Register information Patent

DE file number : 694 08 981.8 (Status: not pending/lapsed, Query started: October 31, 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	694 08 981.8
96	EP file number	EAKZ	94 91 6236.6
86	WO file number	WAKZ	PCT/EP94/01580
97	EP publication number	EPN	702555
87	WO publication number	WPN	1994028902
54	Designation/title	TI	PYRAZOLPYRIMIDINONE FÜR DIE BEHANDLUNG VON IMPOTENZ
51	IPC main class	ICM (ICMV)	A61K 31/505 (2006.01)
22	DE application date	DAT	May 13, 1994
96	EP application date	EAT	May 13, 1994
86	WO application date	WAT	May 13, 1994
43	Date of first publication	OT	Dec 22, 1994
	Date of publication of grant	PET	Mar 11, 1998
71/73	Applicant/owner	INH	Pfizer Ireland Pharmaceuticals, Dun Laoghaire, County Dublin, IE
72	Inventor	IN	ELLIS, Peter, Ramsgate Road Sandwich Kent CT13 9NJ, GB; TERRETT, Nicholas Kenneth, Sandwich Kent CT13 9NJ, GB
74	Representative	VTR	Lederer & Keller Patentanwälte Partnerschaft mbB, 80538 München, DE
10	Published DE documents	DEPN	Original document: DE000069408981T2 Searchable text: DE000069408981T2
	Address for service		Lederer & Keller Patentanwälte Partnerschaft mbB, 80538 München, DE
33 31 32	Foreign priority	PRC PRNA PRDA	GB 9311920 Jun 9, 1993
	Patent division in charge		44
97	EP language of publication	ELANG	EN - Englisch
84	Designated EP contracting states	EDS	AT, BE, CH, DE, DK, ES, FR, GB, GR, IE, IT, LI, LU, NL, PT, SE
	Published EP/WO documents	EPWOPN	Original document: EP000000702555 Searchable text: EP000000702555 Original document: EP000000702555B1 Searchable text: EP000000702555B1 Original document: WO001994028902 Searchable text: WO001994028902
43	Date of first publication	EVT	Dec 22, 1994
	Date of the first transfer into DPMAregister	EREGT	Sep 27, 2012
	Date of the (most recent) update in DPMAregister	REGT	Apr 30, 2022 (Show all update days)(Hide all update days) Apr 30, 2022; Oct 25, 2018; Mar 20, 2015; Jan 20, 2013 Historical data not available for this/these date(s) Sep 27, 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	Dec 22, 1994		Details anzeigen
2	Procedure relating to EP application	EPO 1st publication	Mar 27, 1996		Details anzeigen
3	Procedure relating to EP application	EPO publication of search report	Mar 27, 1996		Details anzeigen
4	Publications	Publication of a mention regarding EP 1st publication by DPMA	May 2, 1996	May 2, 1996	Details anzeigen
5	Procedure relating to EP application	EPO publication of mention regarding patent grant (beginning of opposition period)	Mar 11, 1998		Details anzeigen
6	Publications	Publication by DPMA of mention regarding EP patent grant	Apr 16, 1998	Apr 16, 1998	Details anzeigen
7	Publications	Translation of EP patent specification	Jul 2, 1998	Jul 2, 1998	Details anzeigen
8	Opposition procedure	Opposition to patent filed	Jul 30, 1998	Oct 29, 1998	Details anzeigen
9	Change of classification	Change of IPC main class	Oct 9, 1999		Details anzeigen
10	New applicant/owner details	New applicant/owner details	May 17, 2004	Jul 22, 2004	Details anzeigen
11	Opposition procedure	Revocation of patent by EPO	Feb 1, 2005		Details anzeigen
12	Opposition procedure	Decision on revocation by EPO has become final	Feb 1, 2005	Dec 29, 2005	Details anzeigen
13	New applicant/owner details	New applicant/owner details	Mar 14, 2005	May 19, 2005	Details anzeigen
14	Change of classification	Change of IPC main class	Oct 17, 2005		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	Dec 22, 1994

