Extract from the Register of European Patents

EP About this file: EP4161450

EP4161450 - DYNAMIC INTERBODY FUSION DEVICES [Right-click to bookmark this link]
StatusThe patent has been granted
Status updated on  13.06.2025
Database last updated on 28.03.2026
FormerGrant of patent is intended
Status updated on  26.03.2025
FormerRequest for examination was made
Status updated on  10.03.2023
FormerThe international publication has been made
Status updated on  10.12.2021
Formerunknown
Status updated on  21.07.2021
Most recent event   Tooltip06.02.2026Lapse of the patent in a contracting state
New state(s): ES
published on 11.03.2026  [2026/11]
Applicant(s)For all designated states
NuVasive, Inc.
7475 Lusk Boulevard
San Diego, CA 92121 / US
[2025/29]
Former [2023/15]For all designated states
NuVasive, Inc.
7475 Lusk Boulevard
San Diego, CA 92121 / US
Inventor(s)01 / CHEVALIER, Éric
62000 Arras / FR
02 / KERSPERN, Valentin
92320 Châtillon / FR
 [2023/15]
Representative(s)Morabito, Sara
Cantaluppi & Partners S.r.l.
Piazzetta Cappellato Pedrocchi, 18
35122 Padova / IT
[2025/29]
Former [2023/15]Boult Wade Tennant LLP
Salisbury Square House
8 Salisbury Square
London EC4Y 8AP / GB
Application number, filing date21739780.106.06.2021
[2023/15]
WO2021IB54947
Priority number, dateUS202063035262P05.06.2020         Original published format: US 202063035262 P
[2023/15]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2021245633
Date:09.12.2021
Language:EN
[2021/49]
Type: A1 Application with search report 
No.:EP4161450
Date:12.04.2023
Language:EN
The application published by WIPO in one of the EPO official languages on 09.12.2021 takes the place of the publication of the European patent application.
[2023/15]
Type: B1 Patent specification 
No.:EP4161450
Date:16.07.2025
Language:EN
[2025/29]
Search report(s)International search report - published on:EP09.12.2021
ClassificationIPC:A61F2/44, A61F2/30
[2023/15]
CPC:
A61F2/4455 (EP,US); A61F2/02 (US); A61F2/4611 (US);
A61F2002/30014 (EP,US); A61F2002/4495 (EP)
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 [2023/15]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:DYNAMISCHE ZWISCHENWIRBELFUSIONSVORRICHTUNGEN[2023/15]
English:DYNAMIC INTERBODY FUSION DEVICES[2023/15]
French:DISPOSITIFS DE FUSION INTERSOMATIQUE DYNAMIQUE[2023/15]
Entry into regional phase26.01.2023National basic fee paid 
26.01.2023Designation fee(s) paid 
26.01.2023Examination fee paid 
Examination procedure26.01.2023Examination requested  [2023/15]
26.01.2023Date on which the examining division has become responsible
09.08.2023Amendment by applicant (claims and/or description)
27.03.2025Communication of intention to grant the patent
10.06.2025Fee for grant paid
10.06.2025Fee for publishing/printing paid
10.06.2025Receipt of the translation of the claim(s)
Request for further processing for:The application is deemed to be withdrawn due to non-payment of designation fees
HU, FR, TR, SM, SK, SI, SE, RS, RO, PT, PL, NO, NL, MT, MK, MC, LV, LU, LT, IT, IS, IE, HR, GR, GB, FI, ES, EE, DK, DE, CZ, CY, CH, BG, BE, AT, AL
26.01.2023Request for further processing filed
26.01.2023Full payment received (date of receipt of payment)
Request granted
06.02.2023Decision despatched
26.01.2023Request for further processing filed
26.01.2023Full payment received (date of receipt of payment)
Request granted
06.02.2023Decision despatched
The application is deemed to be withdrawn due to non-payment of the filing fee
26.01.2023Request for further processing filed
26.01.2023Full payment received (date of receipt of payment)
Request granted
06.02.2023Decision despatched
The application is deemed to be withdrawn due to non-payment of the examination fee
26.01.2023Request for further processing filed
26.01.2023Full payment received (date of receipt of payment)
Request granted
06.02.2023Decision despatched
Fees paidRenewal fee
20.06.2023Renewal fee patent year 03
12.04.2024Renewal fee patent year 04
07.04.2025Renewal fee patent year 05
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Lapses during opposition  TooltipAT16.07.2025
BG16.07.2025
ES16.07.2025
FI16.07.2025
HR16.07.2025
LV16.07.2025
NL16.07.2025
PL16.07.2025
SE16.07.2025
NO16.10.2025
RS16.10.2025
GR17.10.2025
IS16.11.2025
PT17.11.2025
[2026/11]
Former [2026/10]AT16.07.2025
BG16.07.2025
FI16.07.2025
HR16.07.2025
LV16.07.2025
NL16.07.2025
PL16.07.2025
SE16.07.2025
NO16.10.2025
RS16.10.2025
GR17.10.2025
IS16.11.2025
PT17.11.2025
Former [2026/09]AT16.07.2025
FI16.07.2025
HR16.07.2025
LV16.07.2025
NL16.07.2025
SE16.07.2025
NO16.10.2025
GR17.10.2025
IS16.11.2025
PT17.11.2025
Former [2026/08]AT16.07.2025
FI16.07.2025
HR16.07.2025
NL16.07.2025
NO16.10.2025
IS16.11.2025
PT17.11.2025
Former [2026/07]NL16.07.2025
IS16.11.2025
PT17.11.2025
Former [2026/05]NL16.07.2025
PT17.11.2025
Former [2026/03]PT17.11.2025
Cited inInternational search[XI] US2018280145  (JONES CHRISTOPHER L et al.)
 [XI] US2019133783  (UNGER JESSE et al.) [X] 1,2,4-8 * paragraphs [0134] - [0136]; figures 4-9 *[I] 3,9-30
 [I] US2020046512  (NEWMAN COLLIN et al.) [I] 1-30 * paragraphs [0029] , [0034] , [0036]; figures 1A-8 *
 [I] WO2004017857  (WOODWELDING AG et al.) [I] 1-30 * paragraphs [0068] , [0069] , [0074] , [0077]; figures 1A-3B *
by applicantUS196262630352
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