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Extract from the Register of European Patents

EP About this file: EP3923923

EP3923923 - COMPOSITIONS FOR REMOVING NECROTIC OR INFECTED TISSUES FROM BODY SURFACE LESIONS AND FROM ORAL CAVITY [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  11.04.2025
Database last updated on 11.04.2026
FormerThe patent has been granted
Status updated on  03.05.2024
FormerGrant of patent is intended
Status updated on  25.02.2024
FormerExamination is in progress
Status updated on  27.10.2023
FormerRequest for examination was made
Status updated on  19.11.2021
FormerThe international publication has been made
Status updated on  22.08.2020
Formerunknown
Status updated on  12.04.2019
Most recent event   Tooltip23.01.2026Lapse of the patent in a contracting state
New state(s): IE		published on 25.02.2026  [2026/09]
Applicant(s)For all designated states
DEBx Medical Holding B.V.
Barbara Strozzilaan 362
1083 HN Amsterdam / NL
[2024/25]
Former [2021/51]For all designated states
DEBx Medical Holding BV
Boompjes 40
3011 XB Rotterdam / NL
Inventor(s)01 / BIGNOZZI, Carlo Alberto
Via Valle Rillo 7
44124 Ferrara / IT
02 / COGO, Alberto
Via Albricci Alberico 4
36100 Vicenza / IT
03 / CARINCI, Francesco
Via Ariento 26
40124 Bologna / IT
 [2024/23]
Former [2021/51]01 / BIGNOZZI, Carlo Alberto
44124 Ferrara / IT
02 / COGO, Alberto
36100 Vicenza / IT
03 / CARINCI, Francesco
40124 Bologna / IT
Representative(s)Nederlandsch Octrooibureau
P.O. Box 29720
2502 LS The Hague / NL
[2021/51]
Application number, filing date19714781.213.02.2019
[2021/51]
WO2019IB51146
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2020165628
Date:20.08.2020
Language:EN
[2020/34]
Type: A1 Application with search report 
No.:EP3923923
Date:22.12.2021
Language:EN
The application published by WIPO in one of the EPO official languages on 20.08.2020 takes the place of the publication of the European patent application.
[2021/51]
Type: B1 Patent specification 
No.:EP3923923
Date:05.06.2024
Language:EN
[2024/23]
Type: B8 Corrected title page of specification 
No.:EP3923923
Date:03.07.2024
[2024/27]
Search report(s)International search report - published on:EP20.08.2020
ClassificationIPC:A61K31/185, A61K45/06, A61P1/02, A61P17/02, A61P31/00, A61P31/04, A61K47/00, A61K9/06, A61K9/08
[2024/12]
CPC:
A61K31/185 (EP,IL,KR,US); A61K31/10 (EP,IL,US); A61K31/191 (EP,IL,US);
A61K31/194 (EP,IL,US); A61K31/198 (EP,IL,US); A61K31/4184 (EP,IL,US);
A61K31/695 (IL,US); A61K31/77 (IL,US); A61K33/00 (IL,US);
A61K45/06 (EP,IL); A61K47/10 (EP,IL); A61K47/183 (IL,KR);
A61K47/20 (IL,KR); A61K47/22 (IL,KR); A61K9/0014 (IL,KR);
A61K9/006 (EP,IL,KR); A61K9/0063 (EP,IL,KR,US); A61K9/06 (EP,IL);
A61K9/08 (EP,IL); A61P1/02 (EP,IL,KR,US); A61P17/02 (EP,IL,KR,US);
A61P31/00 (EP,IL,KR); A61P31/04 (EP,IL,US) (-)
C-Set:
A61K31/10, A61K2300/00 (EP);
A61K31/185, A61K2300/00 (EP);
A61K31/191, A61K2300/00 (EP);
A61K31/194, A61K2300/00 (EP);
A61K31/198, A61K2300/00 (EP);
A61K31/4184, A61K2300/00 (EP)
(-)
Former IPC [2024/11]A61K31/185, A61P1/02, A61P17/02, A61P31/00, A61P31/04, A61K47/00, A61K9/06, A61K9/08
Former IPC [2021/51]A61K31/185, A61P1/02, A61P17/02, A61P31/00, A61P31/04, A61K47/00
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 [2021/51]
Extension statesBA09.09.2021
ME09.09.2021
Validation statesKH09.09.2021
MA09.09.2021
MD09.09.2021
TN09.09.2021
TitleGerman:ZUSAMMENSETZUNGEN ZUR ENTFERNUNG VON NEKROTISCHEN ODER INFIZIERTEN GEWEBEN AUS KÖRPEROBERFLÄCHENLÄSIONEN UND AUS DER MUNDHÖHLE[2021/51]
English:COMPOSITIONS FOR REMOVING NECROTIC OR INFECTED TISSUES FROM BODY SURFACE LESIONS AND FROM ORAL CAVITY[2021/51]
French:COMPOSITIONS POUR ÉLIMINER DES TISSUS NÉCROTIQUES OU INFECTÉS DE LÉSIONS DE SURFACE CORPORELLE ET DE CAVITÉ BUCCALE[2021/51]
Entry into regional phase09.09.2021National basic fee paid 
09.09.2021Designation fee(s) paid 
09.09.2021Examination fee paid 
Examination procedure09.09.2021Examination requested  [2021/51]
09.09.2021Date on which the examining division has become responsible
01.04.2022Amendment by applicant (claims and/or description)
26.10.2023Despatch of a communication from the examining division (Time limit: M02)
14.12.2023Reply to a communication from the examining division
26.02.2024Communication of intention to grant the patent
30.04.2024Fee for grant paid
30.04.2024Fee for publishing/printing paid
30.04.2024Receipt of the translation of the claim(s)
Divisional application(s)EP24172485.5  / EP4385496
Opposition(s)06.03.2025No opposition filed within time limit [2025/20]
Fees paidRenewal fee
09.09.2021Renewal fee patent year 03
27.01.2022Renewal fee patent year 04
31.01.2023Renewal fee patent year 05
22.02.2024Renewal fee patent year 06
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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  TooltipBG05.06.2024
HR05.06.2024
LV05.06.2024
MC05.06.2024
RO05.06.2024
SM05.06.2024
IS05.10.2024
IE13.02.2025
LU13.02.2025
[2026/09]
Former [2025/47]BG05.06.2024
HR05.06.2024
LV05.06.2024
MC05.06.2024
RO05.06.2024
SM05.06.2024
IS05.10.2024
LU13.02.2025
Former [2025/43]BG05.06.2024
HR05.06.2024
LV05.06.2024
MC05.06.2024
RO05.06.2024
SM05.06.2024
IS05.10.2024
Former [2025/10]BG05.06.2024
HR05.06.2024
LV05.06.2024
RO05.06.2024
SM05.06.2024
IS05.10.2024
Former [2025/09]BG05.06.2024
HR05.06.2024
LV05.06.2024
IS05.10.2024
Former [2024/49]BG05.06.2024
HR05.06.2024
LV05.06.2024
Former [2024/46]BG05.06.2024
HR05.06.2024
Cited inInternational search[I] US2016058718  (BASARA MICHAEL et al.) [I] 1-12 * paragraphs [0002] , [0136] , [0161] , [0166] - [0203]; claim - *
 [T]   ANONYMOUS: "Methanesulfonic acid - National Library of Medicine HSDB Database", 23 October 2019 (2019-10-23), XP055635439, Retrieved from the Internet [retrieved on 20191023] [T] * page 2 *
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.