Register information Unitary patent

EP file number: 23 20 2349.9 (Status: pending/in force, Query started: September 24, 2025)

Please note: This English version is a non-binding translation of the German register excerpt. Only the German version of the register excerpt is legally binding.

Master data
INID	Criterion	Field	Content
	Type of IP right	SART	Unitary patent
	Status	ST	Pending/in force
21	DE file number	DAKZ	60 2020 053 156.4
96	EP file number	EAKZ	23 20 2349.9
97	EP publication number	EPN	4316521
54	Designation/title	TI	PHARMAZEUTISCHES PRÄPARAT MIT ANTI-HER2-ANTIKÖRPER-WIRKSTOFFKONJUGAT
51	IPC main class	ICM (ICMV)	A61K 47/68 (2017.01)
51	IPC secondary class(es)	ICS (ICSV)	A61K 47/65 (2017.01), A61K 9/19 (2006.01), A61P 35/00 (2006.01), A61K 9/08 (2006.01), A61K 38/00 (2006.01), A61K 39/395 (2006.01), A61K 47/20 (2006.01)
22	DE application date	DAT	Mar 25, 2020
96	EP application date	EAT	Mar 25, 2020
43	Date of first publication	OT	Feb 7, 2024
	Date of publication of grant	PET	Jun 18, 2025
71/73	Applicant/owner	INH	RemeGen Co., Ltd., Shandong 264006, CN
72	Inventor	IN	LI, Zhuanglin, Shandong, 264006, CN; XU, Qiaoyu, Shandong, 264006, CN; YAO, Xuejing, Shandong, 264006, CN; BAO, Qianjing, Shandong, 264006, CN; FANG, Jianmin, Shandong, 264006, CN
74	Representative	VTR	J A Kemp LLP, London EC1M 5QU, GB
33 31 32	Foreign priority	PRC PRNA PRDA	CN 201910231203 Mar 26, 2019
	Patent division in charge		44
97	EP language of publication	ELANG	EN - Englisch
84	Designated EP contracting states	EDS	AL, 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
	Member states EPGÜ	EPGUE	AT, BE, BG, DE, DK, EE, FI, FR, IT, LT, LU, LV, MT, NL, PT, RO, SE, SI
	Published EP/WO documents	EPWOPN	Original document: EP000004316521A2 Searchable text: EP000004316521A2 Original document: EP000004316521B1 Searchable text: EP000004316521B1
43	Date of first publication	EVT	Feb 7, 2024
	Date of the first transfer into DPMAregister	EREGT	Feb 7, 2024
	Date of the (most recent) update in DPMAregister	REGT	Aug 28, 2025 (Show all update days)(Hide all update days) Aug 28, 2025 Procedures: EP procedure, EP patent – unitary effect effective, 18.06.2025: changed Procedures: EP procedure, EP patent – unitary effect registered, 14.07.2025: changed Jul 24, 2025 Type of IP right: changed Applicant/owner: changed Representative: new Address for service: deleted Due date: deleted Member states EPGÜ: new File number displayed in the result list: changed Procedures: EP procedure, EP patent – unitary effect registered, 14.07.2025: new Procedures: EP procedure, EP patent – unitary effect effective, 18.06.2025: new Procedures: EP procedure, EP patent – request for unitary effect, 08.07.2025: new Jul 10, 2025 Procedures: Publications, DPMA mention of EP grant, 10.07.2025: new May 31, 2025 Applicant/owner: new Address for service: new Due date: new May 29, 2025 DE file number : new DE application date: new Date of publication of grant: new Published EP/WO documents: changed File number displayed in the result list: changed Procedures: Procedure relating to EP application, EPO publication of mention of grant , 18.06.2025: new Oct 23, 2024 St.36: changed (technical change) Mar 21, 2024 Historical data not available for this/these date(s) Feb 7, 2024 Date of the first transfer into DPMAregister

