Extract from the Register of European Patents

EP About this file: EP4291647

EP4291647 - SUBTILISIN VARIANTS AND THEIR USE [Right-click to bookmark this link]
StatusThe patent has been granted
Status updated on  16.05.2025
Database last updated on 07.04.2026
FormerGrant of patent is intended
Status updated on  21.01.2025
FormerRequest for examination was made
Status updated on  17.11.2023
FormerThe international publication has been made
Status updated on  19.08.2022
Formerunknown
Status updated on  28.02.2022
Most recent event   Tooltip30.01.2026Lapse of the patent in a contracting state
New state(s): PL, SK
published on 04.03.2026  [2026/10]
Applicant(s)For all designated states
Fresenius Kabi iPSUM S.r.l.
Via Roma, 108
20051 Cassina De Pecchi - Milano / IT
[2025/36]
Former [2023/51]For all designated states
Fresenius Kabi iPSUM S.r.l.
Via Roma, 108
20060 Cassina de' Pecchi - Milano / IT
Inventor(s)01 / NUIJENS, Timo
6167 RD Geleen / NL
02 / MATEMAN, Jurgen
6167 RD Geleen / NL
03 / DE VISSER, Rowin
6167 RD Geleen / NL
04 / CABRI, Walter
20060 Cassina de' Pecchi - MILANO / IT
05 / WALLRAVEN, Kerstin
6167 RD Geleen / NL
06 / WIJKER, Elvira
6167 RD Geleen / NL
07 / RICCI, Antonio
20060 Cassina de' Pecchi - MILANO / IT
08 / TOPLAK, Ana
6167 RD Geleen / NL
 [2023/51]
Representative(s)Fresenius Kabi Deutschland GmbH
Patent Department
Borkenberg 14
61440 Oberursel / DE
[2023/51]
Application number, filing date22704910.309.02.2022
[2023/51]
WO2022EP53121
Priority number, dateEP2021015698912.02.2021         Original published format: EP 21156989
EP2021017603926.05.2021         Original published format: EP 21176039
[2023/51]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2022171667
Date:18.08.2022
Language:EN
[2022/33]
Type: A1 Application with search report 
No.:EP4291647
Date:20.12.2023
Language:EN
The application published by WIPO in one of the EPO official languages on 18.08.2022 takes the place of the publication of the European patent application.
[2023/51]
Type: B1 Patent specification 
No.:EP4291647
Date:18.06.2025
Language:EN
[2025/25]
Search report(s)International search report - published on:EP18.08.2022
ClassificationIPC:C12N9/54
[2025/04]
CPC:
C12N9/54 (EP,KR,US); C12P21/02 (US); C07K1/10 (KR);
C12Y304/21062 (EP,KR,US)
Former IPC [2023/51]C12N9/54, C07K14/605, C07K14/585
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 [2023/51]  
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:SUBTILISINVARIANTEN UND IHRE VERWENDUNG[2025/04]
English:SUBTILISIN VARIANTS AND THEIR USE[2023/51]
French:VARIANTES DE SUBTILISINE ET LEURS UTILISATIONS[2025/04]
Former [2023/51]SUBTILISINVARIANTEN UND DEREN VERWENDUNG
Former [2023/51]VARIANTS DE SUBTILISINE ET LEUR UTILISATION
Entry into regional phase26.07.2023National basic fee paid 
26.07.2023Designation fee(s) paid 
26.07.2023Examination fee paid 
Examination procedure26.07.2023Examination requested  [2023/51]
26.07.2023Date on which the examining division has become responsible
18.03.2024Amendment by applicant (claims and/or description)
22.01.2025Communication of intention to grant the patent
13.05.2025Fee for grant paid
13.05.2025Fee for publishing/printing paid
13.05.2025Receipt of the translation of the claim(s)
Fees paidRenewal fee
15.02.2024Renewal fee patent year 03
25.02.2025Renewal fee patent year 04
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Lapses during opposition  TooltipHR18.06.2025
PL18.06.2025
SK18.06.2025
SM18.06.2025
NO18.09.2025
RS18.09.2025
GR19.09.2025
IS18.10.2025
[2026/10]
Former [2026/08]HR18.06.2025
SM18.06.2025
NO18.09.2025
RS18.09.2025
GR19.09.2025
IS18.10.2025
Former [2026/07]HR18.06.2025
NO18.09.2025
RS18.09.2025
GR19.09.2025
IS18.10.2025
Former [2025/48]HR18.06.2025
NO18.09.2025
RS18.09.2025
GR19.09.2025
Former [2025/47]NO18.09.2025
GR19.09.2025
Cited inInternational search[AD] WO2018212658  (ENZYPEP B V et al.)
 [AD] WO2019170918  (ENZYPEP B V et al.)
 [A] WO2010056640  (DANISCO US INC et al.)
 [A] WO0226956  (UNIV MARYLAND BIOTECH INST et al.)
 [A] WO9949057  (PROCTER & GAMBLE et al.)
 [A]   NUIJENS TIMO ET AL: "Natural Occurring and Engineered Enzymes for Peptide Ligation and Cyclization", vol. 7, 29 November 2019 (2019-11-29), XP055818355, Retrieved from the Internet DOI: 10.3389/fchem.2019.00829

DOI:   http://dx.doi.org/10.3389/fchem.2019.00829
by applicantUS5403737
 WO2016056913
 WO2018212658
 WO2019170895
 WO2019170918
 WO2016006913
   WELLS ET AL.: "introduced five additional mutations to subtiligase, i.e. M50F, N76D, N109S, K213R and N218S, to increase the enzyme's stability", PROC. NATL. ACAD. SCI. USA, vol. 91, 1994, pages 12544
   SILOTO ET AL.: "Site saturation mutagenesis: Methods and applications in protein engineering", BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY, vol. 1, 2012, pages 181 - 189, XP055412897, DOI: 10.1016/j.bcab.2012.03.010

DOI:   http://dx.doi.org/10.1016/j.bcab.2012.03.010
   NEEDLEMAN, S. B. AND WUNSCH, C. D., J. MOL. BIOL., vol. 48, no. 3, 1970, pages 443 - 453
   RICE, P.LONGDEN, I.BLEASBY, A.: "EMBOSS: The European Molecular Biology Open Software Suite", TRENDS IN GENETICS, vol. 16, no. 6, 2000, pages 276 - 277, XP004200114, DOI: 10.1016/S0168-9525(00)02024-2

DOI:   http://dx.doi.org/10.1016/S0168-9525(00)02024-2
   SMITHJOHNSON, GENE, vol. 67, 1988, pages 31 - 40
   GOOD, N.E. ET AL.: "Hydrogen Ion Buffers for Biological Research", BIOCHEMISTRY, vol. 5, no. 2, 1966, pages 467 - 477, XP000881106, DOI: 10.1021/bi00866a011

DOI:   http://dx.doi.org/10.1021/bi00866a011
   E.K. LEE, JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY, vol. 9, 2010, pages 11 - 18
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