Register information Patent

DE file number : 698 31 402.6 (Status: not pending/lapsed, Query started: June 13, 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	Patent
	Status	ST	Not pending/lapsed
21	DE file number	DAKZ	698 31 402.6
96	EP file number	EAKZ	98 91 0376.7
86	WO file number	WAKZ	PCT/US98/04966
97	EP publication number	EPN	973819
87	WO publication number	WPN	1998041562
54	Designation/title	TI	NICHT ANTIGEN WIRKENDE VERZWEIGTE POLYMERKONJUGATE
51	IPC main class	ICM (ICMV)	C08G 63/91 (2006.01)
51	IPC secondary class(es)	ICS (ICSV)	C08L 89/00 (2006.01), A61K 39/00 (2006.01), A61K 47/50 (2017.01)
22	DE application date	DAT	Mar 13, 1998
96	EP application date	EAT	Mar 13, 1998
86	WO application date	WAT	Mar 13, 1998
43	Date of first publication	OT	Sep 24, 1998
	Date of publication of grant	PET	Aug 31, 2005
71/73	Applicant/owner	INH	Enzon, Inc., Piscataway, N.J., US
72	Inventor	IN	GREENWALD B., Richard, Somerset, US; MARTINEZ J., Anthony, Hamilton Square, US
74	Representative	VTR	BARDEHLE PAGENBERG Partnerschaft mbB Patentanwälte, Rechtsanwälte, 81675 München, DE
10	Published DE documents	DEPN	Original document: DE000069831402T2 Searchable text: DE000069831402T2
	Address for service		BARDEHLE PAGENBERG Partnerschaft mbB Patentanwälte, Rechtsanwälte, 81633 München, DE
33 31 32	Foreign priority	PRC PRNA PRDA	US 821055 Mar 20, 1997
	Patent division in charge		44
97	EP language of publication	ELANG	EN - Englisch
87	WO language of publication	WLANG	EN - Englisch
84	Designated EP contracting states	EDS	AT, BE, CH, DE, DK, ES, FI, FR, GB, GR, IE, IT, LI, LU, MC, NL, PT, SE
81	Designated WO countries	WDS	LT, SI, AL, LV, MK, RO
	Published EP/WO documents	EPWOPN	Original document: EP000000973819 Searchable text: EP000000973819 Original document: EP000000973819B1 Searchable text: EP000000973819B1 Original document: WO001998041562 Searchable text: WO001998041562
43	Date of first publication	EVT	Sep 24, 1998
	Date of the first transfer into DPMAregister	EREGT	Sep 28, 2012
	Date of the (most recent) update in DPMAregister	REGT	Jan 7, 2024 (Show all update days)(Hide all update days) Jan 7, 2024; Oct 25, 2018; Mar 15, 2018; Apr 12, 2017; Apr 14, 2016; Apr 9, 2015; Apr 19, 2014; Apr 9, 2014; Apr 16, 2013; Apr 11, 2013; Jan 22, 2013 Historical data not available for this/these date(s) Sep 28, 2012 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 PCT application	WO first publication without search report	Sep 24, 1998		Details anzeigen
2	Procedure relating to EP application	EPO 1st publication	Jan 26, 2000		Details anzeigen
3	Procedure relating to EP application	EPO publication of search report	Jan 26, 2000		Details anzeigen
4	Publications	Publication of a mention regarding EP 1st publication by DPMA	Mar 2, 2000	Mar 2, 2000	Details anzeigen
5	Change of classification	Change of IPC main class	Jul 15, 2005		Details anzeigen
6	Procedure relating to EP application	EPO publication of mention regarding patent grant (beginning of opposition period)	Aug 31, 2005		Details anzeigen
7	Publications	Publication by DPMA of mention regarding EP patent grant	Oct 6, 2005	Oct 6, 2005	Details anzeigen
8	Change of classification	Change of IPC main class	Oct 17, 2005		Details anzeigen
9	Procedure relating to EP application	No opposition to patent grant filed, or opposition proceedings at EPO completed without decision	May 31, 2006	Sep 21, 2006	Details anzeigen
10	Publications	Translation of EP patent specification	Jun 29, 2006	Jun 29, 2006	Details anzeigen
11	Administrative procedure	IP right lapsed through expiry of term of protection	Mar 13, 2018		Details anzeigen

View procedures Procedure relating to PCT application (No.: 1)
Criterion	Field	Content Close details
Type of procedure	VART	Procedure relating to PCT application
Legal/procedural status	VST	WO first publication without search report
Date of legal/procedural status	VSTT	Sep 24, 1998

View procedures Procedure relating to EP application (No.: 2)
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	Jan 26, 2000

View procedures Procedure relating to EP application (No.: 3)
Criterion	Field	Content Close details
Type of procedure	VART	Procedure relating to EP application
Legal/procedural status	VST	EPO publication of search report
Date of legal/procedural status	VSTT	Jan 26, 2000

View procedures Publications (No.: 4)
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 2, 2000
Issue number	HN	9
Year	PJ	2000
Publication date	VT	Mar 2, 2000
Type of publication	PART	Bibliographic data

View procedures Change of classification (No.: 5)
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	Jul 15, 2005
51	IPC main class	ICM (ICMV)	C08G 63/91 (2000.01)
51	Previous IPC main class	ICMF (ICMVF)	C08G 63/91 (2000.01)

View procedures Procedure relating to EP application (No.: 6)
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	Aug 31, 2005

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	Oct 6, 2005
Issue number	HN	40
Year	PJ	2005
Publication date	VT	Oct 6, 2005
Type of publication	PART	Bibliographic data
Part	HT	Part 5

View procedures Change of classification (No.: 8)
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	Oct 17, 2005
51	IPC main class	ICM (ICMV)	C08G 63/91 (2006.01)
51	Previous IPC main class	ICMF (ICMVF)	C08G 63/91 (2000.01)

View procedures Procedure relating to EP application (No.: 9)
Criterion	Field	Content Close details
Type of procedure	VART	Procedure relating to EP application
Legal/procedural status	VST	No opposition to patent grant filed, or opposition proceedings at EPO completed without decision
Date of legal/procedural status	VSTT	May 31, 2006
Issue number	HN	38
Year	PJ	2006
Publication date	VT	Sep 21, 2006
Type of publication	PART	Bibliographic data
Part	HT	Part 3

View procedures Publications (No.: 10)
INID	Criterion	Field	Content Close details
	Type of procedure	VART	Publications
	Legal/procedural status	VST	Translation of EP patent specification
	Date of legal/procedural status	VSTT	Jun 29, 2006
	Issue number	HN	26
	Year	PJ	2006
	Publication date	VT	Jun 29, 2006
	Type of publication	PART	Documents
10	Published DE documents	DEPN	Original document: DE000069831402T2 Searchable text: DE000069831402T2

View procedures Administrative procedure (No.: 11)
Criterion	Field	Content Close details
Type of procedure	VART	Administrative procedure
Legal/procedural status	VST	IP right lapsed through expiry of term of protection
Date of legal/procedural status	VSTT	Mar 13, 2018