blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

Italy joins the Federated Register

Click here for more information on the Federated Register.

2025-06-12

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register User Manual
European Patent Register – pocket guide
FAQ - European Patent Register
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP About this file: EP4178959

EP4178959 - NITROGEN HETEROCYCLIC CYTOKININ DERIVATIVES, COMPOSITIONS CONTAINING THESE DERIVATIVES AND USE THEREOF [Right-click to bookmark this link]
StatusThe patent has been granted
Status updated on  08.08.2025
Database last updated on 10.03.2026
FormerGrant of patent is intended
Status updated on  16.04.2025
FormerExamination is in progress
Status updated on  27.09.2024
FormerRequest for examination was made
Status updated on  14.04.2023
FormerThe international publication has been made
Status updated on  21.01.2022
Formerunknown
Status updated on  31.07.2020
Most recent event   Tooltip20.02.2026Lapse of the patent in a contracting state
New state(s): NL		published on 25.03.2026 [2026/13]
Applicant(s)For all designated states
Univerzita Palackého v Olomouci
Krízkovského 511/8
779 00 Olomouc / CZ
[2023/20]
Inventor(s)01 / SKARUPA, Frantisek
77900 Olomouc / CZ
02 / PLIHALOVA, Lucie
78302 Olomouc / CZ
03 / ZATLOUKAL, Marek
78701 Sumperk / CZ
04 / DOLEZAL, Karel
78365 Hlubocky / CZ
05 / KOPRNA, Radoslav
77900 Olomouc / CZ
06 / GUCKY, Tomas
78501 Mladejovice / CZ
07 / PLIHAL, Ondrej
78302 Olomouc / CZ
08 / POSPISIL, Tomas
77900 Olomouc / CZ
09 / STRNAD, Miroslav
77900 Olomouc / CZ
 [2023/20]
Representative(s)Harber IP s.r.o.
Dukelskych hrdinu 567/52
17000 Praha 7 / CZ
[2023/20]
Application number, filing date20743578.513.07.2020
[2023/20]
WO2020CZ50051
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2022012702
Date:20.01.2022
Language:EN
[2022/03]
Type: A1 Application with search report 
No.:EP4178959
Date:17.05.2023
Language:EN
The application published by WIPO in one of the EPO official languages on 20.01.2022 takes the place of the publication of the European patent application.
[2023/20]
Type: B1 Patent specification 
No.:EP4178959
Date:10.09.2025
Language:EN
[2025/37]
Search report(s)International search report - published on:EP20.01.2022
ClassificationIPC:C07D473/34, A61P35/00, A01N43/54
[2023/20]
CPC:
C07D473/34 (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 [2023/20]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:STICKSTOFFHETEROCYCLISCHE CYTOKININDERIVATE, DIESE ENTHALTENDE ZUSAMMENSETZUNGEN UND DEREN VERWENDUNG[2023/20]
English:NITROGEN HETEROCYCLIC CYTOKININ DERIVATIVES, COMPOSITIONS CONTAINING THESE DERIVATIVES AND USE THEREOF[2023/20]
French:DÉRIVÉS DE CYTOKININE HÉTÉROCYCLIQUES AZOTÉS, COMPOSITIONS CONTENANT CES DÉRIVÉS ET UTILISATION ASSOCIÉES[2023/20]
Entry into regional phase31.01.2023National basic fee paid 
31.01.2023Designation fee(s) paid 
31.01.2023Examination fee paid 
Examination procedure31.01.2023Examination requested  [2023/20]
31.01.2023Date on which the examining division has become responsible
21.08.2023Amendment by applicant (claims and/or description)
26.09.2024Despatch of a communication from the examining division (Time limit: M04)
28.12.2024Reply to a communication from the examining division
16.04.2025Communication of intention to grant the patent
01.08.2025Receipt of the translation of the claim(s)
04.08.2025Fee for grant paid
04.08.2025Fee for publishing/printing paid
Fees paidRenewal fee
31.01.2023Renewal fee patent year 03
26.07.2023Renewal fee patent year 04
29.07.2024Renewal fee patent year 05
28.07.2025Renewal fee patent year 06
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  TooltipBG10.09.2025
ES10.09.2025
FI10.09.2025
HR10.09.2025
LV10.09.2025
NL10.09.2025
PL10.09.2025
SE10.09.2025
NO10.12.2025
RS10.12.2025
GR11.12.2025
[2026/13]
Former [2026/11]BG10.09.2025
ES10.09.2025
FI10.09.2025
HR10.09.2025
LV10.09.2025
PL10.09.2025
SE10.09.2025
NO10.12.2025
RS10.12.2025
GR11.12.2025
Former [2026/10]BG10.09.2025
FI10.09.2025
HR10.09.2025
LV10.09.2025
PL10.09.2025
SE10.09.2025
NO10.12.2025
RS10.12.2025
GR11.12.2025
Former [2026/09]FI10.09.2025
HR10.09.2025
LV10.09.2025
SE10.09.2025
NO10.12.2025
GR11.12.2025
Former [2026/08]FI10.09.2025
HR10.09.2025
NO10.12.2025
Cited inInternational search[Y] WO2018196893  (UNIV PALACKEHO et al.)
 [Y] WO2017036434  (UNIV PALACKEHO et al.)
 [Y] WO2010130233  (UNIVERZITA PALACKEHO V OLOMOUC et al.)
 [Y] WO2016095881  (UNIV PALACKEHO et al.)
by applicantWO03040144
 WO2004058791
 WO2009003428
 WO2009043320
 WO2008008770
 WO2009086457
 WO9734485
   STRNAD, M., PHYSIOL. PLANT., vol. 101, 1997, pages 674
   WOJTANIAGABRYSZEWSKA, BIOTECHNOLOGIA, vol. 2, 2004, pages 162
   BAROJA-FERNANDEZ ET AL., PLANT. PHYSIOL. BIOCHEM., vol. 40, 2002, pages 217
   PEIXE ET AL., SCIENTIA HORTICULTURAE, vol. 113, 2007, pages 1
   WERBROUCK ET AL., PHYSIOL. PLANT., vol. 98, 1996, pages 291
   STACHE, H.: "McCutcheon's Detergents and Emulsifiers Annual", 1981, MC PUBLISHING CORP.
   M.J. ASH: "Encyclopedia of Surfactants", vol. 111, 1980, CHEMICAL PUBLISHING CO.
   SZUCOVA ET AL., BIOORG. MED. CHEM., vol. 17, 2009, pages 1938 - 1947
   LIU ET AL., CHEM. EUR. J., vol. 16, 2010, pages 7889 - 7897
   MITCHELL ET AL., J. CHEM. SOC., DALTON TRANS., vol. 8, 1973, pages 846 - 854
   AMES ET AL., MUTATION RESEARCH, vol. 31, 1975, pages 347 - 364
   MARON ET AL., MUTATION RESEARCH, vol. 113, 1983, pages 173 - 215
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.