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

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register Resource Book
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: EP4001268

EP4001268 - METHOD FOR SYNTHESIZING N-SUBSTITUTED PHENYL-5-HYDROXYMETHYL-2-OXAZOLIDINONE [Right-click to bookmark this link]
StatusThe patent has been granted
Status updated on  20.06.2024
Database last updated on 03.10.2024
FormerGrant of patent is intended
Status updated on  21.02.2024
FormerRequest for examination was made
Status updated on  22.04.2022
FormerThe international publication has been made
Status updated on  26.02.2021
Most recent event   Tooltip19.07.2024Change - representative 
Applicant(s)For all designated states
Hangzhou Dike Technologies Co., Ltd.
Room 1001, 1003, 1005, 1006, 1007, 1008, 1009, 1011 and 1013, Block F, Building 1 No.1378 Wenyi West Road Cangqian Street Yuhang District
Hangzhou, Zhejiang 311100 / CN
[2022/21]
Inventor(s)01 / YU, Dihu
Room 1001, 1003, 1005, 1006, 1007, 1008, 1009,
1011 and 1013, Block F, Building 1, No.1378 Wenyi
West Road, Cangqian Street, Yuhang District
Hangzhou, Zhejiang 311100 / CN
02 / WANG, Quan
Room 1001, 1003, 1005, 1006, 1007, 1008, 1009,
1011 and 1013, Block F, Building 1, No.1378 Wenyi
West Road, Cangqian Street, Yuhang District
Hangzhou, Zhejiang 311100 / CN
03 / BAO, Lei
Room 1001, 1003, 1005, 1006, 1007, 1008, 1009,
1011 and 1013, Block F, Building 1, No.1378 Wenyi
West Road, Cangqian Street, Yuhang District
Hangzhou, Zhejiang 311100 / CN
04 / HOU, Dapeng
Room 1001, 1003, 1005, 1006, 1007, 1008, 1009,
1011 and 1013, Block F, Building 1, No.1378 Wenyi
West Road, Cangqian Street, Yuhang District
Hangzhou, Zhejiang 311100 / CN
 [2022/21]
Representative(s)karo IP
Patentanwälte PartG mbB
Steinstraße 16-18
40212 Düsseldorf / DE
[N/P]
Former [2022/21]Kreuels, Justus
karo IP Patentanwälte
Kahlhöfer Rößler Kreuels PartG mbB
30 01 02
40416 Düsseldorf / DE
Application number, filing date20855573.010.02.2020
[2022/21]
WO2020CN74576
Priority number, dateCN20191077116720.08.2019         Original published format: CN201910771167
[2022/21]
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2021031533
Date:25.02.2021
Language:ZH
[2021/08]
Type: A1 Application with search report 
No.:EP4001268
Date:25.05.2022
Language:EN
[2022/21]
Type: B1 Patent specification 
No.:EP4001268
Date:24.07.2024
Language:EN
[2024/30]
Search report(s)International search report - published on:CN25.02.2021
(Supplementary) European search report - dispatched on:EP15.07.2022
ClassificationIPC:C07D263/24, C07D413/10
[2022/33]
CPC:
C07D263/24 (EP,CN,IL,US); C07D413/10 (EP,CN,IL)
Former IPC [2022/21]C07D263/24
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 [2022/21]  
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:VERFAHREN ZUR HERSTELLUNG VON N-SUBSTITUIERTEM PHENYL-5-HYDROXYMETHYL-2-OXAZOLIDINON[2022/21]
English:METHOD FOR SYNTHESIZING N-SUBSTITUTED PHENYL-5-HYDROXYMETHYL-2-OXAZOLIDINONE[2022/21]
French:PROCÉDÉ DE SYNTHÈSE DE PHÉNYLE-5-HYDROXYMÉTHYL-2-OXAZOLIDINONE N-SUBSTITUÉ[2022/21]
Entry into regional phase15.02.2022Translation filed 
15.02.2022National basic fee paid 
15.02.2022Search fee paid 
15.02.2022Designation fee(s) paid 
15.02.2022Examination fee paid 
Examination procedure15.02.2022Examination requested  [2022/21]
10.02.2023Amendment by applicant (claims and/or description)
10.02.2023Date on which the examining division has become responsible
22.02.2024Communication of intention to grant the patent
17.06.2024Fee for grant paid
17.06.2024Fee for publishing/printing paid
17.06.2024Receipt of the translation of the claim(s)
Fees paidRenewal fee
15.02.2022Renewal fee patent year 03
17.02.2023Renewal fee patent year 04
22.02.2024Renewal fee patent year 05
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.
Cited inInternational search[A]CN103391927  (LEE PHARMA LTD);
 [A]CN103570640  (UNIV EAST CHINA NORMAL);
 [A]CN105153059  (UNIV SOOCHOW);
by applicantWO9507271
 CN1772750
 WO2012114355
 WO2014045292
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.