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Extract from the Register of European Patents

EP About this file: EP3935794

EP3935794 - OTN TRANSPORT OVER A LEAF/SPINE PACKET NETWORK [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  12.04.2024
Database last updated on 05.10.2024
FormerThe patent has been granted
Status updated on  05.05.2023
FormerGrant of patent is intended
Status updated on  19.03.2023
FormerRequest for examination was made
Status updated on  10.12.2021
FormerThe international publication has been made
Status updated on  09.10.2020
Formerunknown
Status updated on  11.05.2020
Most recent event   Tooltip24.05.2024Lapse of the patent in a contracting state
New state(s): IT, SI		published on 26.06.2024  [2024/26]
Applicant(s)For all designated states
Ciena Corporation
7035 Ridge Road
Hanover, MD 21076 / US
[2022/02]
Inventor(s)01 / LECLAIR, Marc
c/o 383 Terry Fox Drive
Ottawa, ON K2K 0L1 / CA
02 / RIVAUD, Daniel
c/o 383 Terry Fox Drive
Ottawa, ON K2K 0L1 / CA
 [2023/23]
Former [2022/02]01 / LECLAIR, Marc
Ottawa, ON K2K 0L1 / CA
02 / RIVAUD, Daniel
Ottawa, ON K2K 0L1 / CA
Representative(s)Dehns
10 Old Bailey
London EC4M 7NG / GB
[N/P]
Former [2022/02]Dehns
St. Bride's House
10 Salisbury Square
London EC4Y 8JD / GB
Application number, filing date20722713.331.03.2020
[2022/02]
WO2020US25866
Priority number, dateUS20191637367703.04.2019         Original published format: US201916373677
[2022/02]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2020205813
Date:08.10.2020
Language:EN
[2020/41]
Type: A1 Application with search report 
No.:EP3935794
Date:12.01.2022
Language:EN
The application published by WIPO in one of the EPO official languages on 08.10.2020 takes the place of the publication of the European patent application.
[2022/02]
Type: B1 Patent specification 
No.:EP3935794
Date:07.06.2023
Language:EN
[2023/23]
Search report(s)International search report - published on:EP08.10.2020
ClassificationIPC:H04L47/62, H04L47/34, H04L45/24, H04L45/02, H04L45/00
[2023/13]
CPC:
H04L45/02 (EP); H04L47/125 (US); H04J3/1658 (US);
H04L45/24 (US); H04L45/245 (EP); H04L45/38 (US);
H04L45/70 (EP,US); H04L47/34 (EP,US); H04L47/6205 (EP) (-)
Former IPC [2022/02]H04L12/751, H04L12/709
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 [2022/02]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:OTN-TRANSPORT ÜBER EIN LEAF/SPINE-PAKETNETZWERK[2022/02]
English:OTN TRANSPORT OVER A LEAF/SPINE PACKET NETWORK[2022/02]
French:TRANSPORT OTN SUR UN RÉSEAU PAR PAQUETS AVEC FEUILLES/ÉPINE DORSALE[2022/02]
Entry into regional phase04.10.2021National basic fee paid 
04.10.2021Designation fee(s) paid 
04.10.2021Examination fee paid 
Examination procedure04.10.2021Amendment by applicant (claims and/or description)
04.10.2021Examination requested  [2022/02]
04.10.2021Date on which the examining division has become responsible
20.03.2023Communication of intention to grant the patent
19.04.2023Fee for grant paid
19.04.2023Fee for publishing/printing paid
19.04.2023Receipt of the translation of the claim(s)
Divisional application(s)EP23175394.8  / EP4236248
Opposition(s)08.03.2024No opposition filed within time limit [2024/20]
Fees paidRenewal fee
25.03.2022Renewal fee patent year 03
23.03.2023Renewal 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  TooltipAT07.06.2023
CZ07.06.2023
DK07.06.2023
EE07.06.2023
ES07.06.2023
FI07.06.2023
HR07.06.2023
IT07.06.2023
LT07.06.2023
LV07.06.2023
PL07.06.2023
RO07.06.2023
RS07.06.2023
SE07.06.2023
SI07.06.2023
SK07.06.2023
SM07.06.2023
NO07.09.2023
GR08.09.2023
IS07.10.2023
PT09.10.2023
[2024/26]
Former [2024/22]AT07.06.2023
CZ07.06.2023
DK07.06.2023
EE07.06.2023
ES07.06.2023
FI07.06.2023
HR07.06.2023
LT07.06.2023
LV07.06.2023
PL07.06.2023
RO07.06.2023
RS07.06.2023
SE07.06.2023
SK07.06.2023
SM07.06.2023
NO07.09.2023
GR08.09.2023
IS07.10.2023
PT09.10.2023
Former [2024/10]AT07.06.2023
CZ07.06.2023
EE07.06.2023
ES07.06.2023
FI07.06.2023
HR07.06.2023
LT07.06.2023
LV07.06.2023
PL07.06.2023
RO07.06.2023
RS07.06.2023
SE07.06.2023
SK07.06.2023
SM07.06.2023
NO07.09.2023
GR08.09.2023
IS07.10.2023
PT09.10.2023
Former [2024/09]AT07.06.2023
CZ07.06.2023
ES07.06.2023
FI07.06.2023
HR07.06.2023
LT07.06.2023
LV07.06.2023
RS07.06.2023
SE07.06.2023
SK07.06.2023
SM07.06.2023
NO07.09.2023
GR08.09.2023
IS07.10.2023
Former [2024/08]ES07.06.2023
FI07.06.2023
HR07.06.2023
LT07.06.2023
LV07.06.2023
RS07.06.2023
SE07.06.2023
SK07.06.2023
SM07.06.2023
NO07.09.2023
GR08.09.2023
Former [2024/03]ES07.06.2023
FI07.06.2023
HR07.06.2023
LT07.06.2023
LV07.06.2023
RS07.06.2023
SE07.06.2023
NO07.09.2023
GR08.09.2023
Former [2024/01]ES07.06.2023
HR07.06.2023
LT07.06.2023
LV07.06.2023
RS07.06.2023
SE07.06.2023
NO07.09.2023
GR08.09.2023
Former [2023/51]ES07.06.2023
HR07.06.2023
RS07.06.2023
SE07.06.2023
NO07.09.2023
GR08.09.2023
Former [2023/50]ES07.06.2023
SE07.06.2023
NO07.09.2023
GR08.09.2023
Former [2023/48]ES07.06.2023
SE07.06.2023
NO07.09.2023
Former [2023/46]ES07.06.2023
Cited inInternational search[XA]US2015381486  (XIAO JUN [CN], et al);
 [IA]EP3113502  (CIENA CORP [US])
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.