Register information Unitary patent

EP file number: 20 85 5849.4 (Status: pending/in force, Query started: July 16, 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 026 200.8
96	EP file number	EAKZ	20 85 5849.4
86	WO file number	WAKZ	PCT/JP2020/001840
97	EP publication number	EPN	3882617
87	WO publication number	WPN	2021149134
54	Designation/title	TI	ELEKTROCHEMISCHER SAUERSTOFFSENSOR
51	IPC main class	ICM (ICMV)	G01N 27/404 (2006.01)
22	DE application date	DAT	Jan 21, 2020
96	EP application date	EAT	Jan 21, 2020
86	WO application date	WAT	Jan 21, 2020
43	Date of first publication	OT	Jul 29, 2021
	Date of publication of grant	PET	Feb 21, 2024
71/73	Applicant/owner	INH	Maxell, Ltd., Kyoto 618-8525, JP
72	Inventor	IN	KITAZAWA, Naohisa, Otokuni-gun, Kyoto 618-8525, JP
74	Representative	VTR	Diehl & Partner, 80636 München, DE
	Patent division in charge		58
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, SE, SI
	Published EP/WO documents	EPWOPN	Original document: EP000003882617A1 Searchable text: EP000003882617A1 Original document: EP000003882617B1 Searchable text: EP000003882617B1 Original document: WO002021149134 Searchable text: WO002021149134
43	Date of first publication	EVT	Jul 29, 2021
	Date of the first transfer into DPMAregister	EREGT	Sep 22, 2021
	Date of the (most recent) update in DPMAregister	REGT	Jun 6, 2025 (Show all update days)(Hide all update days) Jun 6, 2025 Type of IP right: changed File number displayed in the result list: changed Procedures: Procedure relating to EP application, EPO publication of mention of grant , 21.02.2024: new Procedures: Procedure relating to EP application, EPO publication of mention of grant , 21.02.2024: deleted Feb 13, 2025 Procedures: Procedure relating to EP application, Grant has become final, 22.11.2024: changed Jan 8, 2025 Procedures: Procedure relating to EP application, Grant has become final, 22.11.2024: new Jul 18, 2024 St.36: changed (technical change) Apr 25, 2024; Mar 21, 2024; Mar 14, 2024; Mar 7, 2024; Feb 1, 2024; Mar 30, 2023 Historical data not available for this/these date(s) Sep 22, 2021 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 publication	Jul 29, 2021		Details anzeigen
2	Procedure relating to EP application	EPO 1st publication	Sep 22, 2021		Details anzeigen
3	Publications	Publication of a mention regarding EP 1st publication by DPMA	Nov 4, 2021	Nov 4, 2021	Details anzeigen
4	Change of classification	Change of IPC main class	Nov 26, 2021		Details anzeigen
5	Procedure relating to EP application	EPO publication of mention regarding patent grant (beginning of opposition period)	Feb 21, 2024		Details anzeigen
6	EP procedure	European patent with unitary effect has become effective	Feb 21, 2024	Apr 25, 2024	Details anzeigen
7	EP procedure	Filing of request for unitary effect of European patent	Feb 28, 2024		Details anzeigen
8	EP procedure	Registration of unitary effect of European patent	Mar 6, 2024	Apr 25, 2024	Details anzeigen
9	Publications	Publication by DPMA of mention regarding EP patent grant	Mar 7, 2024	Mar 7, 2024	Details anzeigen
10	Procedure relating to EP application	No opposition to patent grant filed, or opposition proceedings at EPO completed without decision	Nov 22, 2024	Feb 13, 2025	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 publication
Date of legal/procedural status	VSTT	Jul 29, 2021
Date of update of the procedure	REGT	Sep 22, 2021

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	Sep 22, 2021
Date of update of the procedure	REGT	Sep 22, 2021

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	Nov 4, 2021
Issue number	HN	44
Year	PJ	2021
Publication date	VT	Nov 4, 2021
Type of publication	PART	Bibliographic data
Date of update of the procedure	REGT	Sep 22, 2021

View procedures Change of classification (No.: 4)
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	Nov 26, 2021
51	IPC main class	ICM (ICMV)	G01N 27/404 (2006.01)
51	Previous IPC main class	ICMF (ICMVF)	G01N 27/404 (2006.01)
	Date of update of the procedure	REGT	Mar 30, 2023

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	Feb 21, 2024
Date of update of the procedure	REGT	Jun 6, 2025

View procedures EP procedure (No.: 6)
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	Feb 21, 2024
Issue number	HN	17
Year	PJ	2024
Publication date	VT	Apr 25, 2024
Type of publication	PART	Bibliographic data
Part	HT	Part 5
Date of update of the procedure	REGT	Apr 25, 2024

View procedures EP procedure (No.: 7)
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	Feb 28, 2024
Date of update of the procedure	REGT	Mar 14, 2024

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	Mar 6, 2024
Issue number	HN	17
Year	PJ	2024
Publication date	VT	Apr 25, 2024
Type of publication	PART	Bibliographic data
Part	HT	Part 5
Date of update of the procedure	REGT	Apr 25, 2024

View procedures Publications (No.: 9)
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	Mar 7, 2024
Issue number	HN	10
Year	PJ	2024
Publication date	VT	Mar 7, 2024
Type of publication	PART	Bibliographic data
Part	HT	Part 5
Date of update of the procedure	REGT	Mar 7, 2024

View procedures Procedure relating to EP application (No.: 10)
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	Nov 22, 2024
Issue number	HN	7
Year	PJ	2025
Publication date	VT	Feb 13, 2025
Type of publication	PART	Bibliographic data
Part	HT	Part 3
Date of update of the procedure	REGT	Feb 13, 2025