report(s)(Supplementary) European search report - dispatched on:EP21.10.2009
ClassificationIPC:H04M9/08
[2008/49]
CPC:
H04M9/082 (EP,KR,US); G10K11/16 (GB); H03B29/00 (GB);
H04B3/23 (GB); H04M9/08 (GB)
Designated contracting statesAT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MT,   NL,   NO,   PL,   PT,   RO,   SE,   SI,   SK,   TR [2008/49]
TitleGerman:Doppelsprecherkennungsverfahren basierend auf akustischen Spektraleigenschaften[2008/49]
English:Double talk detection method based on spectral acoustic properties[2008/49]
French:Procédé de détection de double parole basé sur les propriétés acoustiques spectrales[2008/49]
Examination procedure27.05.2008Examination requested  [2008/49]
27.07.2010Despatch of a communication from the examining division (Time limit: M04)
01.12.2010Reply to a communication from the examining division
13.12.2010Despatch of a communication from the examining division (Time limit: M04)
07.01.2011Reply to a communication from the examining division
28.01.2011Communication of intention to grant the patent
12.05.2011Fee for grant paid
12.05.2011Fee for publishing/printing paid
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  27.07.2010
Opposition(s)11.04.2012No opposition filed within time limit [2012/24]
Fees paidRenewal fee
31.03.2010Renewal fee patent year 03
11.05.2011Renewal fee patent year 04
Opt-out from the exclusive  Tooltip
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  TooltipHU27.05.2008
AT06.07.2011
BE06.07.2011
CY06.07.2011
CZ06.07.2011
DK06.07.2011
EE06.07.2011
FI06.07.2011
HR06.07.2011
IT06.07.2011
LT06.07.2011
LV06.07.2011
MT06.07.2011
NL06.07.2011
PL06.07.2011
RO06.07.2011
SE06.07.2011
SI06.07.2011
SK06.07.2011
TR06.07.2011
BG06.10.2011
NO06.10.2011
GR07.10.2011
ES17.10.2011
IS06.11.2011
PT07.11.2011
[2014/34]
Former [2014/21]AT06.07.2011
BE06.07.2011
CY06.07.2011
CZ06.07.2011
DK06.07.2011
EE06.07.2011
FI06.07.2011
HR06.07.2011
IT06.07.2011
LT06.07.2011
LV06.07.2011
MT06.07.2011
NL06.07.2011
PL06.07.2011
RO06.07.2011
SE06.07.2011
SI06.07.2011
SK06.07.2011
TR06.07.2011
BG06.10.2011
NO06.10.2011
GR07.10.2011
ES17.10.2011
IS06.11.2011
PT07.11.2011
Former [2013/35]AT06.07.2011
BE06.07.2011
CY06.07.2011
CZ06.07.2011
DK06.07.2011
EE06.07.2011
FI06.07.2011
HR06.07.2011
IT06.07.2011
LT06.07.2011
LV06.07.2011
MT06.07.2011
NL06.07.2011
PL06.07.2011
RO06.07.2011
SE06.07.2011
SI06.07.2011
SK06.07.2011
BG06.10.2011
NO06.10.2011
GR07.10.2011
ES17.10.2011
IS06.11.2011
PT07.11.2011
Former [2013/29]AT06.07.2011
BE06.07.2011
CY06.07.2011
CZ06.07.2011
DK06.07.2011
EE06.07.2011
FI06.07.2011
HR06.07.2011
IT06.07.2011
LT06.07.2011
LV06.07.2011
NL06.07.2011
PL06.07.2011
RO06.07.2011
SE06.07.2011
SI06.07.2011
SK06.07.2011
BG06.10.2011
NO06.10.2011
GR07.10.2011
ES17.10.2011
IS06.11.2011
PT07.11.2011
Former [2013/22]AT06.07.2011
BE06.07.2011
CY06.07.2011
CZ06.07.2011
DK06.07.2011
EE06.07.2011
FI06.07.2011
HR06.07.2011
IT06.07.2011
LT06.07.2011
LV06.07.2011
NL06.07.2011
PL06.07.2011
RO06.07.2011
SE06.07.2011
SI06.07.2011
SK06.07.2011
NO06.10.2011
GR07.10.2011
ES17.10.2011
IS06.11.2011
PT07.11.2011
Former [2012/31]AT06.07.2011
BE06.07.2011
CY06.07.2011
CZ06.07.2011
DK06.07.2011
EE06.07.2011
FI06.07.2011
HR06.07.2011
IT06.07.2011
LT06.07.2011
LV06.07.2011
NL06.07.2011
PL06.07.2011
RO06.07.2011
SE06.07.2011
SI06.07.2011
SK06.07.2011
NO06.10.2011
GR07.10.2011
IS06.11.2011
PT07.11.2011
Former [2012/23]AT06.07.2011
BE06.07.2011
CY06.07.2011
CZ06.07.2011
EE06.07.2011
FI06.07.2011
HR06.07.2011
IT06.07.2011
LT06.07.2011
LV06.07.2011
NL06.07.2011
PL06.07.2011
RO06.07.2011
SE06.07.2011
SI06.07.2011
SK06.07.2011
NO06.10.2011
GR07.10.2011
IS06.11.2011
PT07.11.2011
Former [2012/21]AT06.07.2011
BE06.07.2011
CY06.07.2011
CZ06.07.2011
FI06.07.2011
HR06.07.2011
LT06.07.2011
LV06.07.2011
NL06.07.2011
PL06.07.2011
SE06.07.2011
SI06.07.2011
NO06.10.2011
GR07.10.2011
IS06.11.2011
PT07.11.2011
Former [2012/12]AT06.07.2011
BE06.07.2011
CY06.07.2011
FI06.07.2011
HR06.07.2011
LT06.07.2011
LV06.07.2011
NL06.07.2011
PL06.07.2011
SE06.07.2011
SI06.07.2011
NO06.10.2011
GR07.10.2011
IS06.11.2011
PT07.11.2011
Former [2011/52]SI06.07.2011
Documents cited:Search[X]GB2344036  (MITEL CORP [CA]);
 [X]US6442275  (DIETHORN ERIC J [US])
by applicantGB717907
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.