Procedural data
No.	Kind of procedure	Legal status	Date of legal/procedural status	Publication date	Alle Details anzeigen
1	Procedure relating to EP application	EPO 1st publication	Feb 7, 2024		Details anzeigen
2	Change of classification	Change of IPC main class	Mar 7, 2024		Details anzeigen
3	Publications	Publication of a mention regarding EP 1st publication by DPMA	Mar 21, 2024	Mar 21, 2024	Details anzeigen
4	Procedure relating to EP application	EPO publication of mention regarding patent grant (beginning of opposition period)	Jun 18, 2025		Details anzeigen
5	EP procedure	European patent with unitary effect has become effective	Jun 18, 2025	Aug 28, 2025	Details anzeigen
6	EP procedure	Filing of request for unitary effect of European patent	Jul 8, 2025		Details anzeigen
7	Publications	Publication by DPMA of mention regarding EP patent grant	Jul 10, 2025	Jul 10, 2025	Details anzeigen
8	EP procedure	Registration of unitary effect of European patent	Jul 14, 2025	Aug 28, 2025	Details anzeigen

View procedures Procedure relating to EP application (No.: 1)
Criterion	Field	Content Close details
Type of procedure	VART	Procedure relating to EP application
Legal/procedural status	VST	EPO 1st publication
Date of legal/procedural status	VSTT	Feb 7, 2024
Date of update of the procedure	REGT	Feb 7, 2024

View procedures Change of classification (No.: 2)
INID	Criterion	Field	Content Close details
	Type of procedure	VART	Change of classification
	Legal/procedural status	VST	Change of IPC main class
	Date of legal/procedural status	VSTT	Mar 7, 2024
51	IPC main class	ICM (ICMV)	A61K 47/68 (2017.01)
51	Previous IPC main class	ICMF (ICMVF)	A61K 47/20 (2006.01)
	Date of update of the procedure	REGT	Mar 21, 2024

View procedures Publications (No.: 3)
Criterion	Field	Content Close details
Type of procedure	VART	Publications
Legal/procedural status	VST	Publication of a mention regarding EP 1st publication by DPMA
Date of legal/procedural status	VSTT	Mar 21, 2024
Issue number	HN	12
Year	PJ	2024
Publication date	VT	Mar 21, 2024
Type of publication	PART	Bibliographic data
Date of update of the procedure	REGT	Feb 7, 2024

View procedures Procedure relating to EP application (No.: 4)
Criterion	Field	Content Close details
Type of procedure	VART	Procedure relating to EP application
Legal/procedural status	VST	EPO publication of mention regarding patent grant (beginning of opposition period)
Date of legal/procedural status	VSTT	Jun 18, 2025
Date of update of the procedure	REGT	May 29, 2025

View procedures EP procedure (No.: 5)
Criterion	Field	Content Close details
Type of procedure	VART	Unitary effect procedure
Legal/procedural status	VST	European patent with unitary effect has become effective
Date of legal/procedural status	VSTT	Jun 18, 2025
Issue number	HN	35
Year	PJ	2025
Publication date	VT	Aug 28, 2025
Type of publication	PART	Bibliographic data
Part	HT	Part 5
Date of update of the procedure	REGT	Aug 28, 2025

View procedures EP procedure (No.: 6)
Criterion	Field	Content Close details
Type of procedure	VART	Unitary effect procedure
Legal/procedural status	VST	Filing of request for unitary effect of European patent
Date of legal/procedural status	VSTT	Jul 8, 2025
Date of update of the procedure	REGT	Jul 24, 2025

View procedures Publications (No.: 7)
Criterion	Field	Content Close details
Type of procedure	VART	Publications
Legal/procedural status	VST	Publication by DPMA of mention regarding EP patent grant
Date of legal/procedural status	VSTT	Jul 10, 2025
Issue number	HN	28
Year	PJ	2025
Publication date	VT	Jul 10, 2025
Type of publication	PART	Bibliographic data
Part	HT	Part 5
Date of update of the procedure	REGT	Jul 10, 2025

View procedures EP procedure (No.: 8)
Criterion	Field	Content Close details
Type of procedure	VART	Unitary effect procedure
Legal/procedural status	VST	Registration of unitary effect of European patent
Date of legal/procedural status	VSTT	Jul 14, 2025
Issue number	HN	35
Year	PJ	2025
Publication date	VT	Aug 28, 2025
Type of publication	PART	Bibliographic data
Part	HT	Part 5
Date of update of the procedure	REGT	Aug 28, 2025