Patent details

EP3725798 Title: BIOACTIVE CONJUGATE, PREPARATION METHOD THEREFOR AND USE THEREOF

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Basic Information

Publication number:
EP3725798
WO Application Number:
CN2018120125
Type:
European Patent Granted for NL
Status:
Patent in Force
Publication Title:
Title When Made Available For Viewing:
Reason Lapsed:
Application number:
EP18888623.8
WO Publication Number:
WO2019114666
EPO Publication Language:
English
SPC Number:
First Applicant Residence Country:
China (CN)
Publications:

Dates

Filing date:
10/12/2018
Grant date:
04/03/2026
EP Publication Date:
21/10/2020
WO Publication Date:
20/06/2019
Claims Translations Received Date:
Claims Translation B1 Received Date:
Claims Translation B2 Received Date:
Claims Translation B3 Received Date:
Lapsed By Non Payment Annual Fee Date:
Renunciation Date:
NullificationDate:
Published:
Due To Cession Date:
Registration date:
04/03/2026
EP B1 Publication Date:
04/03/2026
EP B2 Publication Date:
EP B3 Publication Date:
Description Translation B1 Received Date:
Description Translation B2 Received Date:
Description Translation B3 Received Date:
Expiration date:
09/12/2038
Lapsed By Expiration Date:
Revocation Date:
Invalidity Date:
Response To Novelty Search Report Received:
Patent Granting Request:
Lapsed date:

Applicant/holder

From:
04/03/2026
 
 

 

Name:
Sichuan Kelun-Biotech Biopharmaceutical Co., Ltd.
Address:
No.666, Xinhua Avenue (section 2) Hai Xia Industrial Park Wenjiang District, Chengdu, Sichuan 611138, China (CN)

Inventor

1

Name:
CAI, Jiaqiang
Address:
Sichuan 611138, China (CN)

2

Name:
SONG, Shuai
Address:
Sichuan 611138, China (CN)

3

Name:
XUE, Tongtong
Address:
Sichuan 611138, China (CN)

4

Name:
XIAO, Liang
Address:
Sichuan 611138, China (CN)

5

Name:
DENG, Hanwen
Address:
Sichuan 611138, China (CN)

6

Name:
TIAN, Qiang
Address:
Sichuan 611138, China (CN)

7

Name:
WANG, Jing
Address:
Sichuan 611138, China (CN)

8

Name:
LIU, Dengnian
Address:
Sichuan 611138, China (CN)

9

Name:
LIU, Liping
Address:
Sichuan 611138, China (CN)

10

Name:
YU, Haimin
Address:
Sichuan 611138, China (CN)

11

Name:
YANG, Zhouning
Address:
Sichuan 611138, China (CN)

12

Name:
CAO, Xu
Address:
Sichuan 611138, China (CN)

13

Name:
ZHONG, Guoqing
Address:
Sichuan 611138, China (CN)

14

Name:
WANG, Lichun
Address:
Sichuan 611138, China (CN)

15

Name:
WANG, Jingyi
Address:
Sichuan 611138, China (CN)

Priority

1

Priority Patent Number:
201811071947
Priority Date:
14/09/2018
Priority Country:
China (CN)

2

Priority Patent Number:
201810230346
Priority Date:
20/03/2018
Priority Country:
China (CN)

3

Priority Patent Number:
201711347535
Priority Date:
15/12/2017
Priority Country:
China (CN)

Classification

IPC or IDT classification:
C07K 7/02; C07K 5/062; C07D 491/22; A61K 31/506; A61K 45/00; A61P 35/00; A61K 47/68; C07K 16/30;

Publication

Bulletin

Bulletin Heading:
EP2
Journal edition number:
09/26
Publication date:
04/03/2026
Description:
European patents granted for the Netherlands

European Patent Bulletin

1

Issue number:
202614
Publication date:
01/04/2026
Description:
Application number/publication number of the divisional application (Art. 76) changed

2

Issue number:
202610
Publication date:
04/03/2026
Description:
Grant (B1)

Annual Fee

Annual Fee(s) Due Date:
31/12/2026
Annual Fee Number:
9
Annual Fee Amount:
340 Euro
Last Annual Payment Date:
Last Annual Fee Paid Number:
Payer:
Filing date Document type Document Description Number of pages File Type