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	Mar 27, 1996

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	Mar 27, 1996

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	May 2, 1996
Issue number	HN	18
Year	PJ	1996
Publication date	VT	May 2, 1996
Type of publication	PART	Bibliographic data

View procedures Procedure relating to EP application (No.: 5)
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	Mar 11, 1998

View procedures Publications (No.: 6)
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	Apr 16, 1998
Issue number	HN	16
Year	PJ	1998
Publication date	VT	Apr 16, 1998
Type of publication	PART	Bibliographic data
Part	HT	Part 5

View procedures Publications (No.: 7)
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	Jul 2, 1998
	Issue number	HN	27
	Year	PJ	1998
	Publication date	VT	Jul 2, 1998
	Type of publication	PART	Documents
10	Published DE documents	DEPN	Original document: DE000069408981T2 Searchable text: DE000069408981T2

View procedures Opposition procedure (No.: 8)
Criterion	Field	Content Close details
Type of procedure	VART	Opposition procedure
Legal/procedural status	VST	Opposition to patent filed
Date of legal/procedural status	VSTT	Jul 30, 1998
Issue number	HN	44
Year	PJ	1998
Publication date	VT	Oct 29, 1998
Type of publication	PART	Bibliographic data
Part	HT	Part 3

View procedures Change of classification (No.: 9)
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 9, 1999
51	IPC main class	ICM (ICMV)	A61K 31/505 (2000.01)
51	Previous IPC main class	ICMF (ICMVF)	A61K 31/505 (1995.01)

View procedures New applicant/owner details (No.: 10)
INID	Criterion	Field	Content Close details
	Type of procedure	VART	New applicant/owner details
	Legal/procedural status	VST	New applicant/owner details
	Date of legal/procedural status	VSTT	May 17, 2004
	Issue number	HN	30
	Year	PJ	2004
	Publication date	VT	Jul 22, 2004
	Type of publication	PART	Bibliographic data
	Part	HT	Part 3
71/73	Applicant/owner	INH	Pfizer Ireland Pharmaceuticals, Dun Laoghaire, IE
71/73	Previous applicant/owner	INHF	Pfizer Research and Development Co., N.V./S.A., Dublin, IE

View procedures Opposition procedure (No.: 11)
Criterion	Field	Content Close details
Type of procedure	VART	Opposition procedure
Legal/procedural status	VST	Revocation of patent by EPO
Date of legal/procedural status	VSTT	Feb 1, 2005
Date of update of the procedure	REGT	Apr 30, 2022

View procedures Opposition procedure (No.: 12)
Criterion	Field	Content Close details
Type of procedure	VART	Opposition procedure
Legal/procedural status	VST	Decision on revocation by EPO has become final
Date of legal/procedural status	VSTT	Feb 1, 2005
Issue number	HN	52
Year	PJ	2005
Publication date	VT	Dec 29, 2005
Type of publication	PART	Bibliographic data
Part	HT	Part 3
Date of update of the procedure	REGT	Apr 30, 2022

View procedures New applicant/owner details (No.: 13)
INID	Criterion	Field	Content Close details
	Type of procedure	VART	New applicant/owner details
	Legal/procedural status	VST	New applicant/owner details
	Date of legal/procedural status	VSTT	Mar 14, 2005
	Issue number	HN	20
	Year	PJ	2005
	Publication date	VT	May 19, 2005
	Type of publication	PART	Bibliographic data
	Part	HT	Part 3
71/73	Applicant/owner	INH	Pfizer Ireland Pharmaceuticals, Dun Laoghaire, County Dublin, IE
71/73	Previous applicant/owner	INHF	Pfizer Ireland Pharmaceuticals, Dun Laoghaire, IE

View procedures Change of classification (No.: 14)
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)	A61K 31/505 (2006.01)
51	Previous IPC main class	ICMF (ICMVF)	A61K 31/505 (2000.01)